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·7 min read·

AI Agent Testing & Evaluation: Measuring Accuracy with Ragas and Braintrust (2026)

How to replace subjective vibe checks with automated evals. Measuring context precision, hallucination rate, tool call fidelity, and regression testing in CI/CD.

AI DevelopmentAI Agent TestingRagasLLMOpsAI EvaluationPython

Why Eyeballing Prompts Fails at Scale

Changing a single system prompt parameter can quietly degrade edge-case responses in production. Automated evaluation benchmarks quantify retrieval quality, answer correctness, and tool choice precision on every commit.

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