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Testing & Reviewsx4im/skillcheck
Skillcheck
🧪 A/B test your agent skills — skillcheck measures whether a SKILL.md actually improves an LLM's task performance, with blind grading, bootstrap confidence intervals, and a 0–100 score. CLI for Claude Code, Codex & Cursor skills.
Suggested install command
npx skills add sx4im/skillcheck/SkillcheckAlways inspect the linked repository and skill instructions before running commands. Skills are instructions; permissions and execution still matter.
Compatibility
Agent support matrix
3 supported
| Agent | Status |
|---|---|
| Claude Code | Supported |
| OpenCode | Not listed |
| Cursor | Supported |
| MCP | Not listed |
| GitHub Copilot | Not listed |
| Windsurf |