xlsx

Name: xlsx
Availability: InStock
Author: sunchendd

Create, edit, and analyze multi-sheet spreadsheets with formulas and formatting.

3|1|Updated Feb 2, 2026

Search Tags:#templates #analysis #formulas #excel #xlsx #recalc

Ready to run

npx skills add https://github.com/sunchendd/good_skills --skill xlsx-sunchendd

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: xlsx
Source: https://github.com/sunchendd/good_skills/tree/main/xlsx
Command: npx skills add https://github.com/sunchendd/good_skills --skill xlsx-sunchendd

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill provides structured guidance for creating, editing, and analyzing spreadsheets with advanced formulas, formatting, and data organization across multiple sheets, while preserving existing templates and workflows.

Core Features & Use Cases

Create new spreadsheets with formulas and formatting, read and analyze data, and modify existing files while preserving formulas.
Support for multi-sheet workbooks, data analysis, visualization-ready formatting, and template consistency.
Use Case: Build financial models in Excel that include inputs, calculations, and charts, then recalculate to ensure all formulas update automatically.

Quick Start

Provide an Excel file and run recalc.py to recalculate all formulas after changes.

Frequently Asked Questions about xlsx

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

FAQPage Schema

How do I automate spreadsheet recalculation after modifying an Excel file?▼

Automate spreadsheet recalculation by providing your modified Excel file and running the recalc.py script, which uses LibreOffice to ensure all formulas update automatically across your workbook.

Can I modify existing xlsx files while preserving their formulas and template formatting?▼

Yes, you can modify existing xlsx files while preserving their formulas, formatting, and template conventions, making it ideal for template-preserving updates across existing workbooks.

Does this tool support building financial models with multiple sheets and charts?▼

Yes, it supports building financial models with multiple sheets, inputs, calculations, and charts, allowing you to structure data analysis dashboards and multi-sheet workflows effectively.

What spreadsheet formats can I create and analyze with this approach?▼

You can create, edit, and analyze spreadsheets in .xlsx, .xlsm, .csv, and .tsv formats, applying advanced formulas, formatting, and multi-sheet organization across these file types.

Do I need LibreOffice to recalculate Excel formulas automatically?▼

Yes, you need LibreOffice installed because the recalc.py script relies on it to recalculate all formulas automatically after changes are made to the spreadsheet.