pnpm install
pnpm start

import { McpServer } from "@modelcontextprotocol/server";
import { createMcpHandler } from "agents/mcp/server";
import { z } from "zod";

function createServer() {
  const server = new McpServer({ name: "Hello MCP Server", version: "1.0.0" });
  server.registerTool(
    "hello",
    {
      description: "Returns a greeting",
      inputSchema: { name: z.string().optional() }
    },
    async ({ name }) => ({
      content: [{ type: "text", text: `Hello, ${name ?? "World"}!` }]
    })
  );
  return server;
}

export default {
  fetch(request, env, ctx) {
    return createMcpHandler(createServer)(request, env, ctx);
  }
} satisfies ExportedHandler;