xlsx

Create and edit Excel spreadsheets with formulas via LibreOffice recalculation.

Updated Apr 6, 2026
One-click install
npx skills add https://github.com/fantay0312/fantayspec --skill xlsx-fantay0312
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: xlsx
Source: https://github.com/fantay0312/fantayspec/tree/main/shared/skills/skills-all/xlsx
Command: npx skills add https://github.com/fantay0312/fantayspec --skill xlsx-fantay0312

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill reduces manual spreadsheet work by automating creation, editing, formatting, and formula-based analysis across Excel-compatible files.

Core Features & Use Cases

  • Create new spreadsheets with embedded formulas and consistent formatting
  • Read, analyze, and summarize data across sheets and templates
  • Update existing templates while preserving formulas and styles
  • Recalculate formulas using a LibreOffice-backed workflow to verify results

Quick Start

Create a new spreadsheet template with a simple budget and automatic formulas.

Frequently Asked Questions about xlsx

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

FAQPage Schema
How do I automate spreadsheet creation and formatting while preserving formulas?

You can update existing spreadsheet templates while preserving formulas and styles by applying automated edits. The workflow recalculates formulas using LibreOffice to verify results and maintain formula integrity across updated sheets.

What's the best way to recalculate formulas in an Excel-compatible file?

Spreadsheet analysis covers summarizing data across sheets and templates, building financial models, and creating dashboards. It leverages automated recalculation and formula preservation to maintain data validation and conditional formatting.

Does this spreadsheet automation approach work with existing financial models?

Spreadsheet analysis covers summarizing data across sheets and templates, building financial models, and creating dashboards. It leverages automated recalculation and formula preservation to maintain data validation and conditional formatting.

Can I apply conditional formatting and data validation to new spreadsheets automatically?

Yes, you can create new spreadsheets with embedded formulas, consistent formatting, conditional formatting, and data validation automatically. The workflow meets these requirements while ensuring formulas are preserved and recalculated correctly.

Why do my spreadsheet formulas break when I automate template updates?

Formulas break during manual template updates because standard editing often overwrites calculation logic. This Skill prevents that by applying edits while preserving formulas and using LibreOffice via recalc.py to verify recalculated results.