initial commit

logic/find_user.ts

@@ -0,0 +1,77 @@
+import { z } from "zod";
+import { ndk } from "../ndk.js";
+import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
+import { knownUsers } from "../users.js";
+import { queryUser } from "../users.js";
+
+/**
+ * Find a user by name, npub, or other profile information
+ * @param query The search query to find a user
+ * @returns Results with formatted user information
+ */
+export async function findUser(query: string) {
+    try {
+        const pubkeys = queryUser(query);
+
+        if (pubkeys.length === 0) {
+            return {
+                content: [
+                    {
+                        type: "text" as const,
+                        text: "No users found matching the query.",
+                    },
+                ],
+            };
+        }
+
+        // Format the found users for display
+        const formattedUsers = pubkeys.map(formatUser).join("\n\n---\n\n");
+
+        return {
+            content: [
+                {
+                    type: "text" as const,
+                    text: `Found ${pubkeys.length} users:\n\n${formattedUsers}`,
+                },
+            ],
+        };
+    } catch (error: unknown) {
+        const errorMessage =
+            error instanceof Error ? error.message : String(error);
+        throw new Error(`Failed to find user: ${errorMessage}`);
+    }
+}
+
+export function addFindUserCommand(server: McpServer) {
+    server.tool(
+        "find_user",
+        "Find a user by name, npub, or other profile information",
+        {
+            query: z.string().describe("The search query to find a user"),
+        },
+        async ({ query }) => {
+            return findUser(query);
+        }
+    );
+}
+
+/**
+ * Format user profile data for display
+ * @param pubkey User public key
+ * @returns Formatted string representation
+ */
+function formatUser(pubkey: string): string {
+    const profile = knownUsers[pubkey]?.profile;
+    const user = ndk.getUser({ pubkey });
+    const keys: Record<string, string> = {
+        Npub: user.npub,
+    };
+
+    if (profile?.name) keys.Name = profile.name;
+    if (profile?.about) keys.About = profile.about;
+    if (profile?.picture) keys.Picture = profile.picture;
+
+    return Object.entries(keys)
+        .map(([key, value]) => `${key}: ${value}`)
+        .join("\n");
+}