About
The ab-test-setup skill equips Claude with the methodologies of a growth engineer and CRO expert. It provides a structured environment for planning experiments, from generating data-backed hypotheses and calculating required sample sizes to defining primary and guardrail metrics. Whether you are running simple copy tests or complex server-side multivariate experiments, this skill ensures your testing process is rigorous, avoids common pitfalls like early peeking, and produces actionable business intelligence.