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xlsx

Create, edit, and analyze Excel workbooks while preserving formulas and templates.

6|2|Updated Oct 2, 2025
Search Tags:#automation#financial modeling#data analysis#pandas#openpyxl#spreadsheet#excel
One-click install
npx skills add https://github.com/lizTheDeveloper/ai_game_theory_simulation --skill xlsx-lizthedeveloper
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: xlsx
Source: https://github.com/lizTheDeveloper/ai_game_theory_simulation/tree/main/.claude/skills/xlsx
Command: npx skills add https://github.com/lizTheDeveloper/ai_game_theory_simulation --skill xlsx-lizthedeveloper

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires pandas, openpyxl, libreoffice, and includes scripts (resource) components.

What problem does it solve?

This Skill eliminates the tedious manual work of creating, editing, and analyzing spreadsheets, reducing formula errors and ensuring consistent, professional formatting. It saves you hours on financial modeling, data reporting, and complex data manipulation.

Core Features & Use Cases

  • Dynamic Spreadsheet Creation: Generate new Excel files with formulas, formatting, and data validation, adhering to industry-standard conventions.
  • Intelligent Editing: Modify existing spreadsheets while preserving complex formulas, styles, and data integrity.
  • Data Analysis & Visualization: Extract, analyze, and visualize data using powerful tools like pandas, then integrate insights back into Excel for dynamic reporting.
  • Use Case: Quickly create a comprehensive financial model from raw data, ensuring all calculations are formula-driven, color-coded for clarity, and adhere to specific number formatting standards.

Quick Start

Create a new Excel file named 'quarterly_sales_report.xlsx'. Add a sheet named 'Sales Data' and populate it with columns for 'Month', 'Product', and 'Revenue'. Add a formula in cell B10 to sum the 'Revenue' column, and ensure all currency values are formatted as '$#,##0'.

Frequently Asked Questions about xlsx

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I automate creating Excel spreadsheets with formulas and formatting?▼

Automate spreadsheet creation by using openpyxl to generate .xlsx files with formula-driven calculations, color coding, and currency formatting. This ensures consistent professional formatting and eliminates manual formula errors across financial models and data reports.

Can I modify existing Excel files without breaking formulas and templates?▼

Yes, intelligently edit existing spreadsheets while preserving complex formulas, styles, and data integrity. The Skill handles .xlsx, .xlsm, .csv, and .tsv formats, maintaining template structure and recalculating formulas using LibreOffice to prevent errors.

What's the best way to extract data from spreadsheets and integrate analysis back into Excel?▼

Extract and analyze spreadsheet data using pandas for powerful data manipulation, then integrate insights back into Excel for dynamic reporting. This combines data analysis capabilities with professional formatting and formula-driven workflows.

Do I need to manually recalculate formulas after editing Excel files?▼

No, the recalc.py script with LibreOffice automatically recalculates all formulas after modifications, ensuring zero formula errors. This mandatory recalculation step maintains accuracy across financial models and complex data workflows.

Can I use this for financial modeling with specific number formatting conventions?▼

Yes, create comprehensive financial models with formula-driven calculations, strict formatting conformance, and industry-standard conventions like currency symbols and decimal alignment. Templates and assumptions are separated into dedicated cells for clarity and maintainability.

Does this work with CSV and TSV files, or only Excel formats?▼

It works with .xlsx, .xlsm, .csv, and .tsv formats, supporting data analysis and spreadsheet operations across multiple file types. This flexibility enables workflow integration with diverse data sources and reporting systems.

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