- Category
- Developer Tools
- Pricing
- Open Source
- Type
- TOOL
- Builder
- microsoft
- GitHub
- 5.8k stars
- Added
- May 22, 2026
About
Microsoft's language for defining APIs — write API contracts once, generate OpenAPI / JSON Schema / Protobuf and server/client code.
Why it made the leaderboard
Microsoft's language for defining API contracts once and generating OpenAPI, JSON Schema, Protobuf, and server/client code from the same source — your spec stops drifting from your implementation.
Tags
apiopenapimicrosoftcodegenschema
Tech Stack
Node.jsTypeScript
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