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sx4im/skillcheck

🧪 A/B test your agent skills — find out if your SKILL.md actually helps the model or is just a placebo. Blind-graded trials, bootstrap confidence intervals, one verdict: HELPS / PLACEBO / HARMS. For Claude Code, Codex, Gemini CLI & Cursor skills.

What is skillcheck?

skillcheck is a Claude Code agent skill that 🧪 A/B test your agent skills — find out if your SKILL.md actually helps the model or is just a placebo. Blind-graded trials, bootstrap confidence intervals, one verdict: HELPS / PLACEBO / HARMS. For Claude Code, Codex, Gemini CLI & Cursor skills.

Works withClaude CodeCodex CLICursorGemini CLI
npx skills add sx4im/skillcheck

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Documentation

What does skillcheck do?

🧪 A/B test your agent skills — find out if your SKILL.md actually helps the model or is just a placebo. Blind-graded trials, bootstrap confidence intervals, one verdict: HELPS / PLACEBO / HARMS. For Claude Code, Codex, Gemini CLI & Cursor skills.

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