How to Build and Debug MCP Servers for Claude Desktop in 5 Seconds 🔨
How to Build and Debug MCP Servers for Claude Desktop in 5 Seconds 🔨 Model Context Protocol (MCP) by Anthropic is rapidly becoming the open standard for connecting LLMs like Claude Desktop, Cursor, and Windsurf to local dev tools, APIs, and databases. However, setting up an MCP server from scratch, configuring stdio transports, and debugging JSON-RPC requests in the terminal can be tedious. To solve this, I built mcp-forge — an open-source Swiss-Army developer toolkit and inspector for MCP servers. ⚡ What is mcp-forge ? mcp-forge gives you everything you need to build, test, inspect, and run MCP servers with zero setup overhead : 🛠️ npx mcp-forge serve : Launches a built-in suite of developer tools for Claude Desktop (Git summary, System diagnostics, Mermaid syntax validator, HTTP API tester). 🔍 npx mcp-forge inspect <cmd> : An interactive stdio inspector to connect to any MCP server, list tools/resources/prompts, and test executions live. ⚡ npx mcp-forge init <name> : Scaffolds a production-ready TypeScript MCP server in 5 seconds with TypeScript, tsup bundler, and Vitest. 🌐 npx mcp-forge ui : A visual dark-themed web dashboard for real-time WebSocket traffic monitoring. 🚀 Quickstart: Supercharge Claude Desktop in 1 Minute You don't even need to install anything globally! You can run mcp-forge directly via npx . 1. Add mcp-forge to Claude Desktop Add this snippet to your claude_desktop_config.json : { "mcpServers" : { "mcp-forge" : { "command" : "npx" , "args" : [ "-y" , "mcp-forge" , "serve" ] } } } Now Claude can automatically inspect your Git status, fetch system memory/CPU telemetry, validate Mermaid diagram syntax, and test REST endpoints! Scaffold a New MCP Server in 5 Seconds Want to build your own custom MCP server? Run: npx mcp-forge init my-awesome-mcp-server cd my-awesome-mcp-server npm install npm run dev You get a fully-typed MCP server template with @modelcontextprotocol/sdk configured and ready to publish. Inspect & Debug Any MCP Server in Terminal N