xlsx

Create and edit Excel workbooks with formula validation via LibreOffice recalculation.

9|Updated Feb 14, 2026
One-click install
npx skills add https://github.com/koolamusic/claudefiles --skill xlsx-koolamusic
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: xlsx
Source: https://github.com/koolamusic/claudefiles/tree/main/skills/xlsx
Command: npx skills add https://github.com/koolamusic/claudefiles --skill xlsx-koolamusic

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

This Skill solves the challenge of creating, editing, validating, and analyzing spreadsheet files while maintaining professional formatting, reliable formulas, and data integrity.

Core Features & Use Cases

  • Spreadsheet Creation and Editing: Build new XLSX workbooks or modify existing Excel files with formulas, formatting, and structured data.
  • Data Analysis and Cleanup: Read, transform, and organize spreadsheet data, including messy tabular files requiring restructuring.
  • Formula Validation and Quality Control: Recalculate formulas, detect spreadsheet errors, and preserve existing templates when updating financial or operational models.

Quick Start

Use the xlsx skill to clean the attached spreadsheet, fix formula issues, and return a professionally formatted Excel workbook.

Frequently Asked Questions about xlsx

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

FAQPage Schema
How do I automate Excel workbook generation and data cleaning for messy spreadsheet files?

You can automate Excel workbook generation and data cleaning by applying spreadsheet processing libraries to read, transform, and restructure messy tabular files into professionally formatted workbooks.

Can I use openpyxl and pandas to validate formulas in existing financial models?

Yes, you can validate formulas in financial models by combining openpyxl and pandas with LibreOffice-based recalculation to detect spreadsheet errors and preserve existing templates.

What is the best way to fix formula issues and prevent workbook errors in xlsx files?

The best way to fix formula issues is to recalculate formulas using LibreOffice-based validation, which verifies calculations and prevents workbook errors in your xlsx files.

Does this spreadsheet processing approach support csv and tsv files alongside xlsx?

Yes, this spreadsheet processing approach supports csv and tsv files alongside xlsx and xlsm formats for data cleaning, modeling, formatting, and formula management tasks.

How do I modify existing Excel files while maintaining professional formatting and data integrity?

You can modify existing Excel files while maintaining professional formatting and data integrity by applying structured editing workflows that preserve templates and validate formulas during updates.