FIELD NOTE / AGENT SKILL

Spreadsheet Toolkit.

Create and revise spreadsheet files with formula and layout checks.

DataAnthropicSource checked 12 Oct 2026
01 / FIT

When it earns a place.

Deliver an XLSX or analyze tabular files with a spreadsheet output.

02 / SETUP

How to start.

Read the linked instructions and proprietary license. Anthropic documents the document-skills plugin for Claude Code; use these materials only under the applicable Anthropic service terms.

Open the original instructions
03 / COMPATIBILITY

What it needs.

Claude Code document-skills plugin with the local tools and libraries described upstream; use follows the applicable Anthropic terms.

04 / WATCH FOR

Before you connect it.

Check formulas and calculated values independently for consequential decisions, and review the skill's proprietary license before reuse.