tambahan

src/index.tsx

@@ -36,7 +36,6 @@ const app = new Elysia()
   .use(Api)
   .use(Docs)
   .use(Auth)
-  .use(MCPRoute)
   .get(
     "/.well-known/mcp.json",
     async () => {
@@ -50,8 +49,8 @@ const app = new Elysia()
       },
     },
   )
-  // .use(McpRoute)
+  .use(MCPRoute)
-  .get("*", html)
+  .get("/*", html)
   .listen(3000, () => {
     console.log("Server running at http://localhost:3000");
   });

src/server/routes/mcp_route.ts

@@ -1,165 +1,228 @@
 // src/routes/mcp_route.ts
 import { Elysia, t } from "elysia";
 
+function createStream(handler: (controller: ReadableStreamDefaultController) => Promise<void>) {
+  return new ReadableStream({
+    async start(controller) {
+      try {
+        controller.enqueue(":\n\n"); // Heartbeat awal
+        await handler(controller);
+      } catch (error) {
+        controller.enqueue(
+          JSON.stringify({
+            jsonrpc: "2.0",
+            error: { code: -32000, message: "Internal Server Error" },
+          }) + "\n"
+        );
+      } finally {
+        try {
+          controller.close();
+        } catch {}
+      }
+    },
+    cancel() {
+      console.log("🔴 Client closed the connection");
+    },
+  });
+}
+
 export const MCPRoute = new Elysia({
   prefix: "/mcp",
+  tags: ["mcp"],
 })
-  // POST endpoint untuk MCP protocol (standard)
+  /**
-  .post("/", async ({ body, set }) => {
+   * ✅ GET /mcp/:id — streaming response untuk n8n + curl
-    const { id, method, params } = body as any;
+   */
+  .get("/:id", ({ params, query, set }) => {
+    const id = params.id ?? 1;
+    const method = query.method as string | undefined;
 
-    set.headers["Content-Type"] = "application/json";
+    set.headers["Content-Type"] = "application/json; charset=utf-8";
+    set.headers["Cache-Control"] = "no-cache, no-transform";
+    set.headers["Connection"] = "keep-alive";
+    set.headers["Transfer-Encoding"] = "chunked";
+    set.headers["X-Accel-Buffering"] = "no";
 
-    try {
+    const stream = createStream(async (controller) => {
-      // 1. Initialize - Version handshake
+      // Jika tidak ada method → status server
-      if (method === "initialize") {
+      if (!method) {
-        return {
+        controller.enqueue(
-          jsonrpc: "2.0",
+          JSON.stringify({
-          id,
+            jsonrpc: "2.0",
-          result: {
+            id,
-            protocolVersion: "2024-11-05",
+            result: {
-            capabilities: {
+              status: "MCP Server Ready",
-              tools: {
+              message: "Use ?method=mcp/version or ?method=tools/list",
-                listChanged: false
+              availableMethods: ["mcp/version", "tools/list", "tools/sayHello"],
-              }
             },
-            serverInfo: {
+          }) + "\n"
-              name: "elysia-mcp-server",
+        );
-              version: "1.0.0"
+        return;
-            }
-          }
-        };
       }
 
-      // 2. List available tools
+      // mcp/version
+      if (method === "mcp/version") {
+        controller.enqueue(
+          JSON.stringify({
+            jsonrpc: "2.0",
+            id,
+            result: {
+              protocol: "2024-11-05",
+              capabilities: { "tools/list": true, "tools/call": true },
+            },
+          }) + "\n"
+        );
+        return;
+      }
+
+      // tools/list
       if (method === "tools/list") {
-        return {
+        controller.enqueue(
-          jsonrpc: "2.0",
+          JSON.stringify({
-          id,
+            jsonrpc: "2.0",
-          result: {
+            id,
-            tools: [
+            result: [
               {
                 name: "sayHello",
-                description: "Greets a user by name",
+                description: "Greets a user",
                 inputSchema: {
                   type: "object",
-                  properties: {
+                  properties: { name: { type: "string", description: "Your name" } },
-                    name: {
+                  required: ["name"],
-                      type: "string",
+                },
-                      description: "Name of the person to greet"
-                    }
-                  },
-                  required: ["name"]
-                }
               },
-              {
+            ],
-                name: "getCurrentTime",
+          }) + "\n"
-                description: "Returns the current server time",
+        );
-                inputSchema: {
+        return;
-                  type: "object",
-                  properties: {}
-                }
-              }
-            ]
-          }
-        };
       }
 
-      // 3. Call tool - Execute the requested tool
+      // tools/sayHello (progress + result)
-      if (method === "tools/call") {
+      if (method === "tools/sayHello") {
-        const toolName = params?.name;
+        controller.enqueue(
-        const toolArgs = params?.arguments || {};
+          JSON.stringify({ jsonrpc: "2.0", id, result: { status: "Processing..." } }) + "\n"
-
+        );
-        if (toolName === "sayHello") {
+        await Bun.sleep(500);
-          const userName = toolArgs.name || "User";
+        controller.enqueue(
-          return {
+          JSON.stringify({
             jsonrpc: "2.0",
             id,
-            result: {
+            result: { message: `Hello ${query?.name || "User"}` },
-              content: [
+          }) + "\n"
-                {
+        );
-                  type: "text",
+        return;
-                  text: `Hello, ${userName}! Welcome to the MCP server.`
+      }
-                }
-              ]
-            }
-          };
-        }
 
-        if (toolName === "getCurrentTime") {
+      // Unknown method
-          const currentTime = new Date().toISOString();
+      controller.enqueue(
-          return {
+        JSON.stringify({
-            jsonrpc: "2.0",
-            id,
-            result: {
-              content: [
-                {
-                  type: "text",
-                  text: `Current server time: ${currentTime}`
-                }
-              ]
-            }
-          };
-        }
-
-        // Tool not found
-        return {
           jsonrpc: "2.0",
           id,
-          error: {
+          error: { code: -32601, message: `Method "${method}" not found` },
-            code: -32602,
+        }) + "\n"
-            message: `Tool "${toolName}" not found`
+      );
-          }
+    });
-        };
-      }
 
-      // Method not found
+    return new Response(stream);
-      return {
+  })
-        jsonrpc: "2.0",
+  /**
-        id,
+   * ✅ POST /mcp — JSON-RPC versi body
-        error: {
+   */
-          code: -32601,
+  .post(
-          message: `Method "${method}" not found`
+    "/",
-        }
+    async ({ body, set }) => {
-      };
+      const { id, method, params } = body as any;
 
-    } catch (error: any) {
+      set.headers["Content-Type"] = "application/json; charset=utf-8";
-      return {
+      set.headers["Connection"] = "keep-alive";
-        jsonrpc: "2.0",
+      set.headers["Transfer-Encoding"] = "chunked";
-        id,
+      set.headers["X-Accel-Buffering"] = "no";
-        error: {
+
-          code: -32603,
+      const stream = createStream(async (controller) => {
-          message: error.message || "Internal error"
+        if (!method) {
+          controller.enqueue(
+            JSON.stringify({
+              jsonrpc: "2.0",
+              id,
+              error: { code: -32600, message: "Method required" },
+            }) + "\n"
+          );
+          return;
         }
-      };
+
+        if (method === "mcp/version") {
+          controller.enqueue(
+            JSON.stringify({
+              jsonrpc: "2.0",
+              id,
+              result: {
+                protocol: "2024-11-05",
+                capabilities: { "tools/list": true, "tools/call": true },
+              },
+            }) + "\n"
+          );
+          return;
+        }
+
+        if (method === "tools/list") {
+          controller.enqueue(
+            JSON.stringify({
+              jsonrpc: "2.0",
+              id,
+              result: [
+                {
+                  name: "sayHello",
+                  description: "Greets a user",
+                  inputSchema: {
+                    type: "object",
+                    properties: { name: { type: "string" } },
+                    required: ["name"],
+                  },
+                },
+              ],
+            }) + "\n"
+          );
+          return;
+        }
+
+        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 ${params?.name || "User"}` },
+            }) + "\n"
+          );
+          return;
+        }
+
+        controller.enqueue(
+          JSON.stringify({
+            jsonrpc: "2.0",
+            id,
+            error: { code: -32601, message: `Method "${method}" not found` },
+          }) + "\n"
+        );
+      });
+
+      return new Response(stream);
+    },
+    {
+      body: t.Object({
+        jsonrpc: t.Optional(t.String()),
+        method: t.String(),
+        params: t.Optional(t.Record(t.String(), t.Any())),
+        id: t.Optional(t.Union([t.String(), t.Number()])),
+      }),
     }
-  }, {
+  );
-    body: t.Object({
-      jsonrpc: t.String(),
-      method: t.String(),
-      params: t.Optional(t.Any()),
-      id: t.Union([t.String(), t.Number()])
-    })
-  })
-  
-  // GET endpoint untuk testing / health check
-  .get("/", () => {
-    return {
-      status: "ok",
-      message: "MCP Server is running",
-      endpoints: {
-        main: "POST /mcp",
-        methods: ["initialize", "tools/list", "tools/call"]
-      }
-    };
-  })
-  
-  // Health check endpoint
-  .get("/health", () => {
-    return {
-      status: "healthy",
-      timestamp: new Date().toISOString()
-    };
-  });
 
 export default MCPRoute;

x.sh

@@ -1,2 +1,2 @@
-curl -N https://cid-dkr-prod-jenna-mcp.wibudev.com/mcp-server/sse
+curl -N -v -X GET "https://n8n.wibudev.com/mcp/123?method=mcp/version"