Skill Sentinel
Linter + security scanner for AI agent skills — by Cumulative Web Inc
Runs 100% in your browser. Nothing is uploaded, stored, or sent anywhere.
Honest limits.
Skill Sentinel is a heuristic pattern engine — a fast first line of defense and CI gate, not a sandbox or a guarantee. It has false positives (a legit skill documenting
curl) and false negatives (novel obfuscation). A clean scan is not a safety certificate. Always read a skill before trusting it.
Try Skill Sentinel live
Linter + security scanner for AI agent skills — paste a SKILL.md, get an A–F grade with evidence-bound findings. 100% local, nothing uploaded.