Show HN: UIGen – Runtime front end for any OpenAPI spec with AI skills

Category: devtools

Tags: openapi, frontend-generator, runtime-rendering

Score: 7.8/10 (Innovation: 7, Technical: 8, Documentation: 8, Utility: 8)

UIGen is a runtime frontend generator that automatically creates a complete interactive UI from any OpenAPI spec, eliminating the need for manual frontend development or code generation. It combines runtime rendering with AI agent skills to auto-annotate APIs and apply custom themes, making it highly innovative for quickly building and maintaining dynamic UIs that stay in sync with API changes. While not yet production-ready, its approach of framework-agnostic intermediate representation and automatic updates fills a known gap in developer tooling.

Target audience: backend devs

Repository: https://github.com/darula-hpp/uigen · TypeScript · 51 stars

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