skill-check
About
skill-check validates Claude Code skills against the agentskills specification, catching structural, semantic, and naming issues. It's a linter for skill development, ideal for reviewing SKILL.md files before publishing or debugging. Use it when a user requests validation or when finalizing a skill for quality assurance.
Quick Install
Claude Code
Recommendednpx skills add sickn33/antigravity-awesome-skills -a claude-code/plugin add https://github.com/sickn33/antigravity-awesome-skillsgit clone https://github.com/sickn33/antigravity-awesome-skills.git ~/.claude/skills/skill-checkCopy and paste this command in Claude Code to install this skill
GitHub Repository
Frequently asked questions
What is the skill-check skill?
skill-check is a Claude Skill by sickn33. Skills package instructions and resources that Claude loads on demand, so Claude can perform skill-check-related tasks without extra prompting.
How do I install skill-check?
Use the install commands on this page: add skill-check to Claude Code as a plugin, or clone its repository into your skills directory, then restart Claude so it picks up the skill.
What category does skill-check belong to?
skill-check is in the development category, tagged validation, linter, agentskills, skill-authoring and code-quality.
Is skill-check free to use?
Yes. skill-check is listed on AIMCP and free to install. It runs inside Claude, so no separate service account is required to use the skill itself.
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