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Inspect skills

Skill yu-iskw/skill-inspector/skills/inspect-skills

Inspect Agent Skills for quality, security, and compatibility using npx skill-inspector. Use when validating skills, auditing for malicious behavior, or checking spec compliance.From its SKILL.md

Install
npx -y skills add yu-iskw/skill-inspector --skill inspect-skills

Assembled from the repository path, not quoted from the project. Check it against their README if it does not work.

3 things to look at

  • reads credentialsReads from 5 credential sources: `ANTHROPIC_API_KEY` and 4 more.
  • 2 stars2 stars. Stars are a popularity signal and not a quality one, but at this level it is likely that nobody has read this closely except its author, and you would be relying on your own review.
  • runs commandsInstructs the agent to run 2 commands, including `./scripts/list-skills.sh [source]` and 1 more.

SKILL.md

1.7 KB, 403 tokens by cl100k_base, as published. Nobody here has run it

Inspect Agent Skills

Purpose

Run the skill-inspector CLI to analyze one or more Agent Skills for spec compliance, security (e.g. RCE, data exfiltration), and provider compatibility. Use this skill when you need to validate, audit, or harden Agent Skills.

When to Use

  • The user asks to "inspect skills", "validate skills", "audit skills for security", or "check skill compliance".
  • You need to verify a skill directory or repo before adopting or recommending it.
  • You want a 0–100 score and actionable findings for a skill or skill set.

How to Use

  1. List skills only (no LLM required): From the repo or directory that contains skills, run:

    ./scripts/list-skills.sh [source]

    Example: ./scripts/list-skills.sh . or ./scripts/list-skills.sh owner/repo.

  2. Full inspection (requires at least one LLM API key): Run:

    ./scripts/inspect.sh [source] [options]

    The script checks for ANTHROPIC_API_KEY, OPENAI_API_KEY, GOOGLE_API_KEY, MISTRAL_API_KEY, or GROQ_API_KEY and exits with a clear error if none are set.

    Examples:

    • ./scripts/inspect.sh . — inspect all skills in current directory
    • ./scripts/inspect.sh ./my-skill --provider anthropic
    • ./scripts/inspect.sh owner/repo -s "skill-name" --json

  3. Interpret results: See references/cli-usage.md for score ranges, severity levels, and --json output.

Resources

What ships with it: 3 files

3.2 KB alongside SKILL.md, 2 of them executable

references/

scripts/

Keep looking

Skills are one crate of 325,949. Ordering is by how many stacks a row turns up in, so the top of any crate is what has actually been picked rather than what has the most stars.