# XLSX

> Use this skill for spreadsheet operations: create, edit, analyze Excel files with formulas and formatting

- Skill: `loongyowl/xlsx` (Agent Skill)
- Install (CLI): `npx skillmds@latest add loongyowl/xlsx`
- Raw SKILL.md: https://api.skillmd.com/api/skills/loongyowl/xlsx/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Data & Analytics
- License: Proprietary
- Author: loongyowl (https://skillmd.com/u/loongyowl)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/loongyowl/xlsx

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# XLSX Skill

Use this skill when working with .xlsx, .xlsm, .csv, or .tsv files.

## Features
- Create and edit Excel files
- Add formulas and formatting
- Data analysis with pandas
- Financial modeling with color coding