xlsx

Create, edit, and analyze XLSX files with formulas and pandas.

35|10|Updated Dec 29, 2025
One-click install
npx skills add https://github.com/ttmouse/skills --skill xlsx-ttmouse
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: xlsx
Source: https://github.com/ttmouse/skills/tree/main/xlsx
Command: npx skills add https://github.com/ttmouse/skills --skill xlsx-ttmouse

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

This Skill streamlines the creation, modification, and analysis of spreadsheet files, ensuring data integrity and dynamic calculations.

Core Features & Use Cases

  • Dynamic Spreadsheet Creation: Generate new .xlsx files with formulas, formatting, and data.
  • Data Analysis & Manipulation: Use pandas for in-depth data analysis and visualization.
  • Formula Preservation & Recalculation: Edit existing spreadsheets while preserving formulas, and use a dedicated script to ensure all formulas are correctly recalculated and validated.
  • Use Case: Analyze sales data from an existing Excel file, create a new summary sheet with calculated growth rates, and ensure all formulas are error-free before saving.

Quick Start

Use the xlsx skill to analyze the data in 'sales_report.xlsx' and create a new file 'summary.xlsx' with calculated quarterly totals.

Frequently Asked Questions about xlsx

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

FAQPage Schema
How do I edit an existing Excel file while preserving formulas and structure?

Editing an existing Excel file while preserving formulas requires targeted manipulation that avoids overwriting formula cells. This skill modifies existing spreadsheets while preserving formulas and maintaining structural integrity, ensuring your dynamic calculations remain intact throughout the editing process.

How do I recalculate formulas in an xlsx spreadsheet to ensure accuracy?

Recalculating formulas in an xlsx spreadsheet ensures accuracy by triggering a recalculation engine to recompute all cell values. This skill uses a dedicated script with LibreOffice to ensure all formulas are correctly recalculated and validated for error-free results.

Can I use pandas for data analysis on an existing Excel spreadsheet?

Yes, you can use pandas for data analysis on an existing Excel spreadsheet to perform in-depth data manipulation and extract insights. This skill leverages pandas to handle data analysis tasks, enabling you to process spreadsheet data and generate calculated summaries from your xlsx files.

What's the best way to create a new xlsx file with complex formulas and formatting?

The best way to create a new xlsx file with complex formulas is using a library that supports dynamic spreadsheet generation. This skill enables dynamic spreadsheet creation, generating new .xlsx files populated with formulas, formatting, and structured data programmatically.

Does this spreadsheet tool require LibreOffice to validate formulas?

Yes, validating spreadsheet formulas requires LibreOffice to ensure accurate recalculation and error checking. This skill depends on LibreOffice to run a dedicated script that forces formula recalculation and validates results, guaranteeing data integrity before saving your xlsx files.