Hello World MCP Server

import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js"; import { z } from "zod"; export function registerPrompts(server: McpServer) { server.prompt( "echo", { message: z.string() }, ({ message }) => ({ messages: [{ role: "user", content: { type: "text", text: `Please process this message: ${message}` } }] }) ); }