emcee

MIT turn any OpenAPI into an MCP server for Claude and friends

AI Agents / Agents · OSS/MIT · 332

Reviewed 2026-09-25 · last push 2026-07-04 · repo checked 2026-10-19

What's Good

MIT (mattt/emcee). Homebrew tap, trivial Claude Desktop config (`emcee https://…/openapi.json`), docs/site at emcee.sh. Best when the API already has a decent OpenAPI and you do not want a hand-written MCP wrapper.

The Catch

Vs mcp-use / Composio / Klavis: emcee is a thin OpenAPI→MCP generator, not a managed OAuth toolkit marketplace or fullstack MCP framework. Garbage OpenAPI → garbage tools; auth/scopes still need careful client config.

Verdict

MIT OpenAPI→MCP primitive when you already ship a clean spec and want Claude/MCP clients on it in minutes.

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