@cnwhy/qqwry-mcp/HTTPServer.js

MCP server for QQWry IP database query

import { StreamableHTTPServerTransport } from '@modelcontextprotocol/sdk/server/streamableHttp.js';
import express from 'express';
import server from './mcpServer.js'

// Set up Express and HTTP transport
const app = express();
app.use(express.json());

app.post('/mcp', async (req, res) => {
  // Create a new transport for each request to prevent request ID collisions
  const transport = new StreamableHTTPServerTransport({
    sessionIdGenerator: undefined,
    enableJsonResponse: true
  });

  res.on('close', () => {
    transport.close();
  });

  await server.connect(transport);
  await transport.handleRequest(req, res, req.body);
});

const port = parseInt(process.env.PORT || '3000');
app.listen(port, () => {
  console.log(`Demo MCP Server running on http://localhost:${port}/mcp`);
}).on('error', error => {
  console.error('Server error:', error);
  process.exit(1);
});