head to head · open source
Hoppscotch vs mcpo
Hoppscotch has 80,336 GitHub stars, 6,112 forks, 820 open issues and last shipped 2 days ago. mcpo has 4,378 stars, 495 forks, 56 open issues and last shipped 4 months ago. Hoppscotch leads on adoption by 1,735% (80,336 vs 4,378 stars). Hoppscotch is written in TypeScript under MIT; mcpo is written in Python under MIT. Hoppscotch has attracted 8% as many forks as stars, mcpo 11%. Hoppscotch 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
| Hoppscotch | mcpo | |
|---|---|---|
| GitHub stars | ★ 80K | ★ 4.4K |
| License | MIT | MIT |
| Written in | TypeScript | Python |
| Last push | 2026-09-16 | 2026-05-17 |
| Forks | ⑂ 6.1K | ⑂ 495 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Hoppscotch if
- You weight community size — 80K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick mcpo if
- You want the mcpo feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and mcpo fits your workflow better
About Hoppscotch
Hoppscotch is an open source API development ecosystem that provides a full featured client for designing, testing, and documenting APIs. It operates as a web based application, desktop app, and CLI tool, supporting offline, on premises, and cloud deployments. Built with TypeScript and licensed under MIT, it serves as a direct open source alternative to proprietary tools like Postman and Insomnia.
read the full Hoppscotch overview →
About mcpo
mcpo is a Python proxy server that exposes any Model Context Protocol (MCP) tool as an OpenAPI compatible HTTP server, built for developers and teams who need MCP tools to work with LLM agents, SDKs and UIs that speak standard OpenAPI.
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Frequently asked questions
Is Hoppscotch or mcpo more popular?
Hoppscotch has 80,336 GitHub stars and mcpo has 4,378. Hoppscotch has the larger community by that measure.
Are Hoppscotch and mcpo free?
Both are open source. Hoppscotch is licensed under MIT and mcpo under MIT. Neither carries a licence fee.
What is the difference between Hoppscotch and mcpo?
Hoppscotch is written in TypeScript and mcpo 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, Hoppscotch or mcpo?
Choose Hoppscotch if you want the larger community (80,336 stars) or its MIT licence terms. Choose mcpo if its feature set, stack or MIT licence fits better. Both are self-hostable.