Agent skill
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
Install this agent skill to your Project
npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/other/other/xlsx-official-spencergeee-spentrade
SKILL.md
Requirements for Outputs
All Excel files
🧠 Knowledge Modules (Fractal Skills)
1. Zero Formula Errors
2. Preserve Existing Templates (when updating templates)
3. Color Coding Standards
4. Number Formatting Standards
5. Formula Construction Rules
6. Data analysis with pandas
7. ❌ WRONG - Hardcoding Calculated Values
8. ✅ CORRECT - Using Excel Formulas
9. Creating new Excel files
10. Editing existing Excel files
11. Essential Verification
12. Common Pitfalls
13. Formula Testing Strategy
14. Interpreting recalc.py Output
15. Library Selection
16. Working with openpyxl
17. Working with pandas
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