XLSX Skill

Anthropic-official Claude skill for Excel-style spreadsheets. Build formulas, run analysis, generate charts, all from plain English — no Excel installation required.

What it does

• Excel formulas from natural-language descriptions
• Data analysis (pivots, aggregations, summaries)
• Chart generation
• Outputs .xlsx files directly

Type and platform

• Type: skill (Anthropic-official)
• Platforms: Claude Code
• Status: tracked

Hands-on notes

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Sources

• The Only Claude Skills You Need in 2026 (2026-04-08)

See Also

• agent-plugins
• pptx-skill
• pdf-processing-skill