Is it safe and well-formed?
Format, quality, secrets, personal data and risky-command checks. Runs instantly in your browser — nothing is stored.
Skills are the instruction files that teach an AI agent how to do a job. A bad one quietly makes your agent worse.
Paste yours below for an instant check — format, quality, safety and an AI-judged score with fixes. Inspired by NVIDIA's open-source SkillEvaluator.

§ How it's judged
Each tier answers one question.
Format, quality, secrets, personal data and risky-command checks. Runs instantly in your browser — nothing is stored.
Finds duplicated guidance that bloats the skill and confuses the agent.
An AI reviewer scores trigger clarity, actionability, scope, examples and safety, then lists fixes. For full live agent testing, use NVIDIA SkillEvaluator ↗.
§ Checker
Paste a SKILL.md or upload the file.
Don't paste passwords or customer data. The AI review sends your text for scoring and doesn't save it.
Your results will appear here.
§ Work with me
I help teams write the skills, context and guardrails that make AI agents genuinely useful. Book 15 minutes and bring your hardest one.