feat: run sub recipe multiple times in parallel (Experimental feature) (#3274)

Co-authored-by: Wendy Tang <wendytang@squareup.com>

.gitignore

@@ -31,6 +31,9 @@ ui/desktop/src/bin/goose_llm.dll
 # Hermit
 .hermit/
 
+# Claude
+.claude
+
 debug_*.txt
 
 # Docs

crates/goose-cli/src/recipes/extract_from_cli.rs

@@ -32,6 +32,7 @@ pub fn extract_recipe_info_from_cli(
                         path: recipe_file_path.to_string_lossy().to_string(),
                         name,
                         values: None,
+                        sequential_when_repeated: true,
                     };
                     all_sub_recipes.push(additional_sub_recipe);
                 }

crates/goose-cli/src/session/mod.rs

@@ -4,8 +4,11 @@ mod export;
 mod input;
 mod output;
 mod prompt;
+mod task_execution_display;
 mod thinking;
 
+use crate::session::task_execution_display::TASK_EXECUTION_NOTIFICATION_TYPE;
+
 pub use self::export::message_to_markdown;
 pub use builder::{build_session, SessionBuilderConfig, SessionSettings};
 use console::Color;
@@ -17,6 +20,8 @@ use goose::permission::PermissionConfirmation;
 use goose::providers::base::Provider;
 pub use goose::session::Identifier;
 use goose::utils::safe_truncate;
+use std::io::Write;
+use task_execution_display::format_task_execution_notification;
 
 use anyhow::{Context, Result};
 use completion::GooseCompleter;
@@ -1008,7 +1013,7 @@ impl Session {
                                 match method.as_str() {
                                     "notifications/message" => {
                                         let data = o.get("data").unwrap_or(&Value::Null);
-                                        let (formatted_message, subagent_id, _notification_type) = match data {
+                                        let (formatted_message, subagent_id, message_notification_type) = match data {
                                             Value::String(s) => (s.clone(), None, None),
                                             Value::Object(o) => {
                                                 // Check for subagent notification structure first
@@ -1059,6 +1064,8 @@ impl Session {
                                                 } else if let Some(Value::String(output)) = o.get("output") {
                                                     // Fallback for other MCP notification types
                                                     (output.to_owned(), None, None)
+                                                } else if let Some(result) = format_task_execution_notification(data) {
+                                                    result
                                                 } else {
                                                     (data.to_string(), None, None)
                                                 }
@@ -1077,7 +1084,19 @@ impl Session {
                                             } else {
                                                 progress_bars.log(&formatted_message);
                                             }
+                                        } else if let Some(ref notification_type) = message_notification_type {
+                                            if notification_type == TASK_EXECUTION_NOTIFICATION_TYPE {
+                                                if interactive {
+                                                    let _ = progress_bars.hide();
+                                                    print!("{}", formatted_message);
+                                                    std::io::stdout().flush().unwrap();
                                                 } else {
+                                                    print!("{}", formatted_message);
+                                                    std::io::stdout().flush().unwrap();
+                                                }
+                                            }
+                                        }
+                                        else {
                                             // Non-subagent notification, display immediately with compact spacing
                                             if interactive {
                                                 let _ = progress_bars.hide();

crates/goose-cli/src/session/task_execution_display/mod.rs

@@ -0,0 +1,247 @@
+use goose::agents::sub_recipe_execution_tool::lib::TaskStatus;
+use goose::agents::sub_recipe_execution_tool::notification_events::{
+    TaskExecutionNotificationEvent, TaskInfo,
+};
+use serde_json::Value;
+use std::sync::atomic::{AtomicBool, Ordering};
+
+#[cfg(test)]
+mod tests;
+
+const CLEAR_SCREEN: &str = "\x1b[2J\x1b[H";
+const MOVE_TO_PROGRESS_LINE: &str = "\x1b[4;1H";
+const CLEAR_TO_EOL: &str = "\x1b[K";
+const CLEAR_BELOW: &str = "\x1b[J";
+pub const TASK_EXECUTION_NOTIFICATION_TYPE: &str = "task_execution";
+
+static INITIAL_SHOWN: AtomicBool = AtomicBool::new(false);
+
+fn format_result_data_for_display(result_data: &Value) -> String {
+    match result_data {
+        Value::String(s) => strip_ansi_codes(s),
+        Value::Object(obj) => {
+            if let Some(partial_output) = obj.get("partial_output").and_then(|v| v.as_str()) {
+                format!("Partial output: {}", partial_output)
+            } else {
+                serde_json::to_string_pretty(obj).unwrap_or_default()
+            }
+        }
+        Value::Array(arr) => serde_json::to_string_pretty(arr).unwrap_or_default(),
+        Value::Bool(b) => b.to_string(),
+        Value::Number(n) => n.to_string(),
+        Value::Null => "null".to_string(),
+    }
+}
+
+fn process_output_for_display(output: &str) -> String {
+    const MAX_OUTPUT_LINES: usize = 2;
+    const OUTPUT_PREVIEW_LENGTH: usize = 100;
+
+    let lines: Vec<&str> = output.lines().collect();
+    let recent_lines = if lines.len() > MAX_OUTPUT_LINES {
+        &lines[lines.len() - MAX_OUTPUT_LINES..]
+    } else {
+        &lines
+    };
+
+    let clean_output = recent_lines.join(" ... ");
+    let stripped = strip_ansi_codes(&clean_output);
+    truncate_with_ellipsis(&stripped, OUTPUT_PREVIEW_LENGTH)
+}
+
+fn truncate_with_ellipsis(text: &str, max_len: usize) -> String {
+    if text.len() > max_len {
+        let mut end = max_len.saturating_sub(3);
+        while end > 0 && !text.is_char_boundary(end) {
+            end -= 1;
+        }
+        format!("{}...", &text[..end])
+    } else {
+        text.to_string()
+    }
+}
+
+fn strip_ansi_codes(text: &str) -> String {
+    let mut result = String::new();
+    let mut chars = text.chars();
+
+    while let Some(ch) = chars.next() {
+        if ch == '\x1b' {
+            if let Some(next_ch) = chars.next() {
+                if next_ch == '[' {
+                    // This is an ANSI escape sequence, consume until alphabetic character
+                    loop {
+                        match chars.next() {
+                            Some(c) if c.is_ascii_alphabetic() => break,
+                            Some(_) => continue,
+                            None => break,
+                        }
+                    }
+                } else {
+                    // Not an ANSI sequence, keep both characters
+                    result.push(ch);
+                    result.push(next_ch);
+                }
+            } else {
+                // End of string after \x1b
+                result.push(ch);
+            }
+        } else {
+            result.push(ch);
+        }
+    }
+
+    result
+}
+
+pub fn format_task_execution_notification(
+    data: &Value,
+) -> Option<(String, Option<String>, Option<String>)> {
+    if let Ok(event) = serde_json::from_value::<TaskExecutionNotificationEvent>(data.clone()) {
+        return Some(match event {
+            TaskExecutionNotificationEvent::LineOutput { output, .. } => (
+                format!("{}\n", output),
+                None,
+                Some(TASK_EXECUTION_NOTIFICATION_TYPE.to_string()),
+            ),
+            TaskExecutionNotificationEvent::TasksUpdate { .. } => {
+                let formatted_display = format_tasks_update_from_event(&event);
+                (
+                    formatted_display,
+                    None,
+                    Some(TASK_EXECUTION_NOTIFICATION_TYPE.to_string()),
+                )
+            }
+            TaskExecutionNotificationEvent::TasksComplete { .. } => {
+                let formatted_summary = format_tasks_complete_from_event(&event);
+                (
+                    formatted_summary,
+                    None,
+                    Some(TASK_EXECUTION_NOTIFICATION_TYPE.to_string()),
+                )
+            }
+        });
+    }
+    None
+}
+
+fn format_tasks_update_from_event(event: &TaskExecutionNotificationEvent) -> String {
+    if let TaskExecutionNotificationEvent::TasksUpdate { stats, tasks } = event {
+        let mut display = String::new();
+
+        if !INITIAL_SHOWN.swap(true, Ordering::SeqCst) {
+            display.push_str(CLEAR_SCREEN);
+            display.push_str("🎯 Task Execution Dashboard\n");
+            display.push_str("═══════════════════════════\n\n");
+        } else {
+            display.push_str(MOVE_TO_PROGRESS_LINE);
+        }
+
+        display.push_str(&format!(
+            "📊 Progress: {} total | ⏳ {} pending | 🏃 {} running | ✅ {} completed | ❌ {} failed", 
+            stats.total, stats.pending, stats.running, stats.completed, stats.failed
+        ));
+        display.push_str(&format!("{}\n\n", CLEAR_TO_EOL));
+
+        let mut sorted_tasks = tasks.clone();
+        sorted_tasks.sort_by(|a, b| a.id.cmp(&b.id));
+
+        for task in sorted_tasks {
+            display.push_str(&format_task_display(&task));
+        }
+
+        display.push_str(CLEAR_BELOW);
+        display
+    } else {
+        String::new()
+    }
+}
+
+fn format_tasks_complete_from_event(event: &TaskExecutionNotificationEvent) -> String {
+    if let TaskExecutionNotificationEvent::TasksComplete {
+        stats,
+        failed_tasks,
+    } = event
+    {
+        let mut summary = String::new();
+        summary.push_str("Execution Complete!\n");
+        summary.push_str("═══════════════════════\n");
+
+        summary.push_str(&format!("Total Tasks: {}\n", stats.total));
+        summary.push_str(&format!("✅ Completed: {}\n", stats.completed));
+        summary.push_str(&format!("❌ Failed: {}\n", stats.failed));
+        summary.push_str(&format!("📈 Success Rate: {:.1}%\n", stats.success_rate));
+
+        if !failed_tasks.is_empty() {
+            summary.push_str("\n❌ Failed Tasks:\n");
+            for task in failed_tasks {
+                summary.push_str(&format!("   • {}\n", task.name));
+                if let Some(error) = &task.error {
+                    summary.push_str(&format!("     Error: {}\n", error));
+                }
+            }
+        }
+
+        summary.push_str("\n📝 Generating summary...\n");
+        summary
+    } else {
+        String::new()
+    }
+}
+
+fn format_task_display(task: &TaskInfo) -> String {
+    let mut task_display = String::new();
+
+    let status_icon = match task.status {
+        TaskStatus::Pending => "⏳",
+        TaskStatus::Running => "🏃",
+        TaskStatus::Completed => "✅",
+        TaskStatus::Failed => "❌",
+    };
+
+    task_display.push_str(&format!(
+        "{} {} ({}){}\n",
+        status_icon, task.task_name, task.task_type, CLEAR_TO_EOL
+    ));
+
+    if !task.task_metadata.is_empty() {
+        task_display.push_str(&format!(
+            "   📋 Parameters: {}{}\n",
+            task.task_metadata, CLEAR_TO_EOL
+        ));
+    }
+
+    if let Some(duration_secs) = task.duration_secs {
+        task_display.push_str(&format!("   ⏱️  {:.1}s{}\n", duration_secs, CLEAR_TO_EOL));
+    }
+
+    if matches!(task.status, TaskStatus::Running) && !task.current_output.trim().is_empty() {
+        let processed_output = process_output_for_display(&task.current_output);
+        if !processed_output.is_empty() {
+            task_display.push_str(&format!("   💬 {}{}\n", processed_output, CLEAR_TO_EOL));
+        }
+    }
+
+    if matches!(task.status, TaskStatus::Completed) {
+        if let Some(result_data) = &task.result_data {
+            let result_preview = format_result_data_for_display(result_data);
+            if !result_preview.is_empty() {
+                task_display.push_str(&format!("   📄 {}{}\n", result_preview, CLEAR_TO_EOL));
+            }
+        }
+    }
+
+    if matches!(task.status, TaskStatus::Failed) {
+        if let Some(error) = &task.error {
+            let error_preview = truncate_with_ellipsis(error, 80);
+            task_display.push_str(&format!(
+                "   ⚠️  {}{}\n",
+                error_preview.replace('\n', " "),
+                CLEAR_TO_EOL
+            ));
+        }
+    }
+
+    task_display.push_str(&format!("{}\n", CLEAR_TO_EOL));
+    task_display
+}

crates/goose-cli/src/session/task_execution_display/tests.rs

@@ -0,0 +1,337 @@
+use super::*;
+use goose::agents::sub_recipe_execution_tool::notification_events::{
+    FailedTaskInfo, TaskCompletionStats, TaskExecutionStats,
+};
+use serde_json::json;
+
+#[test]
+fn test_strip_ansi_codes() {
+    assert_eq!(strip_ansi_codes("hello world"), "hello world");
+    assert_eq!(strip_ansi_codes("\x1b[31mred text\x1b[0m"), "red text");
+    assert_eq!(
+        strip_ansi_codes("\x1b[1;32mbold green\x1b[0m"),
+        "bold green"
+    );
+    assert_eq!(
+        strip_ansi_codes("normal\x1b[33myellow\x1b[0mnormal"),
+        "normalyellownormal"
+    );
+    assert_eq!(strip_ansi_codes("\x1bhello"), "\x1bhello");
+    assert_eq!(strip_ansi_codes("hello\x1b"), "hello\x1b");
+    assert_eq!(strip_ansi_codes(""), "");
+}
+
+#[test]
+fn test_truncate_with_ellipsis() {
+    assert_eq!(truncate_with_ellipsis("hello", 10), "hello");
+    assert_eq!(truncate_with_ellipsis("hello", 5), "hello");
+    assert_eq!(truncate_with_ellipsis("hello world", 8), "hello...");
+    assert_eq!(truncate_with_ellipsis("hello", 3), "...");
+    assert_eq!(truncate_with_ellipsis("hello", 2), "...");
+    assert_eq!(truncate_with_ellipsis("hello", 1), "...");
+    assert_eq!(truncate_with_ellipsis("", 5), "");
+}
+
+#[test]
+fn test_process_output_for_display() {
+    assert_eq!(process_output_for_display("hello world"), "hello world");
+    assert_eq!(
+        process_output_for_display("line1\nline2"),
+        "line1 ... line2"
+    );
+
+    let input = "line1\nline2\nline3\nline4";
+    let result = process_output_for_display(input);
+    assert_eq!(result, "line3 ... line4");
+
+    let long_line = "a".repeat(150);
+    let result = process_output_for_display(&long_line);
+    assert!(result.len() <= 100);
+    assert!(result.ends_with("..."));
+
+    let ansi_output = "\x1b[31mred line 1\x1b[0m\n\x1b[32mgreen line 2\x1b[0m";
+    let result = process_output_for_display(ansi_output);
+    assert_eq!(result, "red line 1 ... green line 2");
+
+    assert_eq!(process_output_for_display(""), "");
+}
+
+#[test]
+fn test_format_result_data_for_display() {
+    let string_val = json!("hello world");
+    assert_eq!(format_result_data_for_display(&string_val), "hello world");
+
+    let ansi_string = json!("\x1b[31mred text\x1b[0m");
+    assert_eq!(format_result_data_for_display(&ansi_string), "red text");
+
+    assert_eq!(format_result_data_for_display(&json!(true)), "true");
+    assert_eq!(format_result_data_for_display(&json!(false)), "false");
+    assert_eq!(format_result_data_for_display(&json!(42)), "42");
+    assert_eq!(format_result_data_for_display(&json!(3.14)), "3.14");
+    assert_eq!(format_result_data_for_display(&json!(null)), "null");
+
+    let partial_obj = json!({
+        "partial_output": "some output",
+        "other_field": "ignored"
+    });
+    assert_eq!(
+        format_result_data_for_display(&partial_obj),
+        "Partial output: some output"
+    );
+
+    let obj = json!({"key": "value", "num": 42});
+    let result = format_result_data_for_display(&obj);
+    assert!(result.contains("key"));
+    assert!(result.contains("value"));
+
+    let arr = json!([1, 2, 3]);
+    let result = format_result_data_for_display(&arr);
+    assert!(result.contains("1"));
+    assert!(result.contains("2"));
+    assert!(result.contains("3"));
+}
+
+#[test]
+fn test_format_task_execution_notification_line_output() {
+    let _event = TaskExecutionNotificationEvent::LineOutput {
+        task_id: "task-1".to_string(),
+        output: "Hello World".to_string(),
+    };
+
+    let data = json!({
+        "subtype": "line_output",
+        "task_id": "task-1",
+        "output": "Hello World"
+    });
+
+    let result = format_task_execution_notification(&data);
+    assert!(result.is_some());
+
+    let (formatted, second, third) = result.unwrap();
+    assert_eq!(formatted, "Hello World\n");
+    assert_eq!(second, None);
+    assert_eq!(third, Some("task_execution".to_string()));
+}
+
+#[test]
+fn test_format_task_execution_notification_invalid_data() {
+    let invalid_data = json!({
+        "invalid": "structure"
+    });
+
+    let result = format_task_execution_notification(&invalid_data);
+    assert_eq!(result, None);
+
+    let incomplete_data = json!({
+        "subtype": "line_output"
+    });
+
+    let result = format_task_execution_notification(&incomplete_data);
+    assert_eq!(result, None);
+}
+
+#[test]
+fn test_format_tasks_update_from_event() {
+    INITIAL_SHOWN.store(false, Ordering::SeqCst);
+
+    let stats = TaskExecutionStats::new(3, 1, 1, 1, 0);
+    let tasks = vec![
+        TaskInfo {
+            id: "task-1".to_string(),
+            status: TaskStatus::Running,
+            duration_secs: Some(1.5),
+            current_output: "Processing...".to_string(),
+            task_type: "sub_recipe".to_string(),
+            task_name: "test-task".to_string(),
+            task_metadata: "param=value".to_string(),
+            error: None,
+            result_data: None,
+        },
+        TaskInfo {
+            id: "task-2".to_string(),
+            status: TaskStatus::Completed,
+            duration_secs: Some(2.3),
+            current_output: "".to_string(),
+            task_type: "text_instruction".to_string(),
+            task_name: "another-task".to_string(),
+            task_metadata: "".to_string(),
+            error: None,
+            result_data: Some(json!({"result": "success"})),
+        },
+    ];
+
+    let event = TaskExecutionNotificationEvent::TasksUpdate { stats, tasks };
+    let result = format_tasks_update_from_event(&event);
+
+    assert!(result.contains("🎯 Task Execution Dashboard"));
+    assert!(result.contains("═══════════════════════════"));
+    assert!(result.contains("📊 Progress: 3 total"));
+    assert!(result.contains("⏳ 1 pending"));
+    assert!(result.contains("🏃 1 running"));
+    assert!(result.contains("✅ 1 completed"));
+    assert!(result.contains("❌ 0 failed"));
+    assert!(result.contains("🏃 test-task"));
+    assert!(result.contains("✅ another-task"));
+    assert!(result.contains("📋 Parameters: param=value"));
+    assert!(result.contains("⏱️  1.5s"));
+    assert!(result.contains("💬 Processing..."));
+
+    let result2 = format_tasks_update_from_event(&event);
+    assert!(!result2.contains("🎯 Task Execution Dashboard"));
+    assert!(result2.contains(MOVE_TO_PROGRESS_LINE));
+}
+
+#[test]
+fn test_format_tasks_complete_from_event() {
+    let stats = TaskCompletionStats::new(5, 4, 1);
+    let failed_tasks = vec![FailedTaskInfo {
+        id: "task-3".to_string(),
+        name: "failed-task".to_string(),
+        error: Some("Connection timeout".to_string()),
+    }];
+
+    let event = TaskExecutionNotificationEvent::TasksComplete {
+        stats,
+        failed_tasks,
+    };
+    let result = format_tasks_complete_from_event(&event);
+
+    assert!(result.contains("Execution Complete!"));
+    assert!(result.contains("═══════════════════════"));
+    assert!(result.contains("Total Tasks: 5"));
+    assert!(result.contains("✅ Completed: 4"));
+    assert!(result.contains("❌ Failed: 1"));
+    assert!(result.contains("📈 Success Rate: 80.0%"));
+    assert!(result.contains("❌ Failed Tasks:"));
+    assert!(result.contains("• failed-task"));
+    assert!(result.contains("Error: Connection timeout"));
+    assert!(result.contains("📝 Generating summary..."));
+}
+
+#[test]
+fn test_format_tasks_complete_from_event_no_failures() {
+    let stats = TaskCompletionStats::new(3, 3, 0);
+    let failed_tasks = vec![];
+
+    let event = TaskExecutionNotificationEvent::TasksComplete {
+        stats,
+        failed_tasks,
+    };
+    let result = format_tasks_complete_from_event(&event);
+
+    assert!(!result.contains("❌ Failed Tasks:"));
+    assert!(result.contains("📈 Success Rate: 100.0%"));
+    assert!(result.contains("❌ Failed: 0"));
+}
+
+#[test]
+fn test_format_task_display_running() {
+    let task = TaskInfo {
+        id: "task-1".to_string(),
+        status: TaskStatus::Running,
+        duration_secs: Some(1.5),
+        current_output: "Processing data...\nAlmost done...".to_string(),
+        task_type: "sub_recipe".to_string(),
+        task_name: "data-processor".to_string(),
+        task_metadata: "input=file.txt,output=result.json".to_string(),
+        error: None,
+        result_data: None,
+    };
+
+    let result = format_task_display(&task);
+
+    assert!(result.contains("🏃 data-processor (sub_recipe)"));
+    assert!(result.contains("📋 Parameters: input=file.txt,output=result.json"));
+    assert!(result.contains("⏱️  1.5s"));
+    assert!(result.contains("💬 Processing data... ... Almost done..."));
+}
+
+#[test]
+fn test_format_task_display_completed() {
+    let task = TaskInfo {
+        id: "task-2".to_string(),
+        status: TaskStatus::Completed,
+        duration_secs: Some(3.2),
+        current_output: "".to_string(),
+        task_type: "text_instruction".to_string(),
+        task_name: "analyzer".to_string(),
+        task_metadata: "".to_string(),
+        error: None,
+        result_data: Some(json!({"status": "success", "count": 42})),
+    };
+
+    let result = format_task_display(&task);
+
+    assert!(result.contains("✅ analyzer (text_instruction)"));
+    assert!(result.contains("⏱️  3.2s"));
+    assert!(!result.contains("📋 Parameters"));
+    assert!(result.contains("📄"));
+}
+
+#[test]
+fn test_format_task_display_failed() {
+    let task = TaskInfo {
+        id: "task-3".to_string(),
+        status: TaskStatus::Failed,
+        duration_secs: None,
+        current_output: "".to_string(),
+        task_type: "sub_recipe".to_string(),
+        task_name: "failing-task".to_string(),
+        task_metadata: "".to_string(),
+        error: Some(
+            "Network connection failed after multiple retries. The server is unreachable."
+                .to_string(),
+        ),
+        result_data: None,
+    };
+
+    let result = format_task_display(&task);
+
+    assert!(result.contains("❌ failing-task (sub_recipe)"));
+    assert!(!result.contains("⏱️"));
+    assert!(result.contains("⚠️"));
+    assert!(result.contains("Network connection failed after multiple retries"));
+}
+
+#[test]
+fn test_format_task_display_pending() {
+    let task = TaskInfo {
+        id: "task-4".to_string(),
+        status: TaskStatus::Pending,
+        duration_secs: None,
+        current_output: "".to_string(),
+        task_type: "sub_recipe".to_string(),
+        task_name: "waiting-task".to_string(),
+        task_metadata: "priority=high".to_string(),
+        error: None,
+        result_data: None,
+    };
+
+    let result = format_task_display(&task);
+
+    assert!(result.contains("⏳ waiting-task (sub_recipe)"));
+    assert!(result.contains("📋 Parameters: priority=high"));
+    assert!(!result.contains("⏱️"));
+    assert!(!result.contains("💬"));
+    assert!(!result.contains("📄"));
+    assert!(!result.contains("⚠️"));
+}
+
+#[test]
+fn test_format_task_display_empty_current_output() {
+    let task = TaskInfo {
+        id: "task-5".to_string(),
+        status: TaskStatus::Running,
+        duration_secs: Some(0.5),
+        current_output: "   \n\t  \n   ".to_string(),
+        task_type: "sub_recipe".to_string(),
+        task_name: "quiet-task".to_string(),
+        task_metadata: "".to_string(),
+        error: None,
+        result_data: None,
+    };
+
+    let result = format_task_display(&task);
+
+    assert!(!result.contains("💬"));
+}

crates/goose/src/agents/agent.rs

@@ -12,6 +12,7 @@ use crate::agents::final_output_tool::{FINAL_OUTPUT_CONTINUATION_MESSAGE, FINAL_
 use crate::agents::sub_recipe_execution_tool::sub_recipe_execute_task_tool::{
     self, SUB_RECIPE_EXECUTE_TASK_TOOL_NAME,
 };
+use crate::agents::sub_recipe_execution_tool::tasks_manager::TasksManager;
 use crate::agents::sub_recipe_manager::SubRecipeManager;
 use crate::config::{Config, ExtensionConfigManager, PermissionManager};
 use crate::message::{push_message, Message};
@@ -63,6 +64,7 @@ pub struct Agent {
     pub(super) provider: Mutex<Option<Arc<dyn Provider>>>,
     pub(super) extension_manager: RwLock<ExtensionManager>,
     pub(super) sub_recipe_manager: Mutex<SubRecipeManager>,
+    pub(super) tasks_manager: TasksManager,
     pub(super) final_output_tool: Mutex<Option<FinalOutputTool>>,
     pub(super) frontend_tools: Mutex<HashMap<String, FrontendTool>>,
     pub(super) frontend_instructions: Mutex<Option<String>>,
@@ -137,6 +139,7 @@ impl Agent {
             provider: Mutex::new(None),
             extension_manager: RwLock::new(ExtensionManager::new()),
             sub_recipe_manager: Mutex::new(SubRecipeManager::new()),
+            tasks_manager: TasksManager::new(),
             final_output_tool: Mutex::new(None),
             frontend_tools: Mutex::new(HashMap::new()),
             frontend_instructions: Mutex::new(None),
@@ -291,10 +294,18 @@ impl Agent {
         let sub_recipe_manager = self.sub_recipe_manager.lock().await;
         let result: ToolCallResult = if sub_recipe_manager.is_sub_recipe_tool(&tool_call.name) {
             sub_recipe_manager
-                .dispatch_sub_recipe_tool_call(&tool_call.name, tool_call.arguments.clone())
+                .dispatch_sub_recipe_tool_call(
+                    &tool_call.name,
+                    tool_call.arguments.clone(),
+                    &self.tasks_manager,
+                )
                 .await
         } else if tool_call.name == SUB_RECIPE_EXECUTE_TASK_TOOL_NAME {
-            sub_recipe_execute_task_tool::run_tasks(tool_call.arguments.clone()).await
+            sub_recipe_execute_task_tool::run_tasks(
+                tool_call.arguments.clone(),
+                &self.tasks_manager,
+            )
+            .await
         } else if tool_call.name == PLATFORM_READ_RESOURCE_TOOL_NAME {
             // Check if the tool is read_resource and handle it separately
             ToolCallResult::from(

crates/goose/src/agents/recipe_tools/mod.rs

@@ -1 +1,2 @@
+pub mod param_utils;
 pub mod sub_recipe_tools;

crates/goose/src/agents/recipe_tools/param_utils/mod.rs

@@ -0,0 +1,38 @@
+use anyhow::Result;
+use serde_json::Value;
+use std::collections::HashMap;
+
+use crate::recipe::SubRecipe;
+
+pub fn prepare_command_params(
+    sub_recipe: &SubRecipe,
+    params_from_tool_call: Vec<Value>,
+) -> Result<Vec<HashMap<String, String>>> {
+    let base_params = sub_recipe.values.clone().unwrap_or_default();
+
+    if params_from_tool_call.is_empty() {
+        return Ok(vec![base_params]);
+    }
+
+    let result = params_from_tool_call
+        .into_iter()
+        .map(|tool_param| {
+            let mut param_map = base_params.clone();
+            if let Some(param_obj) = tool_param.as_object() {
+                for (key, value) in param_obj {
+                    let value_str = value
+                        .as_str()
+                        .map(String::from)
+                        .unwrap_or_else(|| value.to_string());
+                    param_map.entry(key.clone()).or_insert(value_str);
+                }
+            }
+            param_map
+        })
+        .collect();
+
+    Ok(result)
+}
+
+#[cfg(test)]
+mod tests;

crates/goose/src/agents/recipe_tools/param_utils/tests.rs

@@ -0,0 +1,140 @@
+use std::collections::HashMap;
+
+use crate::recipe::SubRecipe;
+use serde_json::json;
+
+use crate::agents::recipe_tools::param_utils::prepare_command_params;
+
+fn setup_default_sub_recipe() -> SubRecipe {
+    let sub_recipe = SubRecipe {
+        name: "test_sub_recipe".to_string(),
+        path: "test_sub_recipe.yaml".to_string(),
+        values: Some(HashMap::from([("key1".to_string(), "value1".to_string())])),
+        sequential_when_repeated: true,
+    };
+    sub_recipe
+}
+
+mod prepare_command_params_tests {
+    use super::*;
+
+    #[test]
+    fn test_return_command_param() {
+        let parameter_array = vec![json!(HashMap::from([(
+            "key2".to_string(),
+            "value2".to_string()
+        )]))];
+        let mut sub_recipe = setup_default_sub_recipe();
+        sub_recipe.values = Some(HashMap::from([("key1".to_string(), "value1".to_string())]));
+
+        let result = prepare_command_params(&sub_recipe, parameter_array).unwrap();
+        assert_eq!(
+            vec![HashMap::from([
+                ("key1".to_string(), "value1".to_string()),
+                ("key2".to_string(), "value2".to_string())
+            ]),],
+            result
+        );
+    }
+
+    #[test]
+    fn test_return_command_param_when_value_override_passed_param_value() {
+        let parameter_array = vec![json!(HashMap::from([(
+            "key2".to_string(),
+            "different_value".to_string()
+        )]))];
+        let mut sub_recipe = setup_default_sub_recipe();
+        sub_recipe.values = Some(HashMap::from([
+            ("key1".to_string(), "value1".to_string()),
+            ("key2".to_string(), "value2".to_string()),
+        ]));
+
+        let result = prepare_command_params(&sub_recipe, parameter_array).unwrap();
+        assert_eq!(
+            vec![HashMap::from([
+                ("key1".to_string(), "value1".to_string()),
+                ("key2".to_string(), "value2".to_string())
+            ]),],
+            result
+        );
+    }
+
+    #[test]
+    fn test_return_empty_command_param() {
+        let parameter_array = vec![];
+        let mut sub_recipe = setup_default_sub_recipe();
+        sub_recipe.values = None;
+
+        let result = prepare_command_params(&sub_recipe, parameter_array).unwrap();
+        assert_eq!(result, vec![HashMap::new()]);
+    }
+
+    mod multiple_tool_parameters {
+        use super::*;
+
+        #[test]
+        fn test_return_command_param_when_all_values_from_tool_call_parameters() {
+            let parameter_array = vec![
+                json!(HashMap::from([
+                    ("key1".to_string(), "key1_value1".to_string()),
+                    ("key2".to_string(), "key2_value1".to_string())
+                ])),
+                json!(HashMap::from([
+                    ("key1".to_string(), "key1_value2".to_string()),
+                    ("key2".to_string(), "key2_value2".to_string())
+                ])),
+            ];
+            let mut sub_recipe = setup_default_sub_recipe();
+            sub_recipe.values = None;
+
+            let result = prepare_command_params(&sub_recipe, parameter_array).unwrap();
+            assert_eq!(
+                vec![
+                    HashMap::from([
+                        ("key1".to_string(), "key1_value1".to_string()),
+                        ("key2".to_string(), "key2_value1".to_string()),
+                    ]),
+                    HashMap::from([
+                        ("key1".to_string(), "key1_value2".to_string()),
+                        ("key2".to_string(), "key2_value2".to_string()),
+                    ]),
+                ],
+                result
+            );
+        }
+
+        #[test]
+        fn test_merge_base_values_with_tool_parameters() {
+            let parameter_array = vec![
+                json!(HashMap::from([(
+                    "key2".to_string(),
+                    "override_value1".to_string()
+                )])),
+                json!(HashMap::from([(
+                    "key2".to_string(),
+                    "override_value2".to_string()
+                )])),
+            ];
+            let mut sub_recipe = setup_default_sub_recipe();
+            sub_recipe.values = Some(HashMap::from([
+                ("key1".to_string(), "base_value".to_string()),
+                ("key2".to_string(), "original_value".to_string()),
+            ]));
+
+            let result = prepare_command_params(&sub_recipe, parameter_array).unwrap();
+            assert_eq!(
+                vec![
+                    HashMap::from([
+                        ("key1".to_string(), "base_value".to_string()),
+                        ("key2".to_string(), "original_value".to_string()),
+                    ]),
+                    HashMap::from([
+                        ("key1".to_string(), "base_value".to_string()),
+                        ("key2".to_string(), "original_value".to_string()),
+                    ]),
+                ],
+                result
+            );
+        }
+    }
+}

crates/goose/src/agents/recipe_tools/sub_recipe_tools.rs

@@ -1,22 +1,35 @@
-use std::{collections::HashMap, fs};
+use std::collections::HashSet;
+use std::fs;
 
 use anyhow::Result;
 use mcp_core::tool::{Tool, ToolAnnotations};
 use serde_json::{json, Map, Value};
 
-use crate::agents::sub_recipe_execution_tool::lib::Task;
+use crate::agents::sub_recipe_execution_tool::lib::{ExecutionMode, Task};
+use crate::agents::sub_recipe_execution_tool::tasks_manager::TasksManager;
 use crate::recipe::{Recipe, RecipeParameter, RecipeParameterRequirement, SubRecipe};
 
+use super::param_utils::prepare_command_params;
+
 pub const SUB_RECIPE_TASK_TOOL_NAME_PREFIX: &str = "subrecipe__create_task";
 
 pub fn create_sub_recipe_task_tool(sub_recipe: &SubRecipe) -> Tool {
     let input_schema = get_input_schema(sub_recipe).unwrap();
     Tool::new(
         format!("{}_{}", SUB_RECIPE_TASK_TOOL_NAME_PREFIX, sub_recipe.name),
-        "Before running this sub recipe, you should first create a task with this tool and then pass the task to the task executor".to_string(),
+        format!(
+            "Create one or more tasks to run the '{}' sub recipe. \
+            Provide an array of parameter sets in the 'task_parameters' field:\n\
+            - For a single task: provide an array with one parameter set\n\
+            - For multiple tasks: provide an array with multiple parameter sets, each with different values\n\n\
+            Each task will run the same sub recipe but with different parameter values. \
+            This is useful when you need to execute the same sub recipe multiple times with varying inputs. \
+            After creating the tasks and execution_mode is provided, pass them to the task executor to run these tasks",
+            sub_recipe.name
+        ),
         input_schema,
         Some(ToolAnnotations {
-            title: Some(format!("create sub recipe task {}", sub_recipe.name)),
+            title: Some(format!("create multiple sub recipe tasks for {}", sub_recipe.name)),
             read_only_hint: false,
             destructive_hint: true,
             idempotent_hint: false,
@@ -25,6 +38,64 @@ pub fn create_sub_recipe_task_tool(sub_recipe: &SubRecipe) -> Tool {
     )
 }
 
+fn extract_task_parameters(params: &Value) -> Vec<Value> {
+    params
+        .get("task_parameters")
+        .and_then(|v| v.as_array())
+        .cloned()
+        .unwrap_or_default()
+}
+
+fn create_tasks_from_params(
+    sub_recipe: &SubRecipe,
+    command_params: &[std::collections::HashMap<String, String>],
+) -> Vec<Task> {
+    let tasks: Vec<Task> = command_params
+        .iter()
+        .map(|task_command_param| {
+            let payload = json!({
+                "sub_recipe": {
+                    "name": sub_recipe.name.clone(),
+                    "command_parameters": task_command_param,
+                    "recipe_path": sub_recipe.path.clone(),
+                    "sequential_when_repeated": sub_recipe.sequential_when_repeated
+                }
+            });
+            Task {
+                id: uuid::Uuid::new_v4().to_string(),
+                task_type: "sub_recipe".to_string(),
+                payload,
+            }
+        })
+        .collect();
+
+    tasks
+}
+
+fn create_task_execution_payload(tasks: &[Task], sub_recipe: &SubRecipe) -> Value {
+    let task_ids: Vec<String> = tasks.iter().map(|task| task.id.clone()).collect();
+    json!({
+        "task_ids": task_ids,
+        "execution_mode": if sub_recipe.sequential_when_repeated { ExecutionMode::Sequential } else { ExecutionMode::Parallel },
+    })
+}
+
+pub async fn create_sub_recipe_task(
+    sub_recipe: &SubRecipe,
+    params: Value,
+    tasks_manager: &TasksManager,
+) -> Result<String> {
+    let task_params_array = extract_task_parameters(&params);
+    let command_params = prepare_command_params(sub_recipe, task_params_array.clone())?;
+    let tasks = create_tasks_from_params(sub_recipe, &command_params);
+    let task_execution_payload = create_task_execution_payload(&tasks, sub_recipe);
+
+    let tasks_json = serde_json::to_string(&task_execution_payload)
+        .map_err(|e| anyhow::anyhow!("Failed to serialize task list: {}", e))?;
+    tasks_manager.save_tasks(tasks.clone()).await;
+    Ok(tasks_json)
+}
+
 fn get_sub_recipe_parameter_definition(
     sub_recipe: &SubRecipe,
 ) -> Result<Option<Vec<RecipeParameter>>> {
@@ -34,22 +105,55 @@ fn get_sub_recipe_parameter_definition(
     Ok(recipe.parameters)
 }
 
-fn get_input_schema(sub_recipe: &SubRecipe) -> Result<Value> {
-    let mut sub_recipe_params_map = HashMap::<String, String>::new();
+fn get_params_with_values(sub_recipe: &SubRecipe) -> HashSet<String> {
+    let mut sub_recipe_params_with_values = HashSet::<String>::new();
     if let Some(params_with_value) = &sub_recipe.values {
-        for (param_name, param_value) in params_with_value {
-            sub_recipe_params_map.insert(param_name.clone(), param_value.clone());
+        for param_name in params_with_value.keys() {
+            sub_recipe_params_with_values.insert(param_name.clone());
         }
     }
-    let parameter_definition = get_sub_recipe_parameter_definition(sub_recipe)?;
-    if let Some(parameters) = parameter_definition {
+    sub_recipe_params_with_values
+}
+
+fn create_input_schema(param_properties: Map<String, Value>, param_required: Vec<String>) -> Value {
     let mut properties = Map::new();
-        let mut required = Vec::new();
+    if !param_properties.is_empty() {
+        properties.insert(
+            "task_parameters".to_string(),
+            json!({
+                "type": "array",
+                "description": "Array of parameter sets for creating tasks. \
+                    For a single task, provide an array with one element. \
+                    For multiple tasks, provide an array with multiple elements, each with different parameter values. \
+                    If there is no parameter set, provide an empty array.",
+                "items": {
+                    "type": "object",
+                    "properties": param_properties,
+                    "required": param_required
+                },
+            })
+        );
+    }
+    json!({
+        "type": "object",
+        "properties": properties,
+    })
+}
+
+fn get_input_schema(sub_recipe: &SubRecipe) -> Result<Value> {
+    let sub_recipe_params_with_values = get_params_with_values(sub_recipe);
+
+    let parameter_definition = get_sub_recipe_parameter_definition(sub_recipe)?;
+
+    let mut param_properties = Map::new();
+    let mut param_required = Vec::new();
+
+    if let Some(parameters) = parameter_definition {
         for param in parameters {
-            if sub_recipe_params_map.contains_key(&param.key) {
+            if sub_recipe_params_with_values.contains(&param.key.clone()) {
                 continue;
             }
-            properties.insert(
+            param_properties.insert(
                 param.key.clone(),
                 json!({
                     "type": param.input_type.to_string(),
@@ -57,60 +161,11 @@ fn get_input_schema(sub_recipe: &SubRecipe) -> Result<Value> {
                 }),
             );
             if !matches!(param.requirement, RecipeParameterRequirement::Optional) {
-                required.push(param.key);
+                param_required.push(param.key);
             }
         }
-        Ok(json!({
-            "type": "object",
-            "properties": properties,
-            "required": required
-        }))
-    } else {
-        Ok(json!({
-            "type": "object",
-            "properties": {}
-        }))
     }
-}
-
-fn prepare_command_params(
-    sub_recipe: &SubRecipe,
-    params_from_tool_call: Value,
-) -> Result<HashMap<String, String>> {
-    let mut sub_recipe_params = HashMap::<String, String>::new();
-    if let Some(params_with_value) = &sub_recipe.values {
-        for (param_name, param_value) in params_with_value {
-            sub_recipe_params.insert(param_name.clone(), param_value.clone());
-        }
-    }
-    if let Some(params_map) = params_from_tool_call.as_object() {
-        for (key, value) in params_map {
-            sub_recipe_params.insert(
-                key.to_string(),
-                value.as_str().unwrap_or(&value.to_string()).to_string(),
-            );
-        }
-    }
-    Ok(sub_recipe_params)
-}
-
-pub async fn create_sub_recipe_task(sub_recipe: &SubRecipe, params: Value) -> Result<String> {
-    let command_params = prepare_command_params(sub_recipe, params)?;
-    let payload = json!({
-        "sub_recipe": {
-            "name": sub_recipe.name.clone(),
-            "command_parameters": command_params,
-            "recipe_path": sub_recipe.path.clone(),
-        }
-    });
-    let task = Task {
-        id: uuid::Uuid::new_v4().to_string(),
-        task_type: "sub_recipe".to_string(),
-        payload,
-    };
-    let task_json = serde_json::to_string(&task)
-        .map_err(|e| anyhow::anyhow!("Failed to serialize Task: {}", e))?;
-    Ok(task_json)
+    Ok(create_input_schema(param_properties, param_required))
 }
 
 #[cfg(test)]

crates/goose/src/agents/recipe_tools/sub_recipe_tools/tests.rs

@@ -3,66 +3,48 @@ mod tests {
     use std::collections::HashMap;
 
     use crate::recipe::SubRecipe;
+    use serde_json::json;
+    use serde_json::Value;
+    use tempfile::TempDir;
 
-    fn setup_sub_recipe() -> SubRecipe {
+    fn setup_default_sub_recipe() -> SubRecipe {
         let sub_recipe = SubRecipe {
             name: "test_sub_recipe".to_string(),
             path: "test_sub_recipe.yaml".to_string(),
             values: Some(HashMap::from([("key1".to_string(), "value1".to_string())])),
+            sequential_when_repeated: true,
         };
         sub_recipe
     }
-    mod prepare_command_params_tests {
-        use std::collections::HashMap;
 
-        use crate::{
-            agents::recipe_tools::sub_recipe_tools::{
-                prepare_command_params, tests::tests::setup_sub_recipe,
-            },
-            recipe::SubRecipe,
-        };
+    mod get_input_schema {
+        use super::*;
+        use crate::agents::recipe_tools::sub_recipe_tools::get_input_schema;
 
-        #[test]
-        fn test_prepare_command_params_basic() {
-            let mut params = HashMap::new();
-            params.insert("key2".to_string(), "value2".to_string());
-
-            let sub_recipe = setup_sub_recipe();
-
-            let params_value = serde_json::to_value(params).unwrap();
-            let result = prepare_command_params(&sub_recipe, params_value).unwrap();
-            assert_eq!(result.len(), 2);
-            assert_eq!(result.get("key1"), Some(&"value1".to_string()));
-            assert_eq!(result.get("key2"), Some(&"value2".to_string()));
+        fn prepare_sub_recipe(sub_recipe_file_content: &str) -> (SubRecipe, TempDir) {
+            let mut sub_recipe = setup_default_sub_recipe();
+            let temp_dir = tempfile::tempdir().unwrap();
+            let temp_file = temp_dir.path().join(sub_recipe.path.clone());
+            std::fs::write(&temp_file, sub_recipe_file_content).unwrap();
+            sub_recipe.path = temp_file.to_string_lossy().to_string();
+            (sub_recipe, temp_dir)
         }
 
-        #[test]
-        fn test_prepare_command_params_empty() {
-            let sub_recipe = SubRecipe {
-                name: "test_sub_recipe".to_string(),
-                path: "test_sub_recipe.yaml".to_string(),
-                values: None,
-            };
-            let params: HashMap<String, String> = HashMap::new();
-            let params_value = serde_json::to_value(params).unwrap();
-            let result = prepare_command_params(&sub_recipe, params_value).unwrap();
-            assert_eq!(result.len(), 0);
-        }
+        fn verify_task_parameters(result: Value, expected_task_parameters_items: Value) {
+            let task_parameters = result
+                .get("properties")
+                .unwrap()
+                .as_object()
+                .unwrap()
+                .get("task_parameters")
+                .unwrap()
+                .as_object()
+                .unwrap();
+            let task_parameters_items = task_parameters.get("items").unwrap();
+            assert_eq!(&expected_task_parameters_items, task_parameters_items);
         }
 
-    mod get_input_schema_tests {
-        use crate::{
-            agents::recipe_tools::sub_recipe_tools::{
-                get_input_schema, tests::tests::setup_sub_recipe,
-            },
-            recipe::SubRecipe,
-        };
-
-        #[test]
-        fn test_get_input_schema_with_parameters() {
-            let sub_recipe = setup_sub_recipe();
-
-            let sub_recipe_file_content = r#"{
+        const SUB_RECIPE_FILE_CONTENT_WITH_TWO_PARAMS: &str = r#"{
                 "version": "1.0.0",
                 "title": "Test Recipe",
                 "description": "A test recipe",
@@ -83,73 +65,67 @@ mod tests {
                 ]
             }"#;
 
-            let temp_dir = tempfile::tempdir().unwrap();
-            let temp_file = temp_dir.path().join("test_sub_recipe.yaml");
-            std::fs::write(&temp_file, sub_recipe_file_content).unwrap();
-
-            let mut sub_recipe = sub_recipe;
-            sub_recipe.path = temp_file.to_string_lossy().to_string();
+        #[test]
+        fn test_with_one_param_in_tool_input() {
+            let (mut sub_recipe, _temp_dir) =
+                prepare_sub_recipe(SUB_RECIPE_FILE_CONTENT_WITH_TWO_PARAMS);
+            sub_recipe.values = Some(HashMap::from([("key1".to_string(), "value1".to_string())]));
 
             let result = get_input_schema(&sub_recipe).unwrap();
 
-            // Verify the schema structure
-            assert_eq!(result["type"], "object");
-            assert!(result["properties"].is_object());
-
-            let properties = result["properties"].as_object().unwrap();
-            assert_eq!(properties.len(), 1);
-
-            let key2_prop = &properties["key2"];
-            assert_eq!(key2_prop["type"], "number");
-            assert_eq!(key2_prop["description"], "An optional parameter");
-
-            let required = result["required"].as_array().unwrap();
-            assert_eq!(required.len(), 0);
+            verify_task_parameters(
+                result,
+                json!({
+                    "type": "object",
+                    "properties": {
+                        "key2": { "type": "number", "description": "An optional parameter" }
+                    },
+                    "required": []
+                }),
+            );
         }
 
         #[test]
-        fn test_get_input_schema_no_parameters_values() {
-            let sub_recipe = SubRecipe {
-                name: "test_sub_recipe".to_string(),
-                path: "test_sub_recipe.yaml".to_string(),
-                values: None,
-            };
-
-            let sub_recipe_file_content = r#"{
-                "version": "1.0.0",
-                "title": "Test Recipe",
-                "description": "A test recipe",
-                "prompt": "Test prompt",
-                "parameters": [
-                    {
-                        "key": "key1",
-                        "input_type": "string",
-                        "requirement": "required",
-                        "description": "A test parameter"
-                    }
-                ]
-            }"#;
-
-            let temp_dir = tempfile::tempdir().unwrap();
-            let temp_file = temp_dir.path().join("test_sub_recipe.yaml");
-            std::fs::write(&temp_file, sub_recipe_file_content).unwrap();
-
-            let mut sub_recipe = sub_recipe;
-            sub_recipe.path = temp_file.to_string_lossy().to_string();
+        fn test_without_param_in_tool_input() {
+            let (mut sub_recipe, _temp_dir) =
+                prepare_sub_recipe(SUB_RECIPE_FILE_CONTENT_WITH_TWO_PARAMS);
+            sub_recipe.values = Some(HashMap::from([
+                ("key1".to_string(), "value1".to_string()),
+                ("key2".to_string(), "value2".to_string()),
+            ]));
 
             let result = get_input_schema(&sub_recipe).unwrap();
 
-            assert_eq!(result["type"], "object");
-            assert!(result["properties"].is_object());
+            assert_eq!(
+                None,
+                result
+                    .get("properties")
+                    .unwrap()
+                    .as_object()
+                    .unwrap()
+                    .get("task_parameters")
+            );
+        }
 
-            let properties = result["properties"].as_object().unwrap();
-            assert_eq!(properties.len(), 1);
+        #[test]
+        fn test_with_all_params_in_tool_input() {
+            let (mut sub_recipe, _temp_dir) =
+                prepare_sub_recipe(SUB_RECIPE_FILE_CONTENT_WITH_TWO_PARAMS);
+            sub_recipe.values = None;
 
-            let key1_prop = &properties["key1"];
-            assert_eq!(key1_prop["type"], "string");
-            assert_eq!(key1_prop["description"], "A test parameter");
-            assert_eq!(result["required"].as_array().unwrap().len(), 1);
-            assert_eq!(result["required"][0], "key1");
+            let result = get_input_schema(&sub_recipe).unwrap();
+
+            verify_task_parameters(
+                result,
+                json!({
+                    "type": "object",
+                    "properties": {
+                        "key1": { "type": "string", "description": "A test parameter" },
+                        "key2": { "type": "number", "description": "An optional parameter" }
+                    },
+                    "required": ["key1"]
+                }),
+            );
         }
     }
 }

crates/goose/src/agents/sub_recipe_execution_tool/executor.rs

@@ -1,103 +0,0 @@
-use std::sync::atomic::{AtomicBool, AtomicUsize};
-use std::sync::Arc;
-use tokio::sync::mpsc;
-use tokio::time::Instant;
-
-use crate::agents::sub_recipe_execution_tool::lib::{
-    Config, ExecutionResponse, ExecutionStats, Task, TaskResult,
-};
-use crate::agents::sub_recipe_execution_tool::tasks::process_task;
-use crate::agents::sub_recipe_execution_tool::workers::{run_scaler, spawn_worker, SharedState};
-
-pub async fn execute_single_task(task: &Task, config: Config) -> ExecutionResponse {
-    let start_time = Instant::now();
-    let result = process_task(task, config.timeout_seconds).await;
-
-    let execution_time = start_time.elapsed().as_millis();
-    let completed = if result.status == "success" { 1 } else { 0 };
-    let failed = if result.status == "failed" { 1 } else { 0 };
-
-    ExecutionResponse {
-        status: "completed".to_string(),
-        results: vec![result],
-        stats: ExecutionStats {
-            total_tasks: 1,
-            completed,
-            failed,
-            execution_time_ms: execution_time,
-        },
-    }
-}
-
-// Main parallel execution function
-pub async fn parallel_execute(tasks: Vec<Task>, config: Config) -> ExecutionResponse {
-    let start_time = Instant::now();
-    let task_count = tasks.len();
-
-    // Create channels
-    let (task_tx, task_rx) = mpsc::channel::<Task>(task_count);
-    let (result_tx, mut result_rx) = mpsc::channel::<TaskResult>(task_count);
-
-    // Initialize shared state
-    let shared_state = Arc::new(SharedState {
-        task_receiver: Arc::new(tokio::sync::Mutex::new(task_rx)),
-        result_sender: result_tx,
-        active_workers: Arc::new(AtomicUsize::new(0)),
-        should_stop: Arc::new(AtomicBool::new(false)),
-        completed_tasks: Arc::new(AtomicUsize::new(0)),
-    });
-
-    // Send all tasks to the queue
-    for task in tasks.clone() {
-        let _ = task_tx.send(task).await;
-    }
-    // Close sender so workers know when queue is empty
-    drop(task_tx);
-
-    // Start initial workers
-    let mut worker_handles = Vec::new();
-    for i in 0..config.initial_workers {
-        let handle = spawn_worker(shared_state.clone(), i, config.timeout_seconds);
-        worker_handles.push(handle);
-    }
-
-    // Start the scaler
-    let scaler_state = shared_state.clone();
-    let scaler_handle = tokio::spawn(async move {
-        run_scaler(
-            scaler_state,
-            task_count,
-            config.max_workers,
-            config.timeout_seconds,
-        )
-        .await;
-    });
-
-    // Collect results
-    let mut results = Vec::new();
-    while let Some(result) = result_rx.recv().await {
-        results.push(result);
-        if results.len() >= task_count {
-            break;
-        }
-    }
-
-    // Wait for scaler to finish
-    let _ = scaler_handle.await;
-
-    // Calculate stats
-    let execution_time = start_time.elapsed().as_millis();
-    let completed = results.iter().filter(|r| r.status == "success").count();
-    let failed = results.iter().filter(|r| r.status == "failed").count();
-
-    ExecutionResponse {
-        status: "completed".to_string(),
-        results,
-        stats: ExecutionStats {
-            total_tasks: task_count,
-            completed,
-            failed,
-            execution_time_ms: execution_time,
-        },
-    }
-}

crates/goose/src/agents/sub_recipe_execution_tool/executor/mod.rs

@@ -0,0 +1,197 @@
+use mcp_core::protocol::JsonRpcMessage;
+use std::sync::atomic::AtomicUsize;
+use std::sync::Arc;
+use tokio::sync::mpsc;
+use tokio::time::Instant;
+
+use crate::agents::sub_recipe_execution_tool::lib::{
+    ExecutionResponse, ExecutionStats, SharedState, Task, TaskResult, TaskStatus,
+};
+use crate::agents::sub_recipe_execution_tool::task_execution_tracker::{
+    DisplayMode, TaskExecutionTracker,
+};
+use crate::agents::sub_recipe_execution_tool::tasks::process_task;
+use crate::agents::sub_recipe_execution_tool::workers::spawn_worker;
+
+#[cfg(test)]
+mod tests;
+
+const EXECUTION_STATUS_COMPLETED: &str = "completed";
+const DEFAULT_MAX_WORKERS: usize = 10;
+
+pub async fn execute_single_task(
+    task: &Task,
+    notifier: mpsc::Sender<JsonRpcMessage>,
+) -> ExecutionResponse {
+    let start_time = Instant::now();
+    let task_execution_tracker = Arc::new(TaskExecutionTracker::new(
+        vec![task.clone()],
+        DisplayMode::SingleTaskOutput,
+        notifier,
+    ));
+    let result = process_task(task, task_execution_tracker).await;
+    let execution_time = start_time.elapsed().as_millis();
+    let stats = calculate_stats(&[result.clone()], execution_time);
+
+    ExecutionResponse {
+        status: EXECUTION_STATUS_COMPLETED.to_string(),
+        results: vec![result],
+        stats,
+    }
+}
+
+pub async fn execute_tasks_in_parallel(
+    tasks: Vec<Task>,
+    notifier: mpsc::Sender<JsonRpcMessage>,
+) -> ExecutionResponse {
+    let task_execution_tracker = Arc::new(TaskExecutionTracker::new(
+        tasks.clone(),
+        DisplayMode::MultipleTasksOutput,
+        notifier,
+    ));
+    let start_time = Instant::now();
+    let task_count = tasks.len();
+
+    if task_count == 0 {
+        return create_empty_response();
+    }
+
+    task_execution_tracker.refresh_display().await;
+
+    let (task_tx, task_rx, result_tx, mut result_rx) = create_channels(task_count);
+
+    if let Err(e) = send_tasks_to_channel(tasks, task_tx).await {
+        tracing::error!("Task execution failed: {}", e);
+        return create_error_response(e);
+    }
+
+    let shared_state = create_shared_state(task_rx, result_tx, task_execution_tracker.clone());
+
+    let worker_count = std::cmp::min(task_count, DEFAULT_MAX_WORKERS);
+    let mut worker_handles = Vec::new();
+    for i in 0..worker_count {
+        let handle = spawn_worker(shared_state.clone(), i);
+        worker_handles.push(handle);
+    }
+
+    let results = collect_results(&mut result_rx, task_execution_tracker.clone(), task_count).await;
+
+    for handle in worker_handles {
+        if let Err(e) = handle.await {
+            tracing::error!("Worker error: {}", e);
+        }
+    }
+
+    task_execution_tracker.send_tasks_complete().await;
+
+    let execution_time = start_time.elapsed().as_millis();
+    let stats = calculate_stats(&results, execution_time);
+
+    ExecutionResponse {
+        status: EXECUTION_STATUS_COMPLETED.to_string(),
+        results,
+        stats,
+    }
+}
+
+fn calculate_stats(results: &[TaskResult], execution_time_ms: u128) -> ExecutionStats {
+    let completed = results
+        .iter()
+        .filter(|r| matches!(r.status, TaskStatus::Completed))
+        .count();
+    let failed = results
+        .iter()
+        .filter(|r| matches!(r.status, TaskStatus::Failed))
+        .count();
+
+    ExecutionStats {
+        total_tasks: results.len(),
+        completed,
+        failed,
+        execution_time_ms,
+    }
+}
+
+fn create_channels(
+    task_count: usize,
+) -> (
+    mpsc::Sender<Task>,
+    mpsc::Receiver<Task>,
+    mpsc::Sender<TaskResult>,
+    mpsc::Receiver<TaskResult>,
+) {
+    let (task_tx, task_rx) = mpsc::channel::<Task>(task_count);
+    let (result_tx, result_rx) = mpsc::channel::<TaskResult>(task_count);
+    (task_tx, task_rx, result_tx, result_rx)
+}
+
+fn create_shared_state(
+    task_rx: mpsc::Receiver<Task>,
+    result_tx: mpsc::Sender<TaskResult>,
+    task_execution_tracker: Arc<TaskExecutionTracker>,
+) -> Arc<SharedState> {
+    Arc::new(SharedState {
+        task_receiver: Arc::new(tokio::sync::Mutex::new(task_rx)),
+        result_sender: result_tx,
+        active_workers: Arc::new(AtomicUsize::new(0)),
+        task_execution_tracker,
+    })
+}
+
+async fn send_tasks_to_channel(
+    tasks: Vec<Task>,
+    task_tx: mpsc::Sender<Task>,
+) -> Result<(), String> {
+    for task in tasks {
+        task_tx
+            .send(task)
+            .await
+            .map_err(|e| format!("Failed to queue task: {}", e))?;
+    }
+    Ok(())
+}
+
+fn create_empty_response() -> ExecutionResponse {
+    ExecutionResponse {
+        status: EXECUTION_STATUS_COMPLETED.to_string(),
+        results: vec![],
+        stats: ExecutionStats {
+            total_tasks: 0,
+            completed: 0,
+            failed: 0,
+            execution_time_ms: 0,
+        },
+    }
+}
+
+async fn collect_results(
+    result_rx: &mut mpsc::Receiver<TaskResult>,
+    task_execution_tracker: Arc<TaskExecutionTracker>,
+    expected_count: usize,
+) -> Vec<TaskResult> {
+    let mut results = Vec::new();
+    while let Some(result) = result_rx.recv().await {
+        task_execution_tracker
+            .complete_task(&result.task_id, result.clone())
+            .await;
+        results.push(result);
+        if results.len() >= expected_count {
+            break;
+        }
+    }
+    results
+}
+
+fn create_error_response(error: String) -> ExecutionResponse {
+    tracing::error!("Creating error response: {}", error);
+    ExecutionResponse {
+        status: "failed".to_string(),
+        results: vec![],
+        stats: ExecutionStats {
+            total_tasks: 0,
+            completed: 0,
+            failed: 1,
+            execution_time_ms: 0,
+        },
+    }
+}

crates/goose/src/agents/sub_recipe_execution_tool/executor/tests.rs

@@ -0,0 +1,100 @@
+use super::{calculate_stats, create_empty_response, create_error_response};
+use crate::agents::sub_recipe_execution_tool::lib::{TaskResult, TaskStatus};
+use serde_json::json;
+
+fn create_test_task_result(task_id: &str, status: TaskStatus) -> TaskResult {
+    let is_failed = matches!(status, TaskStatus::Failed);
+    TaskResult {
+        task_id: task_id.to_string(),
+        status,
+        data: Some(json!({"output": "test output"})),
+        error: if is_failed {
+            Some("Test error".to_string())
+        } else {
+            None
+        },
+    }
+}
+
+#[test]
+fn test_calculate_stats() {
+    let results = vec![
+        create_test_task_result("task1", TaskStatus::Completed),
+        create_test_task_result("task2", TaskStatus::Completed),
+        create_test_task_result("task3", TaskStatus::Failed),
+        create_test_task_result("task4", TaskStatus::Completed),
+    ];
+
+    let stats = calculate_stats(&results, 1500);
+
+    assert_eq!(stats.total_tasks, 4);
+    assert_eq!(stats.completed, 3);
+    assert_eq!(stats.failed, 1);
+    assert_eq!(stats.execution_time_ms, 1500);
+}
+
+#[test]
+fn test_calculate_stats_empty_results() {
+    let results = vec![];
+    let stats = calculate_stats(&results, 0);
+
+    assert_eq!(stats.total_tasks, 0);
+    assert_eq!(stats.completed, 0);
+    assert_eq!(stats.failed, 0);
+    assert_eq!(stats.execution_time_ms, 0);
+}
+
+#[test]
+fn test_calculate_stats_all_completed() {
+    let results = vec![
+        create_test_task_result("task1", TaskStatus::Completed),
+        create_test_task_result("task2", TaskStatus::Completed),
+    ];
+
+    let stats = calculate_stats(&results, 800);
+
+    assert_eq!(stats.total_tasks, 2);
+    assert_eq!(stats.completed, 2);
+    assert_eq!(stats.failed, 0);
+    assert_eq!(stats.execution_time_ms, 800);
+}
+
+#[test]
+fn test_calculate_stats_all_failed() {
+    let results = vec![
+        create_test_task_result("task1", TaskStatus::Failed),
+        create_test_task_result("task2", TaskStatus::Failed),
+    ];
+
+    let stats = calculate_stats(&results, 1200);
+
+    assert_eq!(stats.total_tasks, 2);
+    assert_eq!(stats.completed, 0);
+    assert_eq!(stats.failed, 2);
+    assert_eq!(stats.execution_time_ms, 1200);
+}
+
+#[test]
+fn test_create_empty_response() {
+    let response = create_empty_response();
+
+    assert_eq!(response.status, "completed");
+    assert_eq!(response.results.len(), 0);
+    assert_eq!(response.stats.total_tasks, 0);
+    assert_eq!(response.stats.completed, 0);
+    assert_eq!(response.stats.failed, 0);
+    assert_eq!(response.stats.execution_time_ms, 0);
+}
+
+#[test]
+fn test_create_error_response() {
+    let error_msg = "Test error message";
+    let response = create_error_response(error_msg.to_string());
+
+    assert_eq!(response.status, "failed");
+    assert_eq!(response.results.len(), 0);
+    assert_eq!(response.stats.total_tasks, 0);
+    assert_eq!(response.stats.completed, 0);
+    assert_eq!(response.stats.failed, 1);
+    assert_eq!(response.stats.execution_time_ms, 0);
+}

crates/goose/src/agents/sub_recipe_execution_tool/lib.rs

@@ -1,38 +0,0 @@
-use crate::agents::sub_recipe_execution_tool::executor::execute_single_task;
-pub use crate::agents::sub_recipe_execution_tool::executor::parallel_execute;
-pub use crate::agents::sub_recipe_execution_tool::types::{
-    Config, ExecutionResponse, ExecutionStats, Task, TaskResult,
-};
-
-use serde_json::Value;
-
-pub async fn execute_tasks(input: Value, execution_mode: &str) -> Result<Value, String> {
-    let tasks: Vec<Task> =
-        serde_json::from_value(input.get("tasks").ok_or("Missing tasks field")?.clone())
-            .map_err(|e| format!("Failed to parse tasks: {}", e))?;
-
-    let config: Config = if let Some(config_value) = input.get("config") {
-        serde_json::from_value(config_value.clone())
-            .map_err(|e| format!("Failed to parse config: {}", e))?
-    } else {
-        Config::default()
-    };
-    let task_count = tasks.len();
-    match execution_mode {
-        "sequential" => {
-            if task_count == 1 {
-                let response = execute_single_task(&tasks[0], config).await;
-                serde_json::to_value(response)
-                    .map_err(|e| format!("Failed to serialize response: {}", e))
-            } else {
-                Err("Sequential execution mode requires exactly one task".to_string())
-            }
-        }
-        "parallel" => {
-            let response = parallel_execute(tasks, config).await;
-            serde_json::to_value(response)
-                .map_err(|e| format!("Failed to serialize response: {}", e))
-        }
-        _ => Err("Invalid execution mode".to_string()),
-    }
-}

crates/goose/src/agents/sub_recipe_execution_tool/lib/mod.rs

@@ -0,0 +1,127 @@
+use crate::agents::sub_recipe_execution_tool::executor::{
+    execute_single_task, execute_tasks_in_parallel,
+};
+pub use crate::agents::sub_recipe_execution_tool::task_types::{
+    ExecutionMode, ExecutionResponse, ExecutionStats, SharedState, Task, TaskResult, TaskStatus,
+};
+use crate::agents::sub_recipe_execution_tool::tasks_manager::TasksManager;
+
+#[cfg(test)]
+mod tests;
+
+use mcp_core::protocol::JsonRpcMessage;
+use serde_json::{json, Value};
+use tokio::sync::mpsc;
+
+pub async fn execute_tasks(
+    input: Value,
+    execution_mode: ExecutionMode,
+    notifier: mpsc::Sender<JsonRpcMessage>,
+    tasks_manager: &TasksManager,
+) -> Result<Value, String> {
+    let task_ids: Vec<String> = serde_json::from_value(
+        input
+            .get("task_ids")
+            .ok_or("Missing task_ids field")?
+            .clone(),
+    )
+    .map_err(|e| format!("Failed to parse task_ids: {}", e))?;
+
+    let mut tasks = Vec::new();
+    for task_id in &task_ids {
+        match tasks_manager.get_task(task_id).await {
+            Some(task) => tasks.push(task),
+            None => {
+                return Err(format!(
+                    "Task with ID '{}' not found in TasksManager",
+                    task_id
+                ))
+            }
+        }
+    }
+
+    let task_count = tasks.len();
+    match execution_mode {
+        ExecutionMode::Sequential => {
+            if task_count == 1 {
+                let response = execute_single_task(&tasks[0], notifier).await;
+                handle_response(response)
+            } else {
+                Err("Sequential execution mode requires exactly one task".to_string())
+            }
+        }
+
+        ExecutionMode::Parallel => {
+            if tasks.iter().any(|task| task.get_sequential_when_repeated()) {
+                Ok(json!(
+                    {
+                        "execution_mode": ExecutionMode::Sequential,
+                        "task_ids": task_ids,
+                        "results": ["the tasks should be executed sequentially, no matter how user requests it. Please use the subrecipe__execute_task tool to execute the tasks sequentially."]
+                    }
+                ))
+            } else {
+                let response: ExecutionResponse =
+                    execute_tasks_in_parallel(tasks, notifier.clone()).await;
+                handle_response(response)
+            }
+        }
+    }
+}
+
+fn extract_failed_tasks(results: &[TaskResult]) -> Vec<String> {
+    results
+        .iter()
+        .filter(|r| matches!(r.status, TaskStatus::Failed))
+        .map(format_failed_task_error)
+        .collect()
+}
+
+fn format_failed_task_error(result: &TaskResult) -> String {
+    let error_msg = result.error.as_deref().unwrap_or("Unknown error");
+    let partial_output = result
+        .data
+        .as_ref()
+        .and_then(|d| d.get("partial_output"))
+        .and_then(|v| v.as_str())
+        .filter(|s| !s.trim().is_empty())
+        .unwrap_or("No output captured");
+
+    format!(
+        "Task '{}' ({}): {}\nOutput: {}",
+        result.task_id,
+        get_task_description(result),
+        error_msg,
+        partial_output
+    )
+}
+
+fn format_error_summary(
+    failed_count: usize,
+    total_count: usize,
+    failed_tasks: Vec<String>,
+) -> String {
+    format!(
+        "{}/{} tasks failed:\n{}",
+        failed_count,
+        total_count,
+        failed_tasks.join("\n")
+    )
+}
+
+fn handle_response(response: ExecutionResponse) -> Result<Value, String> {
+    if response.stats.failed > 0 {
+        let failed_tasks = extract_failed_tasks(&response.results);
+        let error_summary = format_error_summary(
+            response.stats.failed,
+            response.stats.total_tasks,
+            failed_tasks,
+        );
+        return Err(error_summary);
+    }
+    serde_json::to_value(response).map_err(|e| format!("Failed to serialize response: {}", e))
+}
+
+fn get_task_description(result: &TaskResult) -> String {
+    format!("ID: {}", result.task_id)
+}

crates/goose/src/agents/sub_recipe_execution_tool/lib/tests.rs

@@ -0,0 +1,216 @@
+use super::{
+    extract_failed_tasks, format_error_summary, format_failed_task_error, get_task_description,
+    handle_response,
+};
+use crate::agents::sub_recipe_execution_tool::lib::{
+    ExecutionResponse, ExecutionStats, TaskResult, TaskStatus,
+};
+use serde_json::json;
+
+fn create_test_task_result(task_id: &str, status: TaskStatus, error: Option<String>) -> TaskResult {
+    TaskResult {
+        task_id: task_id.to_string(),
+        status,
+        data: Some(json!({"partial_output": "test output"})),
+        error,
+    }
+}
+
+fn create_test_execution_response(
+    results: Vec<TaskResult>,
+    failed_count: usize,
+) -> ExecutionResponse {
+    ExecutionResponse {
+        status: "completed".to_string(),
+        results: results.clone(),
+        stats: ExecutionStats {
+            total_tasks: results.len(),
+            completed: results.len() - failed_count,
+            failed: failed_count,
+            execution_time_ms: 1000,
+        },
+    }
+}
+
+#[test]
+fn test_extract_failed_tasks() {
+    let results = vec![
+        create_test_task_result("task1", TaskStatus::Completed, None),
+        create_test_task_result(
+            "task2",
+            TaskStatus::Failed,
+            Some("Error message".to_string()),
+        ),
+        create_test_task_result("task3", TaskStatus::Completed, None),
+        create_test_task_result(
+            "task4",
+            TaskStatus::Failed,
+            Some("Another error".to_string()),
+        ),
+    ];
+
+    let failed_tasks = extract_failed_tasks(&results);
+
+    assert_eq!(failed_tasks.len(), 2);
+    assert!(failed_tasks[0].contains("task2"));
+    assert!(failed_tasks[0].contains("Error message"));
+    assert!(failed_tasks[1].contains("task4"));
+    assert!(failed_tasks[1].contains("Another error"));
+}
+
+#[test]
+fn test_extract_failed_tasks_empty() {
+    let results = vec![
+        create_test_task_result("task1", TaskStatus::Completed, None),
+        create_test_task_result("task2", TaskStatus::Completed, None),
+    ];
+
+    let failed_tasks = extract_failed_tasks(&results);
+
+    assert_eq!(failed_tasks.len(), 0);
+}
+
+#[test]
+fn test_format_failed_task_error_with_error_message() {
+    let result = create_test_task_result(
+        "task1",
+        TaskStatus::Failed,
+        Some("Test error message".to_string()),
+    );
+
+    let formatted = format_failed_task_error(&result);
+
+    assert!(formatted.contains("task1"));
+    assert!(formatted.contains("Test error message"));
+    assert!(formatted.contains("test output"));
+    assert!(formatted.contains("ID: task1"));
+}
+
+#[test]
+fn test_format_failed_task_error_without_error_message() {
+    let result = create_test_task_result("task2", TaskStatus::Failed, None);
+
+    let formatted = format_failed_task_error(&result);
+
+    assert!(formatted.contains("task2"));
+    assert!(formatted.contains("Unknown error"));
+    assert!(formatted.contains("test output"));
+}
+
+#[test]
+fn test_format_failed_task_error_empty_partial_output() {
+    let mut result =
+        create_test_task_result("task3", TaskStatus::Failed, Some("Error".to_string()));
+    result.data = Some(json!({"partial_output": ""}));
+
+    let formatted = format_failed_task_error(&result);
+
+    assert!(formatted.contains("No output captured"));
+}
+
+#[test]
+fn test_format_failed_task_error_no_partial_output() {
+    let mut result =
+        create_test_task_result("task4", TaskStatus::Failed, Some("Error".to_string()));
+    result.data = Some(json!({}));
+
+    let formatted = format_failed_task_error(&result);
+
+    assert!(formatted.contains("No output captured"));
+}
+
+#[test]
+fn test_format_failed_task_error_no_data() {
+    let mut result =
+        create_test_task_result("task5", TaskStatus::Failed, Some("Error".to_string()));
+    result.data = None;
+
+    let formatted = format_failed_task_error(&result);
+
+    assert!(formatted.contains("No output captured"));
+}
+
+#[test]
+fn test_format_error_summary() {
+    let failed_tasks = vec![
+        "Task 'task1': Error 1\nOutput: output1".to_string(),
+        "Task 'task2': Error 2\nOutput: output2".to_string(),
+    ];
+
+    let summary = format_error_summary(2, 5, failed_tasks);
+
+    assert_eq!(summary, "2/5 tasks failed:\nTask 'task1': Error 1\nOutput: output1\nTask 'task2': Error 2\nOutput: output2");
+}
+
+#[test]
+fn test_format_error_summary_single_failure() {
+    let failed_tasks = vec!["Task 'task1': Error\nOutput: output".to_string()];
+
+    let summary = format_error_summary(1, 3, failed_tasks);
+
+    assert_eq!(
+        summary,
+        "1/3 tasks failed:\nTask 'task1': Error\nOutput: output"
+    );
+}
+
+#[test]
+fn test_handle_response_success() {
+    let results = vec![
+        create_test_task_result("task1", TaskStatus::Completed, None),
+        create_test_task_result("task2", TaskStatus::Completed, None),
+    ];
+    let response = create_test_execution_response(results, 0);
+
+    let result = handle_response(response);
+
+    assert!(result.is_ok());
+    let value = result.unwrap();
+    assert_eq!(value["status"], "completed");
+    assert_eq!(value["stats"]["failed"], 0);
+}
+
+#[test]
+fn test_handle_response_with_failures() {
+    let results = vec![
+        create_test_task_result("task1", TaskStatus::Completed, None),
+        create_test_task_result("task2", TaskStatus::Failed, Some("Test error".to_string())),
+    ];
+    let response = create_test_execution_response(results, 1);
+
+    let result = handle_response(response);
+
+    assert!(result.is_err());
+    let error = result.unwrap_err();
+    assert!(error.contains("1/2 tasks failed"));
+    assert!(error.contains("task2"));
+    assert!(error.contains("Test error"));
+}
+
+#[test]
+fn test_handle_response_all_failures() {
+    let results = vec![
+        create_test_task_result("task1", TaskStatus::Failed, Some("Error 1".to_string())),
+        create_test_task_result("task2", TaskStatus::Failed, Some("Error 2".to_string())),
+    ];
+    let response = create_test_execution_response(results, 2);
+
+    let result = handle_response(response);
+
+    assert!(result.is_err());
+    let error = result.unwrap_err();
+    assert!(error.contains("2/2 tasks failed"));
+    assert!(error.contains("task1"));
+    assert!(error.contains("task2"));
+    assert!(error.contains("Error 1"));
+    assert!(error.contains("Error 2"));
+}
+
+#[test]
+fn test_get_task_description() {
+    let result = create_test_task_result("test_task_123", TaskStatus::Completed, None);
+
+    let description = get_task_description(&result);
+
+    assert_eq!(description, "ID: test_task_123");
+}

crates/goose/src/agents/sub_recipe_execution_tool/mod.rs

@@ -1,6 +1,10 @@
 mod executor;
 pub mod lib;
+pub mod notification_events;
 pub mod sub_recipe_execute_task_tool;
+mod task_execution_tracker;
+mod task_types;
 mod tasks;
-mod types;
+pub mod tasks_manager;
+pub mod utils;
 mod workers;

crates/goose/src/agents/sub_recipe_execution_tool/notification_events.rs

@@ -0,0 +1,204 @@
+use crate::agents::sub_recipe_execution_tool::task_types::TaskStatus;
+use serde::{Deserialize, Serialize};
+use serde_json::Value;
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(tag = "subtype")]
+pub enum TaskExecutionNotificationEvent {
+    #[serde(rename = "line_output")]
+    LineOutput { task_id: String, output: String },
+    #[serde(rename = "tasks_update")]
+    TasksUpdate {
+        stats: TaskExecutionStats,
+        tasks: Vec<TaskInfo>,
+    },
+    #[serde(rename = "tasks_complete")]
+    TasksComplete {
+        stats: TaskCompletionStats,
+        failed_tasks: Vec<FailedTaskInfo>,
+    },
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct TaskExecutionStats {
+    pub total: usize,
+    pub pending: usize,
+    pub running: usize,
+    pub completed: usize,
+    pub failed: usize,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct TaskCompletionStats {
+    pub total: usize,
+    pub completed: usize,
+    pub failed: usize,
+    pub success_rate: f64,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct TaskInfo {
+    pub id: String,
+    pub status: TaskStatus,
+    pub duration_secs: Option<f64>,
+    pub current_output: String,
+    pub task_type: String,
+    pub task_name: String,
+    pub task_metadata: String,
+    pub error: Option<String>,
+    pub result_data: Option<Value>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct FailedTaskInfo {
+    pub id: String,
+    pub name: String,
+    pub error: Option<String>,
+}
+
+impl TaskExecutionNotificationEvent {
+    pub fn line_output(task_id: String, output: String) -> Self {
+        Self::LineOutput { task_id, output }
+    }
+
+    pub fn tasks_update(stats: TaskExecutionStats, tasks: Vec<TaskInfo>) -> Self {
+        Self::TasksUpdate { stats, tasks }
+    }
+
+    pub fn tasks_complete(stats: TaskCompletionStats, failed_tasks: Vec<FailedTaskInfo>) -> Self {
+        Self::TasksComplete {
+            stats,
+            failed_tasks,
+        }
+    }
+
+    /// Convert event to JSON format for MCP notification
+    pub fn to_notification_data(&self) -> serde_json::Value {
+        let mut event_data = serde_json::to_value(self).expect("Failed to serialize event");
+
+        // Add the type field at the root level
+        if let serde_json::Value::Object(ref mut map) = event_data {
+            map.insert(
+                "type".to_string(),
+                serde_json::Value::String("task_execution".to_string()),
+            );
+        }
+
+        event_data
+    }
+}
+
+impl TaskExecutionStats {
+    pub fn new(
+        total: usize,
+        pending: usize,
+        running: usize,
+        completed: usize,
+        failed: usize,
+    ) -> Self {
+        Self {
+            total,
+            pending,
+            running,
+            completed,
+            failed,
+        }
+    }
+}
+
+impl TaskCompletionStats {
+    pub fn new(total: usize, completed: usize, failed: usize) -> Self {
+        let success_rate = if total > 0 {
+            (completed as f64 / total as f64) * 100.0
+        } else {
+            0.0
+        };
+
+        Self {
+            total,
+            completed,
+            failed,
+            success_rate,
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_line_output_event_serialization() {
+        let event = TaskExecutionNotificationEvent::line_output(
+            "task-1".to_string(),
+            "Hello World".to_string(),
+        );
+
+        let notification_data = event.to_notification_data();
+        assert_eq!(notification_data["type"], "task_execution");
+        assert_eq!(notification_data["subtype"], "line_output");
+        assert_eq!(notification_data["task_id"], "task-1");
+        assert_eq!(notification_data["output"], "Hello World");
+    }
+
+    #[test]
+    fn test_tasks_update_event_serialization() {
+        let stats = TaskExecutionStats::new(5, 2, 1, 1, 1);
+        let tasks = vec![TaskInfo {
+            id: "task-1".to_string(),
+            status: TaskStatus::Running,
+            duration_secs: Some(1.5),
+            current_output: "Processing...".to_string(),
+            task_type: "sub_recipe".to_string(),
+            task_name: "test-task".to_string(),
+            task_metadata: "param=value".to_string(),
+            error: None,
+            result_data: None,
+        }];
+
+        let event = TaskExecutionNotificationEvent::tasks_update(stats, tasks);
+        let notification_data = event.to_notification_data();
+
+        assert_eq!(notification_data["type"], "task_execution");
+        assert_eq!(notification_data["subtype"], "tasks_update");
+        assert_eq!(notification_data["stats"]["total"], 5);
+        assert_eq!(notification_data["tasks"].as_array().unwrap().len(), 1);
+    }
+
+    #[test]
+    fn test_event_roundtrip_serialization() {
+        let original_event = TaskExecutionNotificationEvent::line_output(
+            "task-1".to_string(),
+            "Test output".to_string(),
+        );
+
+        // Serialize to JSON
+        let json_data = original_event.to_notification_data();
+
+        // Deserialize back to event (excluding the type field)
+        let mut event_data = json_data.clone();
+        if let serde_json::Value::Object(ref mut map) = event_data {
+            map.remove("type");
+        }
+
+        let deserialized_event: TaskExecutionNotificationEvent =
+            serde_json::from_value(event_data).expect("Failed to deserialize");
+
+        match (original_event, deserialized_event) {
+            (
+                TaskExecutionNotificationEvent::LineOutput {
+                    task_id: id1,
+                    output: out1,
+                },
+                TaskExecutionNotificationEvent::LineOutput {
+                    task_id: id2,
+                    output: out2,
+                },
+            ) => {
+                assert_eq!(id1, id2);
+                assert_eq!(out1, out2);
+            }
+            _ => panic!("Event types don't match after roundtrip"),
+        }
+    }
+}

crates/goose/src/agents/sub_recipe_execution_tool/sub_recipe_execute_task_tool.rs

@@ -2,17 +2,22 @@ use mcp_core::{tool::ToolAnnotations, Content, Tool, ToolError};
 use serde_json::Value;
 
 use crate::agents::{
-    sub_recipe_execution_tool::lib::execute_tasks, tool_execution::ToolCallResult,
+    sub_recipe_execution_tool::lib::execute_tasks,
+    sub_recipe_execution_tool::task_types::ExecutionMode,
+    sub_recipe_execution_tool::tasks_manager::TasksManager, tool_execution::ToolCallResult,
 };
+use mcp_core::protocol::JsonRpcMessage;
+use tokio::sync::mpsc;
+use tokio_stream;
 
 pub const SUB_RECIPE_EXECUTE_TASK_TOOL_NAME: &str = "sub_recipe__execute_task";
 pub fn create_sub_recipe_execute_task_tool() -> Tool {
     Tool::new(
         SUB_RECIPE_EXECUTE_TASK_TOOL_NAME,
         "Only use this tool when you execute sub recipe task.
-EXECUTION STRATEGY:
-- DEFAULT: Execute tasks sequentially (one at a time) unless user explicitly requests parallel execution
-- PARALLEL: Only when user explicitly uses keywords like 'parallel', 'simultaneously', 'at the same time', 'concurrently'
+EXECUTION STRATEGY DECISION:
+1. If the tasks are created with execution_mode, use the execution_mode.
+2. Execute tasks sequentially unless user explicitly requests parallel execution. PARALLEL: User uses keywords like 'parallel', 'simultaneously', 'at the same time', 'concurrently'
 
 IMPLEMENTATION:
 - Sequential execution: Call this tool multiple times, passing exactly ONE task per call
@@ -32,69 +37,15 @@ EXAMPLES:
                     "default": "sequential",
                     "description": "Execution strategy for multiple tasks. Use 'sequential' (default) unless user explicitly requests parallel execution with words like 'parallel', 'simultaneously', 'at the same time', or 'concurrently'."
                 },
-                "tasks": {
+                "task_ids": {
                     "type": "array",
                     "items": {
-                        "type": "object",
-                        "properties": {
-                            "id": {
                         "type": "string",
                         "description": "Unique identifier for the task"
-                            },
-                            "task_type": {
-                                "type": "string",
-                                "enum": ["sub_recipe", "text_instruction"],
-                                "default": "sub_recipe",
-                                "description": "the type of task to execute, can be one of: sub_recipe, text_instruction"
-                            },
-                            "payload": {
-                                "type": "object",
-                                "properties": {
-                                    "sub_recipe": {
-                                        "type": "object",
-                                        "description": "sub recipe to execute",
-                                        "properties": {
-                                            "name": {
-                                                "type": "string",
-                                                "description": "name of the sub recipe to execute"
-                                            },
-                                            "recipe_path": {
-                                                "type": "string",
-                                                "description": "path of the sub recipe file"
-                                            },
-                                            "command_parameters": {
-                                                "type": "object",
-                                                "description": "parameters to pass to run recipe command with sub recipe file"
                     }
                 }
             },
-                                    "text_instruction": {
-                                        "type": "string",
-                                        "description": "text instruction to execute"
-                                    }
-                                }
-                            }
-                        },
-                        "required": ["id", "payload"]
-                    },
-                    "description": "The tasks to run in parallel"
-                },
-                "config": {
-                    "type": "object",
-                    "properties": {
-                        "timeout_seconds": {
-                            "type": "number"
-                        },
-                        "max_workers": {
-                            "type": "number"
-                        },
-                        "initial_workers": {
-                            "type": "number"
-                        }
-                    }
-                }
-            },
-            "required": ["tasks"]
+            "required": ["task_ids"]
         }),
         Some(ToolAnnotations {
             title: Some("Run tasks in parallel".to_string()),
@@ -106,19 +57,38 @@ EXAMPLES:
     )
 }
 
-pub async fn run_tasks(execute_data: Value) -> ToolCallResult {
+pub async fn run_tasks(execute_data: Value, tasks_manager: &TasksManager) -> ToolCallResult {
+    let (notification_tx, notification_rx) = mpsc::channel::<JsonRpcMessage>(100);
+
+    let tasks_manager_clone = tasks_manager.clone();
+    let result_future = async move {
         let execute_data_clone = execute_data.clone();
-    let default_execution_mode_value = Value::String("sequential".to_string());
         let execution_mode = execute_data_clone
             .get("execution_mode")
-        .unwrap_or(&default_execution_mode_value)
-        .as_str()
-        .unwrap_or("sequential");
-    match execute_tasks(execute_data, execution_mode).await {
+            .and_then(|v| serde_json::from_value::<ExecutionMode>(v.clone()).ok())
+            .unwrap_or_default();
+
+        match execute_tasks(
+            execute_data,
+            execution_mode,
+            notification_tx,
+            &tasks_manager_clone,
+        )
+        .await
+        {
             Ok(result) => {
                 let output = serde_json::to_string(&result).unwrap();
-            ToolCallResult::from(Ok(vec![Content::text(output)]))
+                Ok(vec![Content::text(output)])
             }
-        Err(e) => ToolCallResult::from(Err(ToolError::ExecutionError(e.to_string()))),
+            Err(e) => Err(ToolError::ExecutionError(e.to_string())),
+        }
+    };
+
+    // Convert receiver to stream
+    let notification_stream = tokio_stream::wrappers::ReceiverStream::new(notification_rx);
+
+    ToolCallResult {
+        result: Box::new(Box::pin(result_future)),
+        notification_stream: Some(Box::new(notification_stream)),
     }
 }

crates/goose/src/agents/sub_recipe_execution_tool/task_execution_tracker.rs

@@ -0,0 +1,292 @@
+use mcp_core::protocol::{JsonRpcMessage, JsonRpcNotification};
+use serde_json::json;
+use std::collections::HashMap;
+use std::sync::Arc;
+use tokio::sync::{mpsc, RwLock};
+use tokio::time::{sleep, Duration, Instant};
+
+use crate::agents::sub_recipe_execution_tool::notification_events::{
+    FailedTaskInfo, TaskCompletionStats, TaskExecutionNotificationEvent, TaskExecutionStats,
+    TaskInfo as EventTaskInfo,
+};
+use crate::agents::sub_recipe_execution_tool::task_types::{
+    Task, TaskInfo, TaskResult, TaskStatus,
+};
+use crate::agents::sub_recipe_execution_tool::utils::{count_by_status, get_task_name};
+use serde_json::Value;
+
+#[derive(Debug, Clone, PartialEq)]
+pub enum DisplayMode {
+    MultipleTasksOutput,
+    SingleTaskOutput,
+}
+
+const THROTTLE_INTERVAL_MS: u64 = 250;
+const COMPLETION_NOTIFICATION_DELAY_MS: u64 = 500;
+
+fn format_task_metadata(task_info: &TaskInfo) -> String {
+    if let Some(params) = task_info.task.get_command_parameters() {
+        if params.is_empty() {
+            return String::new();
+        }
+
+        params
+            .iter()
+            .map(|(key, value)| {
+                let value_str = match value {
+                    Value::String(s) => s.clone(),
+                    _ => value.to_string(),
+                };
+                format!("{}={}", key, value_str)
+            })
+            .collect::<Vec<_>>()
+            .join(",")
+    } else {
+        String::new()
+    }
+}
+
+pub struct TaskExecutionTracker {
+    tasks: Arc<RwLock<HashMap<String, TaskInfo>>>,
+    last_refresh: Arc<RwLock<Instant>>,
+    notifier: mpsc::Sender<JsonRpcMessage>,
+    display_mode: DisplayMode,
+}
+
+impl TaskExecutionTracker {
+    pub fn new(
+        tasks: Vec<Task>,
+        display_mode: DisplayMode,
+        notifier: mpsc::Sender<JsonRpcMessage>,
+    ) -> Self {
+        let task_map = tasks
+            .into_iter()
+            .map(|task| {
+                let task_id = task.id.clone();
+                (
+                    task_id,
+                    TaskInfo {
+                        task,
+                        status: TaskStatus::Pending,
+                        start_time: None,
+                        end_time: None,
+                        result: None,
+                        current_output: String::new(),
+                    },
+                )
+            })
+            .collect();
+
+        Self {
+            tasks: Arc::new(RwLock::new(task_map)),
+            last_refresh: Arc::new(RwLock::new(Instant::now())),
+            notifier,
+            display_mode,
+        }
+    }
+
+    pub async fn start_task(&self, task_id: &str) {
+        let mut tasks = self.tasks.write().await;
+        if let Some(task_info) = tasks.get_mut(task_id) {
+            task_info.status = TaskStatus::Running;
+            task_info.start_time = Some(Instant::now());
+        }
+        drop(tasks);
+        self.force_refresh_display().await;
+    }
+
+    pub async fn complete_task(&self, task_id: &str, result: TaskResult) {
+        let mut tasks = self.tasks.write().await;
+        if let Some(task_info) = tasks.get_mut(task_id) {
+            task_info.status = result.status.clone();
+            task_info.end_time = Some(Instant::now());
+            task_info.result = Some(result);
+        }
+        drop(tasks);
+        self.force_refresh_display().await;
+    }
+
+    pub async fn get_current_output(&self, task_id: &str) -> Option<String> {
+        let tasks = self.tasks.read().await;
+        tasks
+            .get(task_id)
+            .map(|task_info| task_info.current_output.clone())
+    }
+
+    pub async fn send_live_output(&self, task_id: &str, line: &str) {
+        match self.display_mode {
+            DisplayMode::SingleTaskOutput => {
+                let tasks = self.tasks.read().await;
+                let task_info = tasks.get(task_id);
+
+                let formatted_line = if let Some(task_info) = task_info {
+                    let task_name = get_task_name(task_info);
+                    let task_type = task_info.task.task_type.clone();
+                    let metadata = format_task_metadata(task_info);
+
+                    if metadata.is_empty() {
+                        format!("[{} ({})] {}", task_name, task_type, line)
+                    } else {
+                        format!("[{} ({}) {}] {}", task_name, task_type, metadata, line)
+                    }
+                } else {
+                    line.to_string()
+                };
+                drop(tasks);
+
+                let event = TaskExecutionNotificationEvent::line_output(
+                    task_id.to_string(),
+                    formatted_line,
+                );
+
+                if let Err(e) =
+                    self.notifier
+                        .try_send(JsonRpcMessage::Notification(JsonRpcNotification {
+                            jsonrpc: "2.0".to_string(),
+                            method: "notifications/message".to_string(),
+                            params: Some(json!({
+                                "data": event.to_notification_data()
+                            })),
+                        }))
+                {
+                    tracing::warn!("Failed to send live output notification: {}", e);
+                }
+            }
+            DisplayMode::MultipleTasksOutput => {
+                let mut tasks = self.tasks.write().await;
+                if let Some(task_info) = tasks.get_mut(task_id) {
+                    task_info.current_output.push_str(line);
+                    task_info.current_output.push('\n');
+                }
+                drop(tasks);
+
+                if !self.should_throttle_refresh().await {
+                    self.refresh_display().await;
+                }
+            }
+        }
+    }
+
+    async fn should_throttle_refresh(&self) -> bool {
+        let now = Instant::now();
+        let mut last_refresh = self.last_refresh.write().await;
+
+        if now.duration_since(*last_refresh) > Duration::from_millis(THROTTLE_INTERVAL_MS) {
+            *last_refresh = now;
+            false
+        } else {
+            true
+        }
+    }
+
+    async fn send_tasks_update(&self) {
+        let tasks = self.tasks.read().await;
+        let task_list: Vec<_> = tasks.values().collect();
+        let (total, pending, running, completed, failed) = count_by_status(&tasks);
+
+        let stats = TaskExecutionStats::new(total, pending, running, completed, failed);
+
+        let event_tasks: Vec<EventTaskInfo> = task_list
+            .iter()
+            .map(|task_info| {
+                let now = Instant::now();
+                EventTaskInfo {
+                    id: task_info.task.id.clone(),
+                    status: task_info.status.clone(),
+                    duration_secs: task_info.start_time.map(|start| {
+                        if let Some(end) = task_info.end_time {
+                            end.duration_since(start).as_secs_f64()
+                        } else {
+                            now.duration_since(start).as_secs_f64()
+                        }
+                    }),
+                    current_output: task_info.current_output.clone(),
+                    task_type: task_info.task.task_type.clone(),
+                    task_name: get_task_name(task_info).to_string(),
+                    task_metadata: format_task_metadata(task_info),
+                    error: task_info.error().cloned(),
+                    result_data: task_info.data().cloned(),
+                }
+            })
+            .collect();
+
+        let event = TaskExecutionNotificationEvent::tasks_update(stats, event_tasks);
+
+        if let Err(e) = self
+            .notifier
+            .try_send(JsonRpcMessage::Notification(JsonRpcNotification {
+                jsonrpc: "2.0".to_string(),
+                method: "notifications/message".to_string(),
+                params: Some(json!({
+                    "data": event.to_notification_data()
+                })),
+            }))
+        {
+            tracing::warn!("Failed to send tasks update notification: {}", e);
+        }
+    }
+
+    pub async fn refresh_display(&self) {
+        match self.display_mode {
+            DisplayMode::MultipleTasksOutput => {
+                self.send_tasks_update().await;
+            }
+            DisplayMode::SingleTaskOutput => {
+                // No dashboard display needed for single task output mode
+                // Live output is handled via send_live_output method
+            }
+        }
+    }
+
+    // Force refresh without throttling - used for important status changes
+    async fn force_refresh_display(&self) {
+        match self.display_mode {
+            DisplayMode::MultipleTasksOutput => {
+                // Reset throttle timer to allow immediate update
+                let mut last_refresh = self.last_refresh.write().await;
+                *last_refresh = Instant::now() - Duration::from_millis(THROTTLE_INTERVAL_MS + 1);
+                drop(last_refresh);
+
+                self.send_tasks_update().await;
+            }
+            DisplayMode::SingleTaskOutput => {
+                // No dashboard display needed for single task output mode
+            }
+        }
+    }
+
+    pub async fn send_tasks_complete(&self) {
+        let tasks = self.tasks.read().await;
+        let (total, _, _, completed, failed) = count_by_status(&tasks);
+
+        let stats = TaskCompletionStats::new(total, completed, failed);
+
+        let failed_tasks: Vec<FailedTaskInfo> = tasks
+            .values()
+            .filter(|task_info| matches!(task_info.status, TaskStatus::Failed))
+            .map(|task_info| FailedTaskInfo {
+                id: task_info.task.id.clone(),
+                name: get_task_name(task_info).to_string(),
+                error: task_info.error().cloned(),
+            })
+            .collect();
+
+        let event = TaskExecutionNotificationEvent::tasks_complete(stats, failed_tasks);
+
+        if let Err(e) = self
+            .notifier
+            .try_send(JsonRpcMessage::Notification(JsonRpcNotification {
+                jsonrpc: "2.0".to_string(),
+                method: "notifications/message".to_string(),
+                params: Some(json!({
+                    "data": event.to_notification_data()
+                })),
+            }))
+        {
+            tracing::warn!("Failed to send tasks complete notification: {}", e);
+        }
+
+        // Brief delay to ensure completion notification is processed
+        sleep(Duration::from_millis(COMPLETION_NOTIFICATION_DELAY_MS)).await;
+    }
+}

crates/goose/src/agents/sub_recipe_execution_tool/task_types.rs

@@ -0,0 +1,145 @@
+use serde::{Deserialize, Serialize};
+use serde_json::{Map, Value};
+use std::sync::atomic::{AtomicUsize, Ordering};
+use std::sync::Arc;
+use tokio::sync::mpsc;
+
+use crate::agents::sub_recipe_execution_tool::task_execution_tracker::TaskExecutionTracker;
+
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Default)]
+#[serde(rename_all = "lowercase")]
+pub enum ExecutionMode {
+    #[default]
+    Sequential,
+    Parallel,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct Task {
+    pub id: String,
+    pub task_type: String,
+    pub payload: Value,
+}
+
+impl Task {
+    pub fn get_sub_recipe(&self) -> Option<&Map<String, Value>> {
+        (self.task_type == "sub_recipe")
+            .then(|| self.payload.get("sub_recipe")?.as_object())
+            .flatten()
+    }
+
+    pub fn get_sequential_when_repeated(&self) -> bool {
+        self.get_sub_recipe()
+            .and_then(|sr| sr.get("sequential_when_repeated").and_then(|v| v.as_bool()))
+            .unwrap_or_default()
+    }
+
+    pub fn get_command_parameters(&self) -> Option<&Map<String, Value>> {
+        self.get_sub_recipe()
+            .and_then(|sr| sr.get("command_parameters"))
+            .and_then(|cp| cp.as_object())
+    }
+
+    pub fn get_sub_recipe_name(&self) -> Option<&str> {
+        self.get_sub_recipe()
+            .and_then(|sr| sr.get("name"))
+            .and_then(|name| name.as_str())
+    }
+
+    pub fn get_sub_recipe_path(&self) -> Option<&str> {
+        self.get_sub_recipe()
+            .and_then(|sr| sr.get("recipe_path"))
+            .and_then(|path| path.as_str())
+    }
+
+    pub fn get_text_instruction(&self) -> Option<&str> {
+        if self.task_type != "sub_recipe" {
+            self.payload
+                .get("text_instruction")
+                .and_then(|text| text.as_str())
+        } else {
+            None
+        }
+    }
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct TaskResult {
+    pub task_id: String,
+    pub status: TaskStatus,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub data: Option<Value>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub error: Option<String>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub enum TaskStatus {
+    Pending,
+    Running,
+    Completed,
+    Failed,
+}
+
+impl std::fmt::Display for TaskStatus {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            TaskStatus::Pending => write!(f, "Pending"),
+            TaskStatus::Running => write!(f, "Running"),
+            TaskStatus::Completed => write!(f, "Completed"),
+            TaskStatus::Failed => write!(f, "Failed"),
+        }
+    }
+}
+
+#[derive(Debug, Clone)]
+pub struct TaskInfo {
+    pub task: Task,
+    pub status: TaskStatus,
+    pub start_time: Option<tokio::time::Instant>,
+    pub end_time: Option<tokio::time::Instant>,
+    pub result: Option<TaskResult>,
+    pub current_output: String,
+}
+
+impl TaskInfo {
+    pub fn error(&self) -> Option<&String> {
+        self.result.as_ref().and_then(|r| r.error.as_ref())
+    }
+
+    pub fn data(&self) -> Option<&Value> {
+        self.result.as_ref().and_then(|r| r.data.as_ref())
+    }
+}
+
+pub struct SharedState {
+    pub task_receiver: Arc<tokio::sync::Mutex<mpsc::Receiver<Task>>>,
+    pub result_sender: mpsc::Sender<TaskResult>,
+    pub active_workers: Arc<AtomicUsize>,
+    pub task_execution_tracker: Arc<TaskExecutionTracker>,
+}
+
+impl SharedState {
+    pub fn increment_active_workers(&self) {
+        self.active_workers.fetch_add(1, Ordering::SeqCst);
+    }
+
+    pub fn decrement_active_workers(&self) {
+        self.active_workers.fetch_sub(1, Ordering::SeqCst);
+    }
+}
+
+#[derive(Debug, Serialize)]
+pub struct ExecutionStats {
+    pub total_tasks: usize,
+    pub completed: usize,
+    pub failed: usize,
+    pub execution_time_ms: u128,
+}
+
+#[derive(Debug, Serialize)]
+pub struct ExecutionResponse {
+    pub status: String,
+    pub results: Vec<TaskResult>,
+    pub stats: ExecutionStats,
+}

crates/goose/src/agents/sub_recipe_execution_tool/tasks.rs

@@ -1,76 +1,98 @@
 use serde_json::Value;
 use std::process::Stdio;
-use std::time::Duration;
+use std::sync::Arc;
 use tokio::io::{AsyncBufReadExt, BufReader};
 use tokio::process::Command;
-use tokio::time::timeout;
 
-use crate::agents::sub_recipe_execution_tool::types::{Task, TaskResult};
+use crate::agents::sub_recipe_execution_tool::task_execution_tracker::TaskExecutionTracker;
+use crate::agents::sub_recipe_execution_tool::task_types::{Task, TaskResult, TaskStatus};
 
-// Process a single task based on its type
-pub async fn process_task(task: &Task, timeout_seconds: u64) -> TaskResult {
-    let task_clone = task.clone();
-    let timeout_duration = Duration::from_secs(timeout_seconds);
-
-    // Execute with timeout
-    match timeout(timeout_duration, execute_task(task_clone)).await {
-        Ok(Ok(data)) => TaskResult {
+pub async fn process_task(
+    task: &Task,
+    task_execution_tracker: Arc<TaskExecutionTracker>,
+) -> TaskResult {
+    match get_task_result(task.clone(), task_execution_tracker).await {
+        Ok(data) => TaskResult {
             task_id: task.id.clone(),
-            status: "success".to_string(),
+            status: TaskStatus::Completed,
             data: Some(data),
             error: None,
         },
-        Ok(Err(error)) => TaskResult {
+        Err(error) => TaskResult {
             task_id: task.id.clone(),
-            status: "failed".to_string(),
+            status: TaskStatus::Failed,
             data: None,
             error: Some(error),
         },
-        Err(_) => TaskResult {
-            task_id: task.id.clone(),
-            status: "failed".to_string(),
-            data: None,
-            error: Some("Task timeout".to_string()),
-        },
     }
 }
 
-async fn execute_task(task: Task) -> Result<Value, String> {
+async fn get_task_result(
+    task: Task,
+    task_execution_tracker: Arc<TaskExecutionTracker>,
+) -> Result<Value, String> {
+    let (command, output_identifier) = build_command(&task)?;
+    let (stdout_output, stderr_output, success) = run_command(
+        command,
+        &output_identifier,
+        &task.id,
+        task_execution_tracker,
+    )
+    .await?;
+
+    if success {
+        process_output(stdout_output)
+    } else {
+        Err(format!("Command failed:\n{}", stderr_output))
+    }
+}
+
+fn build_command(task: &Task) -> Result<(Command, String), String> {
+    let task_error = |field: &str| format!("Task {}: Missing {}", task.id, field);
+
     let mut output_identifier = task.id.clone();
     let mut command = if task.task_type == "sub_recipe" {
-        let sub_recipe = task.payload.get("sub_recipe").unwrap();
-        let sub_recipe_name = sub_recipe.get("name").unwrap().as_str().unwrap();
-        let path = sub_recipe.get("recipe_path").unwrap().as_str().unwrap();
-        let command_parameters = sub_recipe.get("command_parameters").unwrap();
+        let sub_recipe_name = task
+            .get_sub_recipe_name()
+            .ok_or_else(|| task_error("sub_recipe name"))?;
+        let path = task
+            .get_sub_recipe_path()
+            .ok_or_else(|| task_error("sub_recipe path"))?;
+        let command_parameters = task
+            .get_command_parameters()
+            .ok_or_else(|| task_error("command_parameters"))?;
+
         output_identifier = format!("sub-recipe {}", sub_recipe_name);
         let mut cmd = Command::new("goose");
-        cmd.arg("run").arg("--recipe").arg(path);
-        if let Some(params_map) = command_parameters.as_object() {
-            for (key, value) in params_map {
+        cmd.arg("run").arg("--recipe").arg(path).arg("--no-session");
+
+        for (key, value) in command_parameters {
             let key_str = key.to_string();
             let value_str = value.as_str().unwrap_or(&value.to_string()).to_string();
             cmd.arg("--params")
                 .arg(format!("{}={}", key_str, value_str));
         }
-        }
         cmd
     } else {
         let text = task
-            .payload
-            .get("text_instruction")
-            .unwrap()
-            .as_str()
-            .unwrap();
+            .get_text_instruction()
+            .ok_or_else(|| task_error("text_instruction"))?;
         let mut cmd = Command::new("goose");
         cmd.arg("run").arg("--text").arg(text);
         cmd
     };
 
-    // Configure to capture stdout
     command.stdout(Stdio::piped());
     command.stderr(Stdio::piped());
+    Ok((command, output_identifier))
+}
 
-    // Spawn the child process
+async fn run_command(
+    mut command: Command,
+    output_identifier: &str,
+    task_id: &str,
+    task_execution_tracker: Arc<TaskExecutionTracker>,
+) -> Result<(String, String, bool), String> {
     let mut child = command
         .spawn()
         .map_err(|e| format!("Failed to spawn goose: {}", e))?;
@@ -78,30 +100,20 @@ async fn execute_task(task: Task) -> Result<Value, String> {
     let stdout = child.stdout.take().expect("Failed to capture stdout");
     let stderr = child.stderr.take().expect("Failed to capture stderr");
 
-    let mut stdout_reader = BufReader::new(stdout).lines();
-    let mut stderr_reader = BufReader::new(stderr).lines();
-
-    // Spawn background tasks to read from stdout and stderr
-    let output_identifier_clone = output_identifier.clone();
-    let stdout_task = tokio::spawn(async move {
-        let mut buffer = String::new();
-        while let Ok(Some(line)) = stdout_reader.next_line().await {
-            println!("[{}] {}", output_identifier_clone, line);
-            buffer.push_str(&line);
-            buffer.push('\n');
-        }
-        buffer
-    });
-
-    let stderr_task = tokio::spawn(async move {
-        let mut buffer = String::new();
-        while let Ok(Some(line)) = stderr_reader.next_line().await {
-            eprintln!("[stderr for {}] {}", output_identifier, line);
-            buffer.push_str(&line);
-            buffer.push('\n');
-        }
-        buffer
-    });
+    let stdout_task = spawn_output_reader(
+        stdout,
+        output_identifier,
+        false,
+        task_id,
+        task_execution_tracker.clone(),
+    );
+    let stderr_task = spawn_output_reader(
+        stderr,
+        output_identifier,
+        true,
+        task_id,
+        task_execution_tracker.clone(),
+    );
 
     let status = child
         .wait()
@@ -111,9 +123,63 @@ async fn execute_task(task: Task) -> Result<Value, String> {
     let stdout_output = stdout_task.await.unwrap();
     let stderr_output = stderr_task.await.unwrap();
 
-    if status.success() {
-        Ok(Value::String(stdout_output))
+    Ok((stdout_output, stderr_output, status.success()))
+}
+
+fn spawn_output_reader(
+    reader: impl tokio::io::AsyncRead + Unpin + Send + 'static,
+    output_identifier: &str,
+    is_stderr: bool,
+    task_id: &str,
+    task_execution_tracker: Arc<TaskExecutionTracker>,
+) -> tokio::task::JoinHandle<String> {
+    let output_identifier = output_identifier.to_string();
+    let task_id = task_id.to_string();
+    tokio::spawn(async move {
+        let mut buffer = String::new();
+        let mut lines = BufReader::new(reader).lines();
+        while let Ok(Some(line)) = lines.next_line().await {
+            buffer.push_str(&line);
+            buffer.push('\n');
+
+            if !is_stderr {
+                task_execution_tracker
+                    .send_live_output(&task_id, &line)
+                    .await;
             } else {
-        Err(format!("Command failed:\n{}", stderr_output))
+                tracing::warn!("Task stderr [{}]: {}", output_identifier, line);
+            }
+        }
+        buffer
+    })
+}
+
+fn extract_json_from_line(line: &str) -> Option<String> {
+    let start = line.find('{')?;
+    let end = line.rfind('}')?;
+
+    if start >= end {
+        return None;
+    }
+
+    let potential_json = &line[start..=end];
+    if serde_json::from_str::<Value>(potential_json).is_ok() {
+        Some(potential_json.to_string())
+    } else {
+        None
+    }
+}
+
+fn process_output(stdout_output: String) -> Result<Value, String> {
+    let last_line = stdout_output
+        .lines()
+        .filter(|line| !line.trim().is_empty())
+        .next_back()
+        .unwrap_or("");
+
+    if let Some(json_string) = extract_json_from_line(last_line) {
+        Ok(Value::String(json_string))
+    } else {
+        Ok(Value::String(stdout_output))
     }
 }

crates/goose/src/agents/sub_recipe_execution_tool/tasks_manager.rs

@@ -0,0 +1,86 @@
+use std::collections::HashMap;
+use std::sync::Arc;
+use tokio::sync::RwLock;
+
+use crate::agents::sub_recipe_execution_tool::task_types::Task;
+
+#[derive(Debug, Clone)]
+pub struct TasksManager {
+    tasks: Arc<RwLock<HashMap<String, Task>>>,
+}
+
+impl Default for TasksManager {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
+impl TasksManager {
+    pub fn new() -> Self {
+        Self {
+            tasks: Arc::new(RwLock::new(HashMap::new())),
+        }
+    }
+
+    pub async fn save_tasks(&self, tasks: Vec<Task>) {
+        let mut task_map = self.tasks.write().await;
+        for task in tasks {
+            task_map.insert(task.id.clone(), task);
+        }
+    }
+
+    pub async fn get_task(&self, task_id: &str) -> Option<Task> {
+        let tasks = self.tasks.read().await;
+        tasks.get(task_id).cloned()
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use serde_json::json;
+
+    fn create_test_task(id: &str, sub_recipe_name: &str) -> Task {
+        Task {
+            id: id.to_string(),
+            task_type: "sub_recipe".to_string(),
+            payload: json!({
+                "sub_recipe": {
+                    "name": sub_recipe_name,
+                    "command_parameters": {},
+                    "recipe_path": "/test/path"
+                }
+            }),
+        }
+    }
+
+    #[tokio::test]
+    async fn test_save_and_get_task() {
+        let manager = TasksManager::new();
+        let tasks = vec![create_test_task("task1", "weather")];
+
+        manager.save_tasks(tasks).await;
+
+        let retrieved = manager.get_task("task1").await;
+        assert!(retrieved.is_some());
+        assert_eq!(retrieved.unwrap().id, "task1");
+    }
+
+    #[tokio::test]
+    async fn test_save_multiple_tasks() {
+        let manager = TasksManager::new();
+        let tasks = vec![
+            create_test_task("task1", "weather"),
+            create_test_task("task2", "news"),
+        ];
+
+        manager.save_tasks(tasks).await;
+
+        let task1 = manager.get_task("task1").await;
+        let task2 = manager.get_task("task2").await;
+        assert!(task1.is_some());
+        assert!(task2.is_some());
+        assert_eq!(task1.unwrap().id, "task1");
+        assert_eq!(task2.unwrap().id, "task2");
+    }
+}

crates/goose/src/agents/sub_recipe_execution_tool/types.rs

@@ -1,69 +0,0 @@
-use serde::{Deserialize, Serialize};
-use serde_json::Value;
-
-// Task definition that LLMs will send
-#[derive(Debug, Clone, Serialize, Deserialize)]
-pub struct Task {
-    pub id: String,
-    pub task_type: String,
-    pub payload: Value,
-}
-
-// Result for each task
-#[derive(Debug, Clone, Serialize, Deserialize)]
-pub struct TaskResult {
-    pub task_id: String,
-    pub status: String,
-    #[serde(skip_serializing_if = "Option::is_none")]
-    pub data: Option<Value>,
-    #[serde(skip_serializing_if = "Option::is_none")]
-    pub error: Option<String>,
-}
-
-// Configuration for the parallel executor
-#[derive(Debug, Clone, Deserialize)]
-pub struct Config {
-    #[serde(default = "default_max_workers")]
-    pub max_workers: usize,
-    #[serde(default = "default_timeout")]
-    pub timeout_seconds: u64,
-    #[serde(default = "default_initial_workers")]
-    pub initial_workers: usize,
-}
-
-impl Default for Config {
-    fn default() -> Self {
-        Self {
-            max_workers: default_max_workers(),
-            timeout_seconds: default_timeout(),
-            initial_workers: default_initial_workers(),
-        }
-    }
-}
-
-fn default_max_workers() -> usize {
-    10
-}
-fn default_timeout() -> u64 {
-    300
-}
-fn default_initial_workers() -> usize {
-    2
-}
-
-// Stats for the execution
-#[derive(Debug, Serialize)]
-pub struct ExecutionStats {
-    pub total_tasks: usize,
-    pub completed: usize,
-    pub failed: usize,
-    pub execution_time_ms: u128,
-}
-
-// Main response structure
-#[derive(Debug, Serialize)]
-pub struct ExecutionResponse {
-    pub status: String,
-    pub results: Vec<TaskResult>,
-    pub stats: ExecutionStats,
-}

crates/goose/src/agents/sub_recipe_execution_tool/utils/mod.rs

@@ -0,0 +1,27 @@
+use std::collections::HashMap;
+
+use crate::agents::sub_recipe_execution_tool::task_types::{TaskInfo, TaskStatus};
+
+pub fn get_task_name(task_info: &TaskInfo) -> &str {
+    task_info
+        .task
+        .get_sub_recipe_name()
+        .unwrap_or(&task_info.task.id)
+}
+
+pub fn count_by_status(tasks: &HashMap<String, TaskInfo>) -> (usize, usize, usize, usize, usize) {
+    let total = tasks.len();
+    let (pending, running, completed, failed) = tasks.values().fold(
+        (0, 0, 0, 0),
+        |(pending, running, completed, failed), task| match task.status {
+            TaskStatus::Pending => (pending + 1, running, completed, failed),
+            TaskStatus::Running => (pending, running + 1, completed, failed),
+            TaskStatus::Completed => (pending, running, completed + 1, failed),
+            TaskStatus::Failed => (pending, running, completed, failed + 1),
+        },
+    );
+    (total, pending, running, completed, failed)
+}
+
+#[cfg(test)]
+mod tests;

crates/goose/src/agents/sub_recipe_execution_tool/utils/tests.rs

@@ -0,0 +1,154 @@
+use crate::agents::sub_recipe_execution_tool::task_types::{Task, TaskInfo, TaskStatus};
+use crate::agents::sub_recipe_execution_tool::utils::{count_by_status, get_task_name};
+use serde_json::json;
+use std::collections::HashMap;
+
+fn create_task_info_with_defaults(task: Task, status: TaskStatus) -> TaskInfo {
+    TaskInfo {
+        task,
+        status,
+        start_time: None,
+        end_time: None,
+        result: None,
+        current_output: String::new(),
+    }
+}
+
+mod test_get_task_name {
+    use super::*;
+
+    #[test]
+    fn test_extracts_sub_recipe_name() {
+        let sub_recipe_task = Task {
+            id: "task_1".to_string(),
+            task_type: "sub_recipe".to_string(),
+            payload: json!({
+                "sub_recipe": {
+                    "name": "my_recipe",
+                    "recipe_path": "/path/to/recipe"
+                }
+            }),
+        };
+
+        let task_info = create_task_info_with_defaults(sub_recipe_task, TaskStatus::Pending);
+
+        assert_eq!(get_task_name(&task_info), "my_recipe");
+    }
+
+    #[test]
+    fn falls_back_to_task_id_for_text_instruction() {
+        let text_task = Task {
+            id: "task_2".to_string(),
+            task_type: "text_instruction".to_string(),
+            payload: json!({"text_instruction": "do something"}),
+        };
+
+        let task_info = create_task_info_with_defaults(text_task, TaskStatus::Pending);
+
+        assert_eq!(get_task_name(&task_info), "task_2");
+    }
+
+    #[test]
+    fn falls_back_to_task_id_when_sub_recipe_name_missing() {
+        let malformed_task = Task {
+            id: "task_3".to_string(),
+            task_type: "sub_recipe".to_string(),
+            payload: json!({
+                "sub_recipe": {
+                    "recipe_path": "/path/to/recipe"
+                    // missing "name" field
+                }
+            }),
+        };
+
+        let task_info = create_task_info_with_defaults(malformed_task, TaskStatus::Pending);
+
+        assert_eq!(get_task_name(&task_info), "task_3");
+    }
+
+    #[test]
+    fn falls_back_to_task_id_when_sub_recipe_missing() {
+        let malformed_task = Task {
+            id: "task_4".to_string(),
+            task_type: "sub_recipe".to_string(),
+            payload: json!({}), // missing "sub_recipe" field
+        };
+
+        let task_info = create_task_info_with_defaults(malformed_task, TaskStatus::Pending);
+
+        assert_eq!(get_task_name(&task_info), "task_4");
+    }
+}
+
+mod count_by_status {
+    use super::*;
+
+    fn create_test_task(id: &str, status: TaskStatus) -> TaskInfo {
+        let task = Task {
+            id: id.to_string(),
+            task_type: "test".to_string(),
+            payload: json!({}),
+        };
+        create_task_info_with_defaults(task, status)
+    }
+
+    #[test]
+    fn counts_empty_map() {
+        let tasks = HashMap::new();
+        let (total, pending, running, completed, failed) = count_by_status(&tasks);
+        assert_eq!(
+            (total, pending, running, completed, failed),
+            (0, 0, 0, 0, 0)
+        );
+    }
+
+    #[test]
+    fn counts_single_status() {
+        let mut tasks = HashMap::new();
+        tasks.insert(
+            "task1".to_string(),
+            create_test_task("task1", TaskStatus::Pending),
+        );
+        tasks.insert(
+            "task2".to_string(),
+            create_test_task("task2", TaskStatus::Pending),
+        );
+
+        let (total, pending, running, completed, failed) = count_by_status(&tasks);
+        assert_eq!(
+            (total, pending, running, completed, failed),
+            (2, 2, 0, 0, 0)
+        );
+    }
+
+    #[test]
+    fn counts_mixed_statuses() {
+        let mut tasks = HashMap::new();
+        tasks.insert(
+            "task1".to_string(),
+            create_test_task("task1", TaskStatus::Pending),
+        );
+        tasks.insert(
+            "task2".to_string(),
+            create_test_task("task2", TaskStatus::Running),
+        );
+        tasks.insert(
+            "task3".to_string(),
+            create_test_task("task3", TaskStatus::Completed),
+        );
+        tasks.insert(
+            "task4".to_string(),
+            create_test_task("task4", TaskStatus::Failed),
+        );
+        tasks.insert(
+            "task5".to_string(),
+            create_test_task("task5", TaskStatus::Completed),
+        );
+
+        let (total, pending, running, completed, failed) = count_by_status(&tasks);
+        assert_eq!(
+            (total, pending, running, completed, failed),
+            (5, 1, 1, 2, 1)
+        );
+    }
+}

crates/goose/src/agents/sub_recipe_execution_tool/workers.rs

@@ -1,133 +1,30 @@
+use crate::agents::sub_recipe_execution_tool::task_types::{SharedState, Task};
 use crate::agents::sub_recipe_execution_tool::tasks::process_task;
-use crate::agents::sub_recipe_execution_tool::types::{Task, TaskResult};
-use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
 use std::sync::Arc;
-use tokio::sync::mpsc;
-use tokio::time::{sleep, Duration};
 
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use crate::agents::sub_recipe_execution_tool::types::Task;
-
-    #[tokio::test]
-    async fn test_spawn_worker_returns_handle() {
-        // Create a simple shared state for testing
-        let (task_tx, task_rx) = mpsc::channel::<Task>(1);
-        let (result_tx, _result_rx) = mpsc::channel::<TaskResult>(1);
-
-        let shared_state = Arc::new(SharedState {
-            task_receiver: Arc::new(tokio::sync::Mutex::new(task_rx)),
-            result_sender: result_tx,
-            active_workers: Arc::new(AtomicUsize::new(0)),
-            should_stop: Arc::new(AtomicBool::new(false)),
-            completed_tasks: Arc::new(AtomicUsize::new(0)),
-        });
-
-        // Test that spawn_worker returns a JoinHandle
-        let handle = spawn_worker(shared_state.clone(), 0, 5);
-
-        // Verify it's a JoinHandle by checking we can abort it
-        assert!(!handle.is_finished());
-
-        // Signal stop and close the channel to let the worker exit
-        shared_state.should_stop.store(true, Ordering::SeqCst);
-        drop(task_tx); // Close the channel
-
-        // Wait for the worker to finish
-        let result = handle.await;
-        assert!(result.is_ok());
-    }
+async fn receive_task(state: &SharedState) -> Option<Task> {
+    let mut receiver = state.task_receiver.lock().await;
+    receiver.recv().await
 }
 
-pub struct SharedState {
-    pub task_receiver: Arc<tokio::sync::Mutex<mpsc::Receiver<Task>>>,
-    pub result_sender: mpsc::Sender<TaskResult>,
-    pub active_workers: Arc<AtomicUsize>,
-    pub should_stop: Arc<AtomicBool>,
-    pub completed_tasks: Arc<AtomicUsize>,
-}
-
-// Spawn a worker task
-pub fn spawn_worker(
-    state: Arc<SharedState>,
-    worker_id: usize,
-    timeout_seconds: u64,
-) -> tokio::task::JoinHandle<()> {
-    state.active_workers.fetch_add(1, Ordering::SeqCst);
+pub fn spawn_worker(state: Arc<SharedState>, worker_id: usize) -> tokio::task::JoinHandle<()> {
+    state.increment_active_workers();
 
     tokio::spawn(async move {
-        worker_loop(state, worker_id, timeout_seconds).await;
+        worker_loop(state, worker_id).await;
     })
 }
 
-async fn worker_loop(state: Arc<SharedState>, _worker_id: usize, timeout_seconds: u64) {
-    loop {
-        // Try to receive a task
-        let task = {
-            let mut receiver = state.task_receiver.lock().await;
-            receiver.recv().await
-        };
+async fn worker_loop(state: Arc<SharedState>, _worker_id: usize) {
+    while let Some(task) = receive_task(&state).await {
+        state.task_execution_tracker.start_task(&task.id).await;
+        let result = process_task(&task, state.task_execution_tracker.clone()).await;
 
-        match task {
-            Some(task) => {
-                // Process the task
-                let result = process_task(&task, timeout_seconds).await;
-
-                // Send result
-                let _ = state.result_sender.send(result).await;
-
-                // Update completed count
-                state.completed_tasks.fetch_add(1, Ordering::SeqCst);
-            }
-            None => {
-                // Channel closed, exit worker
+        if let Err(e) = state.result_sender.send(result).await {
+            tracing::error!("Worker failed to send result: {}", e);
             break;
         }
     }
 
-        // Check if we should stop
-        if state.should_stop.load(Ordering::SeqCst) {
-            break;
-        }
-    }
-
-    // Worker is exiting
-    state.active_workers.fetch_sub(1, Ordering::SeqCst);
-}
-
-// Scaling controller that monitors queue and spawns workers
-pub async fn run_scaler(
-    state: Arc<SharedState>,
-    task_count: usize,
-    max_workers: usize,
-    timeout_seconds: u64,
-) {
-    let mut worker_count = 0;
-
-    loop {
-        sleep(Duration::from_millis(100)).await;
-
-        let active = state.active_workers.load(Ordering::SeqCst);
-        let completed = state.completed_tasks.load(Ordering::SeqCst);
-        let pending = task_count.saturating_sub(completed);
-
-        // Simple scaling logic: spawn worker if many pending tasks and under limit
-        if pending > active * 2 && active < max_workers && worker_count < max_workers {
-            let _handle = spawn_worker(state.clone(), worker_count, timeout_seconds);
-            worker_count += 1;
-        }
-
-        // If all tasks completed, signal stop
-        if completed >= task_count {
-            state.should_stop.store(true, Ordering::SeqCst);
-            break;
-        }
-
-        // If no active workers and tasks remaining, spawn one
-        if active == 0 && pending > 0 {
-            let _handle = spawn_worker(state.clone(), worker_count, timeout_seconds);
-            worker_count += 1;
-        }
-    }
+    state.decrement_active_workers();
 }

crates/goose/src/agents/sub_recipe_manager.rs

@@ -7,6 +7,7 @@ use crate::{
         recipe_tools::sub_recipe_tools::{
             create_sub_recipe_task, create_sub_recipe_task_tool, SUB_RECIPE_TASK_TOOL_NAME_PREFIX,
         },
+        sub_recipe_execution_tool::tasks_manager::TasksManager,
         tool_execution::ToolCallResult,
     },
     recipe::SubRecipe,
@@ -34,12 +35,6 @@ impl SubRecipeManager {
 
     pub fn add_sub_recipe_tools(&mut self, sub_recipes_to_add: Vec<SubRecipe>) {
         for sub_recipe in sub_recipes_to_add {
-            // let sub_recipe_key = format!(
-            //     "{}_{}",
-            //     SUB_RECIPE_TOOL_NAME_PREFIX,
-            //     sub_recipe.name.clone()
-            // );
-            // let tool = create_sub_recipe_tool(&sub_recipe);
             let sub_recipe_key = format!(
                 "{}_{}",
                 SUB_RECIPE_TASK_TOOL_NAME_PREFIX,
@@ -59,43 +54,22 @@ impl SubRecipeManager {
         &self,
         tool_name: &str,
         params: Value,
+        tasks_manager: &TasksManager,
     ) -> ToolCallResult {
-        let result = self.call_sub_recipe_tool(tool_name, params).await;
+        let result = self
+            .call_sub_recipe_tool(tool_name, params, tasks_manager)
+            .await;
         match result {
             Ok(call_result) => ToolCallResult::from(Ok(call_result)),
             Err(e) => ToolCallResult::from(Err(ToolError::ExecutionError(e.to_string()))),
         }
     }
 
-    // async fn call_sub_recipe_tool(
-    //     &self,
-    //     tool_name: &str,
-    //     params: Value,
-    // ) -> Result<Vec<Content>, ToolError> {
-    //     let sub_recipe = self.sub_recipes.get(tool_name).ok_or_else(|| {
-    //         let sub_recipe_name = tool_name
-    //             .strip_prefix(SUB_RECIPE_TOOL_NAME_PREFIX)
-    //             .and_then(|s| s.strip_prefix("_"))
-    //             .ok_or_else(|| {
-    //                 ToolError::InvalidParameters(format!(
-    //                     "Invalid sub-recipe tool name format: {}",
-    //                     tool_name
-    //                 ))
-    //             })
-    //             .unwrap();
-
-    //         ToolError::InvalidParameters(format!("Sub-recipe '{}' not found", sub_recipe_name))
-    //     })?;
-
-    //     let output = run_sub_recipe(sub_recipe, params).await.map_err(|e| {
-    //         ToolError::ExecutionError(format!("Sub-recipe execution failed: {}", e))
-    //     })?;
-    //     Ok(vec![Content::text(output)])
-    // }
     async fn call_sub_recipe_tool(
         &self,
         tool_name: &str,
         params: Value,
+        tasks_manager: &TasksManager,
     ) -> Result<Vec<Content>, ToolError> {
         let sub_recipe = self.sub_recipes.get(tool_name).ok_or_else(|| {
             let sub_recipe_name = tool_name
@@ -111,11 +85,10 @@ impl SubRecipeManager {
 
             ToolError::InvalidParameters(format!("Sub-recipe '{}' not found", sub_recipe_name))
         })?;
-
-        let output = create_sub_recipe_task(sub_recipe, params)
+        let output = create_sub_recipe_task(sub_recipe, params, tasks_manager)
             .await
             .map_err(|e| {
-                ToolError::ExecutionError(format!("Sub-recipe execution failed: {}", e))
+                ToolError::ExecutionError(format!("Sub-recipe task createion failed: {}", e))
             })?;
         Ok(vec![Content::text(output)])
     }

crates/goose/src/recipe/mod.rs

@@ -137,6 +137,13 @@ pub struct SubRecipe {
     pub path: String,
     #[serde(default, deserialize_with = "deserialize_value_map_as_string")]
     pub values: Option<HashMap<String, String>>,
+    #[serde(default)]
+    pub sequential_when_repeated: bool,
+}
+#[derive(Serialize, Deserialize, Debug, Clone)]
+pub struct Execution {
+    #[serde(default)]
+    pub parallel: bool,
 }
 
 fn deserialize_value_map_as_string<'de, D>(