cxcscmu/excel-xlsx-skill
Use the xlsx skill tool to create, read, modify and analyze Excel spreadsheets with formulas and formatting.
npx skills add https://github.com/cxcscmu/SkillLearnBench --skill excel-xlsx-skill
Take cxcscmu/excel-xlsx-skill from the repository into ~/.claude/skills for personal
use, or into .claude/skills inside a project.
The agent identifies a skill by the name field in its header. Two skills with the
same name cannot sit side by side — one of them will be ignored.