AI & Engineering · 10 min
Your Evals Have No Tests
A green eval suite isn't evidence your agent works — it's the absence of evidence. Mutation testing shows you exactly how blind your evals really are.
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#ci
2 posts
AI & Engineering · 7 min
How We Actually Measure RAG Quality
RAG quality by vibes doesn't survive a second engineer. Decompose by stage, build the eval set from real failures, calibrate the LLM judge, and gate CI.