Comprehensive Excel spreadsheet creation, editing, and analysis with support for formulas, formatting, charts, data analysis, and visualization. Use when working with .xlsx, .xlsm, .csv files for: (1) Creating spreadsheets with formulas and formatting, (2) Reading/analyzing data, (3) Modifying existing spreadsheets while preserving formulas, (4) Creating charts and visualizations, (5) Data…
Install
npx skills add AutumnsGrove/ClaudeSkills --skill xlsxnpx skills add AutumnsGrove/ClaudeSkills --skill xlsx -a claude-code -gnpx skills add AutumnsGrove/ClaudeSkills --skill xlsx -a codex -ggemini skills install https://github.com/AutumnsGrove/ClaudeSkills.git --path xlsxgh skill install AutumnsGrove/ClaudeSkills xlsxgit clone --depth 1 https://github.com/AutumnsGrove/ClaudeSkills /tmp/AutumnsGrove__ClaudeSkills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/AutumnsGrove__ClaudeSkills/xlsx ~/.claude/skills/xlsx # Claude Code
cp -R /tmp/AutumnsGrove__ClaudeSkills/xlsx ~/.agents/skills/xlsx # Codex, Cursor, Gemini CLI, Copilot, OpenCode