Xlsx
Comprehensive spreadsheet creation, editing, and analysis with support for formulas, formatting, data analysis, and visualization. When Claude needs to work with spreadsheets (.xlsx, .xlsm, .csv, .tsv, etc) for: (1) Creating new spreadsheets with formulas and formatting, (2) Reading or analyzing data, (3) Modify existing spreadsheets while preserving formulas, (4) Data analysis and visualization in spreadsheets, or (5) Recalculating formulas
Files
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Installation
1
Download the skill files
Download the ZIP file containing all skill files.
2
Extract to your skills folder
Unzip and move the files to one of these locations:
Global (all projects)
~/.claude/skills/xlsx/Project-specific
.claude/skills/xlsx/3
Use the skill
Invoke the skill in Claude Code:
/xlsxOr mention the skill in your prompt and Claude will use it automatically.