Merge multiple CSV/Excel files with intelligent column matching, data deduplication, and conflict resolution. Handles different schemas, formats, and combines data sources. Use when users need to merge spreadsheets, combine data exports, or consolidate multiple files into one.
Install
npx skills add OneWave-AI/claude-skills --skill csv-excel-mergernpx skills add OneWave-AI/claude-skills --skill csv-excel-merger -a claude-code -gnpx skills add OneWave-AI/claude-skills --skill csv-excel-merger -a codex -ggemini skills install https://github.com/OneWave-AI/claude-skills.git --path csv-excel-mergergh skill install OneWave-AI/claude-skills csv-excel-mergergit clone --depth 1 https://github.com/OneWave-AI/claude-skills /tmp/OneWave-AI__claude-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/OneWave-AI__claude-skills/csv-excel-merger ~/.claude/skills/csv-excel-merger # Claude Code
cp -R /tmp/OneWave-AI__claude-skills/csv-excel-merger ~/.agents/skills/csv-excel-merger # Codex, Cursor, Gemini CLI, Copilot, OpenCode