vercel/next-devtools-mcp

Next.js DevTools MCP is a Model Context Protocol server that provides Next.js development tools for AI coding agents like Claude and Cursor. It offers runtime diagnostics for Next.js 16+ projects through direct connection to dev servers, automated upgrade and Cache Components setup tools, browser testing via Playwright, and access to Next.js documentation. The tool is designed for developers using AI assistants for Next.js development, enabling them to query application state, fix errors, and perform common workflows with official Next.js codemods and documentation.