# Provenance: anthropic_xlsx

- **Source:** https://github.com/anthropics/skills
- **Path:** `skills/xlsx/`
- **Commit:** a5bcdd7
- **Date:** 2026-02-06
- **License:** Apache 2.0

## Contents

Excel/XLSX manipulation tools:
- `SKILL.md` - Skill definition with Excel formatting rules
- `recalc.py` - Recalculate Excel formulas via LibreOffice
- `office/` - Pack/unpack/validate Office XML formats (shared with docx)

## Modifications

None. Verbatim copy from upstream.
