fix: correct deep link install link format (#1830)

documentation/src/utils/install-links.ts

@@ -1,5 +1,30 @@
 import type { MCPServer } from "../types/server";
 
 export function getGooseInstallLink(server: MCPServer): string {
-  return `goose://install/${encodeURIComponent(server.command)}`;
+  if (server.is_builtin) {
+    const queryParams = [
+      'cmd=goosed',
+      'arg=mcp',
+      `arg=${encodeURIComponent(server.id)}`,
+      `description=${encodeURIComponent(server.id)}`
+    ].join('&');
+    return `goose://extension?${queryParams}`;
+  }
+  const parts = server.command.split(" ");
+  const baseCmd = parts[0]; // npx or uvx
+  const args = parts.slice(1); // remaining arguments
+  const queryParams = [
+    `cmd=${encodeURIComponent(baseCmd)}`,
+    ...args.map((arg) => `arg=${encodeURIComponent(arg)}`),
+    `id=${encodeURIComponent(server.id)}`,
+    `name=${encodeURIComponent(server.name)}`,
+    `description=${encodeURIComponent(server.description)}`,
+    ...server.environmentVariables
+      .filter((env) => env.required)
+      .map(
+        (env) => `env=${encodeURIComponent(`${env.name}=${env.description}`)}`
+      ),
+  ].join("&");
+
+  return `goose://extension?${queryParams}`;
 }