head to head · open source
fastapi_mcp vs kiro-gateway
fastapi_mcp has 12,026 GitHub stars, 967 forks, 169 open issues and last shipped 12 months ago. kiro-gateway has 2,347 stars, 561 forks, 103 open issues and last shipped 6 months ago. fastapi_mcp leads on adoption by 412% (12,026 vs 2,347 stars). fastapi_mcp is written in Python under MIT; kiro-gateway is written in Python under AGPL-3.0. fastapi_mcp has attracted 8% as many forks as stars, kiro-gateway 24%. kiro-gateway was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 4 topic tags (ai, claude, fastapi, llm), so they are genuine substitutes rather than adjacent tools.
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
| fastapi_mcp | kiro-gateway | |
|---|---|---|
| GitHub stars | ★ 12K | ★ 2.3K |
| License | MIT | AGPL-3.0 |
| Written in | Python | Python |
| Last push | 2025-11-24 | 2026-05-18 |
| Forks | ⑂ 967 | ⑂ 561 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick fastapi_mcp if
- You weight community size — 12K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick kiro-gateway if
- You want the kiro-gateway feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Python
- You evaluated both and kiro-gateway fits your workflow better
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 →
About kiro-gateway
👻 Kiro Gateway Proxy gateway for Kiro API (Amazon Q Developer / AWS CodeWhisperer) 🇬🇧 English • 🇷🇺 Русский • 🇨🇳 中文 • 🇪🇸 Español • 🇮🇩 Indonesia • 🇧🇷 Português • 🇯🇵 日本語 • 🇰🇷 한국어 Made with ❤️ by @Jwadow Use Claude models from Kiro with Claude Code, OpenCode, OpenClaw, Claw Code, Codex app, Cursor, Cline, Roo Code, Kilo Code, Obsidian, OpenAI SDK, LangChain, Continue and other OpenAI or Anthropic compatible tools Models • Features • Quick Start • Configuration • 💖 Sponsor 🤖 Available Models (Free List) ⚠️ Important: Model availability depends on your Kiro tier (free/paid). The gateway provides…
read the full kiro-gateway overview →
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Frequently asked questions
Is fastapi_mcp or kiro-gateway more popular?
fastapi_mcp has 12,026 GitHub stars and kiro-gateway has 2,347. fastapi_mcp has the larger community by that measure.
Are fastapi_mcp and kiro-gateway free?
Both are open source. fastapi_mcp is licensed under MIT and kiro-gateway under AGPL-3.0. Neither carries a licence fee.
What is the difference between fastapi_mcp and kiro-gateway?
fastapi_mcp is written in Python and kiro-gateway 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, fastapi_mcp or kiro-gateway?
Choose fastapi_mcp if you want the larger community (12,026 stars) or its MIT licence terms. Choose kiro-gateway if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.