head to head · open source
Yaak vs fastapi_mcp
Yaak has 19,399 GitHub stars, 840 forks, 19 open issues and last shipped yesterday. fastapi_mcp has 12,024 stars, 967 forks, 169 open issues and last shipped 11 months ago. Yaak leads on adoption by 61% (19,399 vs 12,024 stars). Yaak is written in TypeScript under MIT; fastapi_mcp is written in Python under MIT. Yaak has attracted 4% as many forks as stars, fastapi_mcp 8%. Yaak was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Yaak | fastapi_mcp | |
|---|---|---|
| GitHub stars | ★ 19K | ★ 12K |
| License | MIT | MIT |
| Written in | TypeScript | Python |
| Last push | 2026-11-02 | 2025-11-24 |
| Forks | ⑂ 840 | ⑂ 967 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Yaak if
- You weight community size — 19K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick fastapi_mcp if
- You want the fastapi_mcp feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and fastapi_mcp fits your workflow better
About Yaak
💫 Yaak ➟ Desktop API Client 💫 A fast, privacy first API client for REST, GraphQL, SSE, WebSocket, and gRPC – built with Tauri, Rust, and React. Development is funded by community purchased licenses . You can also become a sponsor to have your logo appear below. 💖 Features Yaak is an offline first API client designed to stay out of your way while giving you everything you need when you need it. Built with Tauri, Rust, and React, it’s fast, lightweight, and private. No telemetry, no VC funding, and no cloud lock in. 🌐 Work with any API Import collections from Postman, Insomnia, OpenAPI, Swagger, or Curl. Send…
About fastapi_mcp
Built by Tadata FastAPI MCP Expose your FastAPI endpoints as Model Context Protocol (MCP) tools, with Auth! Features Authentication built in, using your existing FastAPI dependencies! FastAPI native: Not just another OpenAPI MCP converter Zero/Minimal configuration required just point it at your FastAPI app and it works Preserving schemas of your request models and response models Preserve documentation of all your endpoints, just as it is in Swagger Flexible deployment Mount your MCP server to the same app, or deploy separately ASGI transport Uses FastAPI's ASGI interface directly for efficient communication…
read the full fastapi_mcp overview →
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Frequently asked questions
Is Yaak or fastapi_mcp more popular?
Yaak has 19,399 GitHub stars and fastapi_mcp has 12,024. Yaak has the larger community by that measure.
Are Yaak and fastapi_mcp free?
Both are open source. Yaak is licensed under MIT and fastapi_mcp under MIT. Neither carries a licence fee.
What is the difference between Yaak and fastapi_mcp?
Yaak is written in TypeScript and fastapi_mcp in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Yaak or fastapi_mcp?
Choose Yaak if you want the larger community (19,399 stars) or its MIT licence terms. Choose fastapi_mcp if its feature set, stack or MIT licence fits better. Both are self-hostable.