firecrawl-fastmcp

import { FastMCP, FastMCPSession } from "fastmcp"; import { z } from "zod"; const server = new FastMCP({ name: "My CalculatMCP", version: "1.0.0", // Configure logging to see server activity loggingLevel: "debug", // Enable ping to keep connections alive, useful for long-running sessions ping: { enabled: true, intervalMs: 15000 // Ping every 15 seconds } }); server.addTool({ name: "add", description: "Add two numbers and return the sum", parameters: z.object({ a: z.number().describe("The first number to add"), b: z.number().describe("The second number to add") }), execute: async (args: { a: number; b: number }, { session }: { session: FastMCPSession }) => { // Log the operation within the session context session.info(`Executing 'add' tool for numbers: ${args.a} and ${args.b}`); return `The sum of ${args.a} and ${args.b} is ${args.a + args.b}.`; } }); server.addPrompt({ name: "greetUser", description: "A reusable prompt to greet a user by name.", parameters: z.object({ name: z.string().describe("The name of the user to greet.") }), render: async (args: { name: string }) => { return `Hello, ${args.name}! Welcome to FastMCP.`; } }); // Start the server, listening for connections server.start({ transportType: "httpStream", // Or "stdio" for local testing with MCP CLI httpStream: { port: 8080, endpoint: "/mcp" } }); console.log("FastMCP server started on http://localhost:8080/mcp"); console.log("Use a compatible MCP client or inspector to interact.");