Excel / Spreadsheets (XLSX)
Create, edit, and clean .xlsx, .xlsm, .csv, and .tsv files — including formulas, formatting, charts, and data cleanup
By Anthropic
/plugin install xlsx@anthropic-skills
How to install
Claude Code PluginPlugins are a Claude Code feature installed from a marketplace.
- Add the marketplace (only needed once):
/plugin marketplace add anthropic-skills
- Install the plugin:
/plugin install xlsx@anthropic-skills
It becomes available immediately as slash commands, skills or agents — no restart needed.
Exact steps can vary per project — always double-check the original source. New to this? Read the full install guide →
Source
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