Anthropic · Agent Skill
xlsx
Use this skill any time a spreadsheet file is the primary input or output. This means any task where the user wants to: open, read, edit, or fix an existing .xlsx, .xlsm, .xltx, .csv, or .tsv file (e.g., adding columns, computing formulas, formatting, charting, cleaning messy data); create a new…
- Repository owner
- anthropics
Install
Read the SKILL.md and any scripts before installing: a skill runs with your agent's permissions. This copies just this skill into Claude Code's user skills folder; other agents read skills from their own folder.
Claude Code (user-level)
git clone --depth 1 --filter=blob:none --sparse https://github.com/anthropics/skills.git /tmp/skills cd /tmp/skills && git sparse-checkout set "skills/xlsx" mkdir -p ~/.claude/skills && cp -r "skills/xlsx" ~/.claude/skills/xlsx
Skills folder docs:
Works with
Agent Skills is an open format, so this skill loads in any harness that supports it, including Claude Code, Codex, Gemini CLI, OpenCode, Cursor, GitHub Copilot, goose, OpenHands. Some skills are written for one product and say so in their description.
More skills from Anthropic
Reviewed Oct 5, 2026. Name and description are the skill's own frontmatter.