head to head · open source
Insomnia vs fastapi_mcp
Insomnia has 40,111 GitHub stars, 2,388 forks, 874 open issues and last shipped yesterday. fastapi_mcp has 12,024 stars, 967 forks, 169 open issues and last shipped 11 months ago. Insomnia leads on adoption by 234% (40,111 vs 12,024 stars). Insomnia is written in TypeScript under Apache-2.0; fastapi_mcp is written in Python under MIT. Insomnia has attracted 6% as many forks as stars, fastapi_mcp 8%. Insomnia 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
| Insomnia | fastapi_mcp | |
|---|---|---|
| GitHub stars | ★ 40K | ★ 12K |
| License | Apache-2.0 | MIT |
| Written in | TypeScript | Python |
| Last push | 2026-11-02 | 2025-11-24 |
| Forks | ⑂ 2.4K | ⑂ 967 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Insomnia if
- You weight community size — 40K stars and counting
- You want the Apache-2.0 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 Insomnia
Insomnia API Client Insomnia is an open source, cross platform API client for GraphQL, REST, WebSockets, Server Sent Events (SSE), gRPC and any other HTTP compatible protocol. With Insomnia you can: Debug APIs using the most popular protocols and formats. Design APIs using the native OpenAPI editor and visual preview. Test APIs using native test suites and collection runner. Mock APIs using a cloud or self hosted mocking server. Build CI/CD pipelines using the native Insomnia CLI for linting and testing. Collaborate with others using the many collaboration features. And more including the ability to use 3rd…
read the full Insomnia 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 Insomnia or fastapi_mcp more popular?
Insomnia has 40,111 GitHub stars and fastapi_mcp has 12,024. Insomnia has the larger community by that measure.
Are Insomnia and fastapi_mcp free?
Both are open source. Insomnia is licensed under Apache-2.0 and fastapi_mcp under MIT. Neither carries a licence fee.
What is the difference between Insomnia and fastapi_mcp?
Insomnia 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, Insomnia or fastapi_mcp?
Choose Insomnia if you want the larger community (40,111 stars) or its Apache-2.0 licence terms. Choose fastapi_mcp if its feature set, stack or MIT licence fits better. Both are self-hostable.