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 transformation and analysis, (6) Multi-worksheet operations
$npx -y skills add autumnsgrove/claudeskills --skill xlsxInstalls into the current project.
Run `npx skills use "https://github.com/autumnsgrove/claudeskills" --skill "autumnsgrove/claudeskills/xlsx"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/autumnsgrove/claudeskills" that are relevant to the current task. Run `npx skills add "https://github.com/autumnsgrove/claudeskills"` and select the relevant skills, then follow their instructions.