Validate Data

This is a structured pre-flight checklist for data analysis, designed to catch the embarrassing errors before they reach stakeholders. It walks through methodology review, calculation spot-checks, and a catalog of common pitfalls like join explosions and survivorship bias. The output is a three-tier confidence rating (ready to share, share with caveats, needs revision) plus specific findings. Use it when you've finished an analysis and want a systematic second look before the presentation. The checklist is thorough enough to be genuinely useful but still requires you to actually verify the numbers, it's not magic validation.

Install to Claude Code

npx -y skills add anthropics/knowledge-work-plugins --skill validate-data --agent claude-code