Claude Skills tutorial series — Part 3: Skill evals — measuring whether your skill actually works
· 13 min read
You now have a working skill — but does it actually work well? And does it keep working when Claude itself gets upgraded or when you tweak the skill? This third, optional part shows how to evaluate a skill systematically: test scenarios, trigger tests, a baseline measurement, and the eval runner that /skill-creator sets up for you. This is the step from Maturity Level 4 ("feels right") to Level 5 ("measurably right").