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Updated 3w ago

by olgasafonova

SkillCheck-Free

Validate Claude Code skills against the agentskills specification (Free tier)

Works with
  • Claude
View on GitHub (opens in a new tab)

42 GitHub stars (42)

+2 in 30 days

Stars gained per day · daily snapshots since Sep 26
Stars gained per day, Sep 26 to Nov 5: +3 in total; the busiest day was Sep 29 with +1 stars.Sep 27: 0 starsSep 28: 0 starsSep 29: +1 starsSep 30: 0 starsOct 1: 0 starsOct 2: 0 starsOct 3: 0 starsOct 4: 0 starsOct 5: 0 starsOct 6: 0 starsOct 7: 0 starsOct 8: 0 starsOct 9: +1 starsOct 10: 0 starsOct 11: 0 starsOct 12: 0 starsOct 13: 0 starsOct 14: 0 starsOct 15: 0 starsOct 16: 0 starsOct 17: 0 starsOct 18: 0 starsOct 19: 0 starsOct 20: 0 starsOct 21: 0 starsOct 22: 0 starsOct 23: +1 starsOct 24: 0 starsOct 25: 0 starsOct 26: 0 starsOct 27: 0 starsOct 28: 0 starsOct 29: 0 starsOct 30: 0 starsOct 31: 0 starsNov 1: 0 starsNov 2: 0 starsNov 3: 0 starsNov 4: 0 starsNov 5: 0 stars
Stars gained between daily snapshots
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Oct 9+1
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Oct 23+1
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  • 1 skill (1 skills found in its SKILL.md files)
  • 2 forks (2 forks)
  • 3w ago last update (Last updated 3w ago)

Install

Skills CLI

npx skills add olgasafonova/SkillCheck-Free

Asks which agents to install it for. Add -g to install it for every project.

Claude Code

git clone https://github.com/olgasafonova/SkillCheck-Freecp -r "SkillCheck-Free/skills/skill-check" ~/.claude/skills/

Copies the skill-check skill into ~/.claude/skills/ for every project (use .claude/skills/ for one project).

Plugin

/plugin marketplace add olgasafonova/SkillCheck-Free

Run inside Claude Code if the repository ships a plugin marketplace, then pick plugins from /plugin.

Skills can run code on your machine — read the SKILL.md first.

What it does

In the author's own words, from each skill's SKILL.md.

  • skill-check

    Validate Claude Code skills against Anthropic guidelines. Use when user says "check skill", "skillcheck", "validate SKILL.md", or asks to find issues in skill definitions. Covers structural and semantic validation. Do NOT use for anti-slop detection, security scanning, token analysis, enterprise checks, or Eval Kit generation; use skill-check-pro for those. Do NOT use for LinkedIn skill engagemen…

    skills/skill-check/SKILL.md on GitHub (opens in a new tab)

Review before you install

A skill is a set of instructions and scripts your agent will follow, and it can run code on your machine. Read the SKILL.md and any scripts first — this listing is not a security review.