xlsx

Comprehensive spreadsheet creation, editing, and analysis with support for formulas, formatting, data analysis, and visualization. When Claude needs to work with spreadsheets (.xlsx, .xlsm, .csv, .tsv, etc) for: (1) Creating new spreadsheets with formulas and formatting, (2) Reading or analyzing data, (3) Modify existing spreadsheets while preserving formulas, (4) Data analysis and visualization in spreadsheets, or (5) Recalculating formulas

1.56x

Quality

80%

Does it follow best practices?

Impact

80%

1.56x

Average score across 3 eval scenarios

Securityby

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The risk profile of this skill

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Run	Type	Date	Status
baseline vs usage-spec With / without context 7 months ago Completed	With / without context	7 months ago	Completed

Eval run

019cc752-dea4-74ac-bd79-133ce4bfd6b1

Run 7 months ago

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Repository: majiayu000/claude-skill-registry
Path: skills/data/06-office-excel/SKILL.md
Commit: 4642edf

Evaluated: 7 months ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

SaaS Startup P&L Projection Model Quarterly Sales Performance Report M&A Deal Tracker: Update Template with New Transaction Data

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