xlsx

Create, edit, and analyze Excel workbooks with formula preservation and recalculation.

Updated Feb 15, 2026
One-click install
npx skills add https://github.com/aleph23/Natasha --skill xlsx-aleph23
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: xlsx
Source: https://github.com/aleph23/Natasha/tree/main/skills/document-skills/xlsx
Command: npx skills add https://github.com/aleph23/Natasha --skill xlsx-aleph23

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps users automate the creation, editing, and analysis of Excel workbooks, preserving formulas and formatting while enabling data-driven decisions.

Core Features & Use Cases

  • Create new spreadsheets with formulas and formatting
  • Read, analyze, and visualize data across .xlsx, .xlsm, .csv, and .tsv
  • Modify existing spreadsheets while preserving formulas and templates
  • Recalculate formulas using built-in LibreOffice integration to ensure up-to-date results

Quick Start

Create or update an Excel workbook with formulas and formatting, and automatically recalculate all formulas.

Frequently Asked Questions about xlsx

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

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

To automate Excel spreadsheet creation while preserving formulas and formatting, this Skill uses Python tooling to generate .xlsx workbooks with intact formulas and applied styling. It enables data-driven decisions by maintaining templates during automated edits.

Can I read and analyze .xlsm, .csv, and .tsv files for reporting workflows?

Yes, you can read and analyze .xlsm, .csv, and .tsv files for reporting workflows. The Skill processes these formats to extract data, perform analysis, and support visualization tasks across business and analytics operations.

How do I recalculate formulas in an existing Excel workbook automatically?

You can recalculate formulas in an existing Excel workbook automatically using the built-in LibreOffice integration. This recalculates all formulas to ensure results are up-to-date without requiring manual recalculation or opening the file in Excel.

Does this spreadsheet automation approach work for modifying existing templates?

Yes, this spreadsheet automation approach works for modifying existing templates. It reads, edits, and updates Excel workbooks while strictly preserving the original formulas and formatting, making it suitable for budgeting and reporting tasks.

What is the best way to edit .xlsx files without losing existing formulas?

The best way to edit .xlsx files without losing existing formulas is using Python tooling with LibreOffice-based recalculation scripts. This approach modifies spreadsheet data and formatting while ensuring all formula structures remain completely intact.