Claude Skill Verified

xlsx

Create, edit, and analyze Excel spreadsheets with formula support.

Verified trust tier

This skill comes from an official source or has passed a security audit.

What is xlsx?

Creates, edits, and analyzes Excel spreadsheets with formulas, formatting, and error-free calculations. Supports multiple file formats (xlsx, xlsm, csv, tsv) and automatically recalculates formulas while scanning for common Excel errors.

Best for

xlsx is ideal for developers, teams, and agents who need to create, edit, and analyze excel spreadsheets with formula support.. Whether you're automating workflows, improving code quality, or extending functionality, this claude skill integrates directly into Claude Code.

Why use xlsx?

Integrates seamlessly with Claude Code
From anthropics
Battle-tested by 78,000 developers
Open ecosystem standard — works across agents

Installs78,000

GitHub stars133,600

Owneranthropics

Installation and usage

Getting started with xlsx is straightforward. Follow the steps below to install this claude skill into your Claude Code environment and start using it immediately.

How to install

Make sure you have Claude Code installed. Run claude in your terminal — if it opens, you're ready.

Visit the skills.sh page for this tool and follow the install instructions. Most skills install with a single command run inside Claude Code.

After installing, type / inside Claude Code to see your installed skills and invoke them by name.

Go to install page →