XLSX Skill
by Anthropic
Instructions and supporting tools for reading, editing and creating spreadsheet files.
Skills
XLSX Skill
Added 17 May 2026
Our take
An assistant producing a workbook with formulas, formatting or cleaned data.
Choose something else if: you need live control of a spreadsheet application rather than file-based work.
What it does
Instructions and supporting tools for reading, editing and creating spreadsheet files.
Why consider it
- Covers spreadsheet creation, editing and analysis.
- Includes practical guidance for formulas and file handling.
What to watch for
- Requires a compatible skill runtime and dependencies.
- Source availability does not imply an unrestricted open-source licence.
Cost and deployment
Host/model costs and the skill's licence terms apply.
Runs within a compatible assistant environment.
Plan prices and availability change. Check the linked documentation before committing.
Start here
Use the official skill in a compatible environment and check its dependency requirements.
A first task to try
Supply three sample sales rows and request a workbook with a formula-based total. Open it and check the formula and result.
Suggested exercise, not an installation test. We reviewed the linked documentation; no host compatibility is implied.
Sources and review
Sources checked 18 October 2026. A source review confirms what the documentation describes. It does not certify security, performance or a successful installation. Read our method.
Other options to understand
Related tools can solve different parts of the same job. Compare fit before treating them as replacements.
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