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
Information
Author:anthropics
Category:Implementation Skills
Added:1/24/2026
Version:1.0.0
Tags
spreadsheet
xlsx
excel
Installation
Run this command in your terminal to install this skill:
npx skills add https://github.com/anthropics/skills/tree/main/skills/xlsx --skill Xlsx