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royhenengel
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xlsx

Create, edit, and analyze Excel spreadsheets with formulas and pandas.

Updated Dec 22, 2025
Search Tags:#data analysis#pandas#openpyxl#formulas#spreadsheet#excel#libreoffice
One-click install
npx skills add https://github.com/royhenengel/Claude-Customizations --skill xlsx-royhenengel
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: xlsx
Source: https://github.com/royhenengel/Claude-Customizations/tree/main/skills/Documentation/xlsx
Command: npx skills add https://github.com/royhenengel/Claude-Customizations --skill xlsx-royhenengel

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill streamlines the creation, editing, and analysis of spreadsheet files, ensuring data integrity and efficient workflow management.

Core Features & Use Cases

  • Dynamic Spreadsheet Creation: Generate new .xlsx files with formulas, formatting, and data.
  • Data Analysis & Manipulation: Read, analyze, and modify existing spreadsheets using pandas and openpyxl.
  • Formula Recalculation & Validation: Ensure formula accuracy and identify errors using LibreOffice integration.
  • Use Case: Automatically create a financial projection model in Excel, populate it with user-defined assumptions, and ensure all formulas are correctly calculated and error-free.

Quick Start

Use the xlsx skill to create a new spreadsheet named 'sales_report.xlsx' with columns for 'Date', 'Product', and 'Revenue', and add a formula in the 'Total Revenue' cell to sum the 'Revenue' column.

Frequently Asked Questions about xlsx

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

FAQPage Schema
How do I create an Excel file with formulas and formatting automatically?▼

To create an Excel file with formulas and formatting, this skill generates new .xlsx files populated with your data, applies advanced formatting, and inserts formulas for dynamic spreadsheet creation.

Can I use pandas and openpyxl to analyze existing Excel spreadsheets?▼

Yes, you can analyze existing Excel spreadsheets using pandas and openpyxl. This skill reads, modifies, and manipulates your spreadsheet data to support comprehensive data analysis and reporting workflows.

What is the best way to validate Excel formulas without opening the file?▼

The best way to validate Excel formulas without opening the file is using LibreOffice integration. This skill recalculates formulas and checks for errors to ensure formula accuracy and data integrity.

Does this spreadsheet management approach support .csv and .tsv files?▼

Yes, this spreadsheet management approach supports .csv and .tsv files. It handles comprehensive creation, editing, and analysis for Excel formats including .xlsx, .xlsm, .csv, and .tsv.

How do I build a financial projection model in Excel with dynamic updates?▼

To build a financial projection model in Excel with dynamic updates, this skill populates user-defined assumptions into your spreadsheet and ensures all formulas are correctly calculated and error-free for financial modeling.

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