tambahan

src/server/routes/mcp_route.ts

@@ -4,17 +4,32 @@ export const MCPRoute = new Elysia({
   prefix: "/mcp-server",
   tags: ["mcp-server"],
 })
-    .post("/mcp", ({ body, set }) => {
-        const { id, method, params } = body as any;
 
+// ✅ 1. GET untuk handshake n8n (wajib)
+.get("/mcp", ({ set }) => {
+  set.headers["Content-Type"] = "application/json";
+  return {
+    jsonrpc: "2.0",
+    result: {
+      protocol: "2024-11-05",
+      capabilities: {
+        "tools/list": true,
+        "tools/call": true,
+      }
+    }
+  };
+})
+
+
+// ✅ 2. POST untuk komunikasi streaming (tools/list, tools/call)
+.post("/mcp", ({ body, set }) => {
+  const { id, method, params } = body as any;
   set.headers["Content-Type"] = "application/json; charset=utf-8";
   set.headers["Transfer-Encoding"] = "chunked";
   set.headers["Connection"] = "keep-alive";
 
-        // ✅ Streaming Response
   const stream = new ReadableStream({
     async start(controller) {
-                // tools/list
       if (method === "tools/list") {
         controller.enqueue(
           JSON.stringify({
@@ -26,81 +41,51 @@ export const MCPRoute = new Elysia({
                 description: "Greets user",
                 inputSchema: {
                   type: "object",
-                                        properties: { name: { type: "string" } },
+                  properties: { name: { type: "string" } }
-                                    },
-                                },
-                            ],
-                        }) + "\n"
-                    );
-                    // ❌ Jangan tutup langsung, beri delay agar n8n sempat membaca
-                    await Bun.sleep(200);
-                    controller.close();
-                    return;
                 }
-
-                // tools/sayHello → streaming progress
-                if (method === "tools/sayHello") {
-                    controller.enqueue(
-                        JSON.stringify({
-                            jsonrpc: "2.0",
-                            id,
-                            result: { status: "Processing..." },
-                        }) + "\n"
-                    );
-                    await Bun.sleep(500);
-
-                    controller.enqueue(
-                        JSON.stringify({
-                            jsonrpc: "2.0",
-                            id,
-                            result: { message: `Hello ${params?.name || "User"}` },
-                        }) + "\n"
-                    );
-                    await Bun.sleep(200);
-
-                    controller.close();
-                    return;
               }
-
+            ]
-                if (method === "mcp/version") {
-                    controller.enqueue(
-                        JSON.stringify({
-                            jsonrpc: "2.0",
-                            id,
-                            result: {
-                                protocol: "2024-11-05", // versi MCP baru
-                                capabilities: {
-                                    "tools/list": true,
-                                    "tools/call": true,
-                                },
-                            },
           }) + "\n"
         );
         controller.close();
         return;
       }
 
-                // Method tidak dikenal
+      if (method === "tools/call" && params?.name === "sayHello") {
+        controller.enqueue(
+          JSON.stringify({ jsonrpc: "2.0", id, result: { status: "Processing..." } }) + "\n"
+        );
+        await Bun.sleep(300);
         controller.enqueue(
           JSON.stringify({
             jsonrpc: "2.0",
             id,
-                        error: { code: -32601, message: `Method ${method} not found` },
+            result: { message: `Hello ${params?.arguments?.name || "User"}!` }
           }) + "\n"
         );
-                await Bun.sleep(200);
         controller.close();
-            },
+        return;
+      }
+
+      controller.enqueue(
+        JSON.stringify({
+          jsonrpc: "2.0",
+          id,
+          error: { code: -32601, message: `Method ${method} not found` }
+        }) + "\n"
+      );
+      controller.close();
+    }
   });
 
   return new Response(stream);
-    }, {
+}, {
   body: t.Object({
     jsonrpc: t.Optional(t.String()),
     method: t.String(),
-            params: t.Optional(t.Record(t.String(), t.Any())),
+    params: t.Optional(t.Any()),
     id: t.Optional(t.Union([t.String(), t.Number()])),
   }),
-    });
+});
 
 export default MCPRoute;