by agent-ecosystem · Agent Tool · ★ 260
Last updated: · Indexed by AgentSkillsHub · Auto-synced every 8h
brew install skill-validator
go install github.com/agent-ecosystem/skill-validator/cmd/skill-validator@latestTaken from the project's README on GitHub. Check the security audit before running it.
None of the 42 rules matched — no credential harvesting, no data exfiltration, no curl-pipe-shell installer. Scanned against 42 published rules built on the SlowMist agent-security taxonomy, refreshed every 8 hours. Full audit →
The quality score combines nine heuristic checks of the repo and its README: completeness, clarity, specificity, examples, structure, agent readiness, step-by-step content, instruction quality and security notes. It rates how well the project explains itself to an agent, not the code.
| Stars | 260 |
| Forks | 32 |
| Language | Go |
| Category | Agent Tool |
| License | MIT |
| Quality Score | 71/100 |
| Open Issues | 24 |
| Last Updated | 2026-10-18 |
| Created | 2026-02-13 |
| Platforms | go |
| Est. Tokens | ~26k |
skill-validator A CLI tool that validates and scores Agent Skill packages. Spec compliance is table stakes. goes further: it checks that links actually resolve, flags files that shouldn't be in a skill directory, reports token counts so you can see how much of an agent's context window your skill will consume, analyzes content quality metrics, detects cross-language contamination, and offers...
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Grades come from a rule-based scan built on the SlowMist agent-security taxonomy: 42 published rules, covering credential harvesting, data exfiltration, curl | sh installers and more. It is a first-layer scan, not a manual audit — we say so rather than overstate it.
The scale of the problem is documented independently: Liu et al. (2026), in a study of 31,132 agent skills, report that 26.1% contain security vulnerabilities. Our own full-catalog census is published as a citable open dataset.
Sources & who's responsible: