index.ts•1.74 kB
//@ts-ignore
import 'dotenv/config';
import { StreamableHTTPServerTransport } from '@modelcontextprotocol/sdk/server/streamableHttp.js';
import { getServer } from '@/core/server';
import { Hono } from 'hono';
import { toFetchResponse, toReqRes } from 'fetch-to-node';
const app = new Hono();
app.post('/mcp', async (c) => {
try {
const { req, res } = toReqRes(c.req.raw);
const server = getServer();
const transport: StreamableHTTPServerTransport = new StreamableHTTPServerTransport({
sessionIdGenerator: undefined,
});
await server.connect(transport);
const body = await c.req.json()
await transport.handleRequest(req, res, body)
res.on('close', () => {
transport.close();
server.close();
});
return toFetchResponse(res);
} catch (error) {
const { req, res } = toReqRes(c.req.raw);
console.error('Error handling MCP request:', error);
if (!res.headersSent) {
res.writeHead(500).end(JSON.stringify({
jsonrpc: '2.0',
error: {
code: -32603,
message: 'Internal server error',
},
id: null,
}));
}
}
});
app.get('/mcp', async (c) => {
const { req, res } = toReqRes(c.req.raw);
console.log('Received GET MCP request');
res.writeHead(405).end(JSON.stringify({
jsonrpc: "2.0",
error: {
code: -32000,
message: "Method not allowed."
},
id: null
}));
});
app.delete('/mcp', async (c) => {
const { req, res } = toReqRes(c.req.raw);
console.log('Received DELETE MCP request');
res.writeHead(405).end(JSON.stringify({
jsonrpc: "2.0",
error: {
code: -32000,
message: "Method not allowed."
},
id: null
}));
});
app.fire()