Comparison
Skillcheck vs Skills
Skills has more GitHub stars (181,366 vs 29). Skillcheck was updated more recently (last commit 1d ago). Data comes straight from GitHub and refreshes daily.
Skillcheck
Blind A/B testing for AI agent skills, .cursorrules, CLAUDE.md, and system prompts. Detects placebo and harmful instructions.
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npx @sx4im/skillcheck@latest
Skills
Public repository for Agent Skills
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/plugin marketplace add anthropics/skills| Metric | Skillcheck | Skills |
|---|---|---|
| Type | Agent skill | Agent skill |
| GitHub stars | 29 | 181,366 |
| Stars, last 7 days | n/a | n/a |
| Forks | 6 | 21,475 |
| Upvotes | 0 | 0 |
| Language | TypeScript | Python |
| License | MIT | n/a |
| Last commit | 1d ago | 6d ago |
| Created | Jun 2026 | Sep 2025 |
| Categories | AI & LLM tooling, Dev tools | AI & LLM tooling |