skillsaas

Microsoft Excel — Development skill for Claude Code

Development community

Agent skill for Microsoft Excel for Claude Code, Cursor, Codex and other SKILL.md agents: read, edit and verify .xlsx/.xlsm/.csv with openpyxl, recalculate with LibreOffice, automate with Office.js, V.

How to install Microsoft Excel

This entry records only its repository, not the path inside it, so there is no exact command to give. Open skillsaas/microsoft-excel and copy the folder into ~/.claude/skills/, or the file into ~/.claude/agents/.

What Microsoft Excel does

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README

Microsoft Excel agent skill

**TL;DR:** `microsoft-excel` is a free, MIT-licensed agent skill that teaches AI agents (Claude Code, Cursor, Codex, Gemini CLI and other agents that read SKILL.md skills) to read, create, edit, recalculate and verify Excel workbooks without breaking them, with openpyxl, xlsxwriter, pandas, Office.js, Office Scripts, VBA and Microsoft Graph. Install: `npx skills add skillsaas/microsoft-excel` or `npm install microsoft-excel`.

`microsoft-excel` is an [Agent Skills](https://agentskills.io/specification) skill that teaches AI coding agents (Claude Code, Cursor, Codex, Gemini CLI and others) to read, create, edit, recalculate and verify Excel workbooks without breaking them.

Unofficial. Microsoft and Excel are trademarks of Microsoft Corporation. This project is not affiliated with or endorsed by Microsoft.

Use it when

Writing or debugging Excel formulas (XLOOKUP, dynamic arrays, LAMBDA, SUMIFS).
Creating or editing .xlsx, .xlsm or .csv files with openpyxl, xlsxwriter or pandas when Excel is not installed.
Getting calculated values without Excel (forced LibreOffice recalculation).
Automating Excel with Office.js, Office Scripts, VBA, COM/xlwings or Microsoft Graph.
Fixing wrong totals, lost leading zeros, shifted dates, CSV import damage, #NAME? or #SPILL!.
Handling workbooks from untrusted sources safely.

Install

npx skills add skillsaas/microsoft-excel            # vercel-labs skills CLI, reads SKILL.md at the repo root
npm install microsoft-excel              # files land in node_modules/microsoft-excel/
# Planned, not yet published: npx @skillsaas/cli add microsoft-excel --claude

Manual: copy `SKILL.md`, `references/` and `scripts/` into your agent's skills folder, for example `~/.claude/skills/microsoft-excel/`. Keep the folder name `microsoft-excel`. Typical locations: Claude Code `~/.claude/skills/`, other agents in their own skills folder (check your agent's docs). SKILL.md calls scripts as `py