head to head · open source
Windmill vs vibe-check-mcp-server
Windmill has 18,360 GitHub stars, 1,136 forks, 852 open issues and last shipped yesterday. vibe-check-mcp-server has 503 stars, 67 forks, 5 open issues and last shipped 2 days ago. Windmill leads on adoption by 3,550% (18,360 vs 503 stars). Windmill is written in Rust under a custom or non-standard licence; vibe-check-mcp-server is written in TypeScript under MIT. Windmill has attracted 6% as many forks as stars, vibe-check-mcp-server 13%. Windmill was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (ai-agents, vibe-coding), 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
| Windmill | vibe-check-mcp-server | |
|---|---|---|
| GitHub stars | ★ 18K | ★ 503 |
| License | Custom / other | MIT |
| Written in | Rust | TypeScript |
| Last push | 2026-11-02 | 2026-11-01 |
| Forks | ⑂ 1.1K | ⑂ 67 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Windmill if
- You weight community size — 18K stars and counting
- You want the Custom / other license terms
- Your stack matches Rust
- You value the larger contributor base for long-term maintenance
pick vibe-check-mcp-server if
- You want the vibe-check-mcp-server feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and vibe-check-mcp-server fits your workflow better
About Windmill
Open source developer platform for internal code: APIs, background jobs, workflows and UIs. Self hostable alternative to Retool, Pipedream, Superblocks and a simplified Temporal with autogenerated UIs and custom UIs to trigger workflows and scripts as internal apps. Scripts are turned into sharable UIs automatically, and can be composed together into flows or used into richer apps built with low code. Supported languages: Python, TypeScript, Go, Bash, SQL, GraphQL, PowerShell, Rust, and more. Try it Website Docs Discord Hub Contributing Windmill Developer platform for APIs, background jobs, workflows and UIs…
read the full Windmill overview →
About vibe-check-mcp-server
Vibe Check MCP This project is in maintenance mode. Active feature development has ended; only maintenance patches (security and bug fixes) are published. v2.9.0 is the latest maintenance release. The server remains fully functional. Community forks and contributions are welcome under the MIT license. KISS overzealous agents goodbye. Plug & play agent oversight tool. Based on research: In our study agents calling Vibe Check improved success +27% and halved harmful actions 41% Featured on PulseMCP “Most Popular (This Week)” • 5k+ monthly calls on Smithery.ai • research backed oversight • STDIO + streamable HTTP…
read the full vibe-check-mcp-server overview →
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Frequently asked questions
Is Windmill or vibe-check-mcp-server more popular?
Windmill has 18,360 GitHub stars and vibe-check-mcp-server has 503. Windmill has the larger community by that measure.
Are Windmill and vibe-check-mcp-server free?
Both are open source. Windmill has no licence declared in this registry, and vibe-check-mcp-server is licensed under MIT. Both are free to self-host.
What is the difference between Windmill and vibe-check-mcp-server?
Windmill is written in Rust and vibe-check-mcp-server in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Windmill or vibe-check-mcp-server?
Choose Windmill if you want the larger community (18,360 stars) or its Custom / other licence terms. Choose vibe-check-mcp-server if its feature set, stack or MIT licence fits better. Both are self-hostable.