Clean up messy spreadsheet data â trim whitespace, fix inconsistent casing, convert numbers-stored-as-text, standardize dates, remove duplicates, and flag mixed-type columns. Use when data is messy, inconsistent, or needs prep before analysis. Triggers on "clean this data", "clean up this sheet", "normalize this data", "fix formatting", "dedupe", "standardize this column", "this data is messy".
Install
npx skills add anthropics/financial-services --skill clean-data-xlsnpx skills add anthropics/financial-services --skill clean-data-xls -a claude-code -gnpx skills add anthropics/financial-services --skill clean-data-xls -a codex -ggemini skills install https://github.com/anthropics/financial-services.git --path plugins/vertical-plugins/financial-analysis/skills/clean-data-xlsgh skill install anthropics/financial-services clean-data-xlsgit clone --depth 1 https://github.com/anthropics/financial-services /tmp/anthropics__financial-services
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/anthropics__financial-services/plugins/vertical-plugins/financial-analysis/skills/clean-data-xls ~/.claude/skills/clean-data-xls # Claude Code
cp -R /tmp/anthropics__financial-services/plugins/vertical-plugins/financial-analysis/skills/clean-data-xls ~/.agents/skills/clean-data-xls # Codex, Cursor, Gemini CLI, Copilot, OpenCode