MCP Inspector

MIT official MCP server debugger — web, CLI, and TUI

AI Agents / MCP · OSS/MIT · 11.1k

Reviewed 2026-09-14 · last push 2026-10-14 · repo checked 2026-10-19

What's Good

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.

The Catch

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.

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