MCP Inspector
🔌 MCP ServerThe official visual debugger for MCP servers
Open Source No Ads No Tracking No Sign-up Offline Cross-platform
The official open-source MCP debugging tool with web UI, CLI and TUI modes. Connect to any MCP server to call tools one by one, browse resources and prompts, and watch raw messages — the easiest way to test a server you're building.
Install / Add
npx @modelcontextprotocol/inspector