Show HN: Mdarena – Benchmark your Claude.md against your own PRs

Mdarena fills a gap in developer workflows by programmatically validating LLM-generated documentation against actual code changes. Developers should expand this to support other LLM providers and integrate it directly into CI/CD pipelines as a quality gate for doc generation.

Suggested repo: mdverify

"Stop shipping docs that don't match your code—automatically benchmark your PRs against your documentation."

Estimated effort: 20h