kubb
kubb is an MCP server by kubb-labs. 🧡 Turn your API spec into type-safe code. Generate TypeScript types, API clients, hooks, validators and mocks from a spec such as OpenAPI. It has 1,827 GitHub stars and ranks #96 of 2217 in Developer Tools by stars.
- Category
- Developer Tools
- Author
- kubb-labs
- GitHub stars
- 1,827
- This week
- Tracking since 18 Oct 2026
- Weekly downloads
- 36,153
- Language
- TypeScript
- License
- MIT (open source)
- Last update
- 2026-10-24 (today)
- Links
- SourceWebsitenpm
How to install kubb
kubb is published on npm as @kubb/mcp. These steps assume it runs as a local stdio server, which is the usual setup.
- Check the README. Confirm the start command and note any API keys or environment variables it needs (pass them with
-e KEY=valueor anenvblock). You need Node.js fornpx. - Add it to Claude Code from a terminal:
claude mcp add kubb -- npx -y @kubb/mcp - Or add it to Cursor or Claude Desktop in
.cursor/mcp.jsonorclaude_desktop_config.json:{ "mcpServers": { "kubb": { "command": "npx", "args": [ "-y", "@kubb/mcp" ] } } } - Restart the client and check it. Run
claude mcp list, or open the client's MCP settings, and confirm kubb and its tools are listed. The install guide covers VS Code and Codex.
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Frequently asked questions
What is kubb?
kubb is an MCP server by kubb-labs in the Developer Tools category. 🧡 Turn your API spec into type-safe code. Generate TypeScript types, API clients, hooks, validators and mocks from a spec such as OpenAPI. It has 1,827 GitHub stars and ranks #96 of 2217 in Developer Tools by stars.
Is kubb free and open source?
Yes. kubb is published under the MIT license, so you can run, modify and self-host it at no cost. If it connects to a paid service, that service's own pricing and API terms still apply. Check the repository for the exact license text before using it commercially.
What are the alternatives to kubb?
Other Developer Tools projects on MCP Harbor include rea, storybook, context7. Each alternative links to its own page with stars, license and recent activity. The Developer Tools category ranks all 2217 by stars, and you can re-sort it by growth this week.
Alternatives to kubb
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