head to head · open source
SafeLine vs fastapi_mcp
SafeLine has 23,166 GitHub stars, 1,594 forks, 69 open issues and last shipped 14 days ago. fastapi_mcp has 12,026 stars, 967 forks, 169 open issues and last shipped 12 months ago. SafeLine leads on adoption by 93% (23,166 vs 12,026 stars). SafeLine is written in Go under GPL-3.0; fastapi_mcp is written in Python under MIT. SafeLine has attracted 7% as many forks as stars, fastapi_mcp 8%. SafeLine 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
| SafeLine | fastapi_mcp | |
|---|---|---|
| GitHub stars | ★ 23K | ★ 12K |
| License | GPL-3.0 | MIT |
| Written in | Go | Python |
| Last push | 2026-10-22 | 2025-11-24 |
| Forks | ⑂ 1.6K | ⑂ 967 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick SafeLine if
- You weight community size — 23K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches Go
- 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 SafeLine
SafeLine Make your web apps secure 🏠 Website 📖 Docs 🔍 Live Demo 🙋♂️ Discord 中文版 🏆 Achievements 👋 INTRODUCTION SafeLine is a self hosted WAF(Web Application Firewall) to protect your web apps from attacks and exploits. A web application firewall helps protect web apps by filtering and monitoring HTTP traffic between a web application and the Internet. It typically protects web apps from attacks such as SQL injection , XSS , code injection , os command injection , CRLF injection , ldap injection , xpath injection , RCE , XXE , SSRF , path traversal , backdoor , bruteforce , http flood , bot abused , among…
read the full SafeLine overview →
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 SafeLine or fastapi_mcp more popular?
SafeLine has 23,166 GitHub stars and fastapi_mcp has 12,026. SafeLine has the larger community by that measure.
Are SafeLine and fastapi_mcp free?
Both are open source. SafeLine is licensed under GPL-3.0 and fastapi_mcp under MIT. Neither carries a licence fee.
What is the difference between SafeLine and fastapi_mcp?
SafeLine is written in Go 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, SafeLine or fastapi_mcp?
Choose SafeLine if you want the larger community (23,166 stars) or its GPL-3.0 licence terms. Choose fastapi_mcp if its feature set, stack or MIT licence fits better. Both are self-hostable.