remove json middleware from everything streamable http server

Author: shivdeepak

src/everything/streamableHttp.ts

@@ -7,14 +7,12 @@ import { randomUUID } from 'node:crypto';
 
 const app = express();
 
-app.use(express.json());
-
 const { server, cleanup } = createServer();
 
 const transports: { [sessionId: string]: StreamableHTTPServerTransport } = {};
 
 app.post('/mcp', async (req: Request, res: Response) => {
-  console.log('Received MCP request:', req.body);
+  console.log('Received MCP POST request');
   try {
     // Check for existing session ID
     const sessionId = req.headers['mcp-session-id'] as string | undefined;
@@ -23,7 +21,7 @@ app.post('/mcp', async (req: Request, res: Response) => {
     if (sessionId && transports[sessionId]) {
       // Reuse existing transport
       transport = transports[sessionId];
-    } else if (!sessionId && isInitializeRequest(req.body)) {
+    } else if (!sessionId) {
       // New initialization request
       const eventStore = new InMemoryEventStore();
       transport = new StreamableHTTPServerTransport({
@@ -86,6 +84,7 @@ app.post('/mcp', async (req: Request, res: Response) => {
 
 // Handle GET requests for SSE streams (using built-in support from StreamableHTTP)
 app.get('/mcp', async (req: Request, res: Response) => {
+  console.log('Received MCP GET request');
   const sessionId = req.headers['mcp-session-id'] as string | undefined;
   if (!sessionId || !transports[sessionId]) {
     res.status(400).json({