Example Next.js MCP Server

import { createMcpHandler } from "@vercel/mcp-adapter"; import { z } from "zod"; const handler = createMcpHandler( async (server) => { server.tool( "echo", "description", { message: z.string(), }, async ({ message }) => ({ content: [{ type: "text", text: `Tool echo: ${message}` }], }) ); }, { capabilities: { tools: { echo: { description: "Echo a message", }, }, }, }, { basePath: "", verboseLogs: true, maxDuration: 60, } ); export { handler as GET, handler as POST, handler as DELETE };