{"data":{"slug":"mcp-inspector","name":"MCP Inspector","tagline":"MIT official MCP server debugger — web, CLI, and TUI","category":"agents","categoryName":"AI Agents","url":"https://modelcontextprotocol.io/docs/tools/inspector","github":"https://github.com/modelcontextprotocol/inspector","pricing":"open-source","hook":"MCP Inspector is the official Model Context Protocol debugger: poke tools/resources/prompts before you wire an agent.","whatsGood":"MIT (@modelcontextprotocol/inspector). One binary: web UI (default), --cli for CI/agents, --tui for terminals. npx @modelcontextprotocol/inspector against local or remote servers. Reference tooling from the MCP project — not a third-party clone.","theCatch":"Debug surface, not a production MCP gateway or registry (see Smithery) and not transport glue (SuperGateway/mcp-remote). You still author servers elsewhere (FastMCP, etc.). v2 is the active line; pin versions in CI.","verdict":"Official MIT MCP inspector. Test servers here; ship them elsewhere.","addedAt":"2026-09-14","featured":false,"domain":"AI Agents","subSpecialty":"MCP","subcategory":"MCP","tags":["mcp","cli","tui","self-host","permissive","license-unclear","active"],"capabilities":["mcp","debug","devtools"],"surfaces":["MCP","CLI","Self-host"],"ecosystem":["Node.js"],"licenseModel":"OSS/MIT","githubStars":11097,"starsPerWeek":104,"access":"free","archived":false,"repo":{"createdAt":"2024-10-03","pushedAt":"2026-10-14","license":"NOASSERTION","archived":false,"checkedAt":"2026-10-19"}},"related":[{"slug":"claude-code","name":"Claude Code","tagline":"Terminal-first coding agent with deep repository context"},{"slug":"cursor","name":"Cursor","tagline":"The AI-first code editor that understands your codebase"},{"slug":"devin","name":"Devin","tagline":"Autonomous AI engineer for defined engineering tasks"},{"slug":"stagehand","name":"Stagehand","tagline":"AI-native browser automation that mixes code and natural language"},{"slug":"browser-use","name":"Browser Use","tagline":"Open-source framework for LLM-driven browser agents"}],"links":{"self":"/api/gems/mcp-inspector","html":"/gems/mcp-inspector","markdown":"/gems/mcp-inspector.md","category":"/api/gems?category=agents","categoryPage":"/stacks/agents"}}