http.ts•1.29 kB
import express, { Request, Response } from "express";
import { StreamableHTTPServerTransport } from "@modelcontextprotocol/sdk/server/streamableHttp.js";
import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import getServer from "./server.ts";
const app = express();
app.use(express.json());
app.post("/mcp", async (req: Request, res: Response) => {
try {
const server: McpServer = getServer();
const transport: StreamableHTTPServerTransport = new StreamableHTTPServerTransport({
sessionIdGenerator: undefined,
});
console.log("Request initiated");
res.on("close", () => {
console.log("Request closed");
transport.close();
server.close();
});
await server.connect(transport);
await transport.handleRequest(req, res, req.body);
} catch (error) {
console.error("Error handling MCP request:", error);
if (!res.headersSent) {
res.status(500).json({
jsonrpc: "2.0",
error: {
code: -32603,
message: "Internal server error",
},
id: null,
});
}
}
});
// Health check endpoint (optional)
app.get("/health", (req, res) => {
res.json({ status: "ok" });
});
// Start server
const PORT = process.env.PORT || 3000;
app.listen(PORT, () => {
console.log(`Stateless MCP server (SDK) listening on port ${PORT}`);
});