Agent skill · software engineering · sundial-org
excel
Read, write, edit, and format Excel files (.xlsx). Create spreadsheets, manipulate data, apply formatting, manage sheets, merge cells, find/replace, and export to CSV/JSON/Markdown. Use for any Excel file manipulation task.
Why this skill is useful
Adds 10 executable scripts for comprehensive Excel file manipulation that aren't in public docs.
What it needs
Requires python3 installed locally. About 4k tokens when loaded. Last updated 2026-03-07. 639 stars on the source repository.
What this skill does
Excel Comprehensive Excel file manipulation - read, write, edit, format, and export. Setup Quick Reference Commands Reading Data info - Get workbook metadata read - Read sheet data cell - Read a specific cell Creating & Writing create - Create new workbook write - Write data to cells from-csv - Create Excel from CSV from-json - Create Excel from JSON Editing edit - Edit a cell value or formula find - Search for text replace - Find and replace Sheet Management add-sheet - Add a new sheet rename-sheet - Rename a sheet delete-sheet - Delete a sheet copy-sheet - Copy a sheet Row & Column Operations insert-rows - Insert rows insert-cols - Insert columns delete-rows - Delete rows delete-cols - Delete columns Cell Operations merge - Merge cells unmerge - Unmerge cells Formatting format - Apply cell formatting resize - Resize rows and columns freeze - Freeze panes Export to-csv - Export to CSV to-json - Export to JSON (first row as headers) to-markdown - Export to markdown table Colors Named colors: RED, GREEN, BLUE, YELLOW, WHITE, BLACK, GRAY, ORANGE, PURPLE, PINK, CYAN Hex colors: #FF0000, #4472C4, 00FF00 (with or without #) Common Workflows Create a report from data Update existing report Extract data for analysis Output Format All commands output JSON with success: true/false: Use --format markdown or --format csv with read command for alternative output.
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills sundial-org/excel