# XLSX

> Create, read, edit spreadsheet files (.xlsx, .xlsm, .csv, .tsv). Supports formulas, formatting, charts, data cleaning, and financial modeling conventions.

- Skill: `varunk130/xlsx` (Agent Skill)
- Install (CLI): `npx skillmds@latest add varunk130/xlsx`
- Raw SKILL.md: https://api.skillmd.com/api/skills/varunk130/xlsx/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Data & Analytics
- Author: varunk130 (https://skillmd.com/u/varunk130)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/varunk130/xlsx

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# XLSX Skill

Uses pandas (data analysis) and openpyxl (formulas/formatting). Financial model standards: blue text for inputs, black for formulas, industry number formatting. Mandatory formula recalculation with scripts/recalc.py.