The official developer tool for inspecting and testing MCP servers from a web UI, CLI or terminal UI.
Sources and review #
Checked against public documentation on . Suitability guidance is our editorial judgment; this is not a performance benchmark or an endorsement.
Checking what an MCP server exposes and how it responds while you build it.
About MCP Inspector (official) #
The MCP Inspector is the MCP project's own tool for inspecting servers. One package provides a web interface, a scriptable CLI for automation, CI and agent feedback loops, and an interactive terminal UI. Version 2 is the current line, with a migration guide from v1.
MCP Inspector (official) is a project written primarily in TypeScript, with 11k stars on GitHub. It was last updated in October 2026.
npx @modelcontextprotocol/inspector
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MCP Inspector (official) vs. the alternatives #
| Record | Stars | Pricing | ||
|---|---|---|---|---|
| MCP Inspector (official)this listing | 11k | TypeScript | — | Free |
| MCP Reference Servers | 91k | TypeScript | MIT AND Apache-2.0 | Open source |
| context7 | 63k | TypeScript | MIT | Open source |
| chrome-devtools-mcp | 53k | TypeScript | Apache-2.0 | Open source |
| Playwright MCP | 38k | TypeScript | Apache-2.0 | Open source |
| github-mcp-server | 33k | Go | MIT | Open source |
See all 165 MCP Inspector (official) alternatives, compared →