BrowseFull catalogOutcomesSolve a specific problemRolesStack by teamTrustFilter by risk tier
← Back to the Claude Observatory

Excel/Spreadsheet Skill (Anthropic)

Skill Data & Analytics Solid
Works inClaude Code
Solid Reviewed

Eliminates manual spreadsheet work and reduces errors in financial reporting, forecasting, and data validation—critical for compliance and decision-making in…

Creates, reads, edits, and manipulates Excel spreadsheets (.xlsx, .xlsm, .csv, .tsv). Handles formulas, formatting, charts, and data analysis. Official Anthropic skill.

160,718 starsFreeQuick setup

Eliminates manual spreadsheet work and reduces errors in financial reporting, forecasting, and data validation—critical for compliance and decision-making in enterprise environments.

Finance teams, business analysts, and data engineers automating routine spreadsheet tasks and bulk data transformations.

Claude Code Claude Cowork Claude Chat

https://github.com/anthropics/skills

How to Get It

Option 1: Claude Desktop App (Code Mode)Click the + button next to the prompt box → PluginsAdd plugin. Search and click Install. Skills work in Claude Code only.
Option 2: Paste into Claude CodeCopy the command below and paste it into your conversation. Claude will install it.
Command
/plugin marketplace add anthropics/skills   then   /plugin install document-skills@anthropic-agent-skills   (also pre-installed for Claude.ai paid plans)

Tip: Paste this into a Claude Code conversation. Verify command matches your Claude Code version.

First thing to try

After installing, paste this into Claude:

Help me create formatted spreadsheets with formulas and charts
CostFree

Trust Signals Reviewed

Stars160,718Contributors14Last updated2026-07-01Known CVEsNone foundSources: GitHub Advisory Database + OSV.dev · Scanned 2026-07-20 · scanner vattempted-no-data

Reviewer notes

Reviewed review. These are observations, not a security certification.

Official Anthropic tool.

Official Anthropic tool. Highest trust level in the ecosystem.

Things to check

  • Limited to .xlsx, .xlsm, .csv, and .tsv formats; complex VBA macros or advanced Excel features may not be fully supported. Performance degrades on very large files (100K+ rows).

How to evaluate tools before deploying →

Data shown here comes from public APIs and automated scanning. Reviewer notes reflect one person's experience. This is not a security certification or legal recommendation. Always evaluate tools according to your own organization's policies.

Evaluation

Ease of Use
4/5
Versatility
4/5
Reliability
4/5
Security
5/5
Overall score4.15 / 5.00 SolidEvaluatedApr 2026
Official Anthropic tool.

Related Outcomes

This tool shows up in these problem-focused recommendations.

← Back to the Claude Observatory

Rolling Claude out in your org? Let's talk.

Start a conversation →