Excel/Spreadsheet Skill (Anthropic)

Name: Excel/Spreadsheet Skill (Anthropic) Review
Item: Excel/Spreadsheet Skill (Anthropic)
Rating: 4.2
Author: Aaron Matthews

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.

Create formatted spreadsheets with formulas and charts
Analyze data in existing spreadsheet files without manual work
Convert raw data files into polished business reports

183,612 starsFreeQuick setup

⚠ Evaluation last done 2026-04-02 (212 days ago) — the score may not reflect recent changes to this tool.

Why it matters

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

Best for

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

Works in

Claude Code Claude Cowork Claude Chat

Source

https://github.com/anthropics/skills

How to Get It

Option 1: Claude Desktop App (Code Mode)Click the + button next to the prompt box → Plugins → Add 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

Stars183,612Contributors16Last updated2026-10-09Known CVEsNone foundSources: GitHub Advisory Database + OSV.dev · Scanned 2026-10-25 · 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 Scores

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.

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Recommended for Analyze a messy spreadsheet

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