xlsx

Create and edit Excel workbooks with formulas across .xlsx, .xlsm, .csv, and .tsv formats.

2.0k|275|Updated Jan 13, 2026
One-click install
npx skills add https://github.com/OpenCoworkAI/open-cowork --skill xlsx-opencoworkai
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: xlsx
Source: https://github.com/OpenCoworkAI/open-cowork/tree/main/.claude/skills/xlsx
Command: npx skills add https://github.com/OpenCoworkAI/open-cowork --skill xlsx-opencoworkai

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Managing and analyzing spreadsheets across formats is tedious, error-prone, and time-consuming. This Skill provides automated workbook creation, editing with preserved formulas, and integrated data analysis to accelerate workflow and reduce manual effort.

Core Features & Use Cases

  • Automated workbook creation with formulas and formatting across .xlsx, .xlsm, .csv, and .tsv formats.
  • Read, analyze, and modify existing spreadsheets while preserving formulas and structure.
  • Visualize data and generate summaries directly within spreadsheets, or export results to common formats.

Quick Start

Create a new workbook example, populate a simple budget table with a formula, save as budget.xlsx, and run the included recalculation workflow if needed.

Frequently Asked Questions about xlsx

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

FAQPage Schema
How do I automate Excel workflow creation and analysis across multiple spreadsheet formats?

Automated Excel workflows handle spreadsheet creation, editing, and analysis across .xlsx, .xlsm, .csv, and .tsv formats. This process preserves formulas and structure while generating summaries and visualizations directly within your workbooks.

Can I edit existing spreadsheets while preserving formulas and data structure?

Yes, you can read and modify existing spreadsheets while preserving formulas and data structure. The automated editing workflow ensures original formatting and calculations remain intact during data analysis and modification tasks.

Do I need LibreOffice installed to recalculate spreadsheet formulas?

Yes, LibreOffice is required for formula recalculation via the included recalc.py script. This local tool dependency executes formula updates within .xlsx and .xlsm workbooks during automated data analysis workflows.

What is the best way to visualize spreadsheet data and export analysis results?

Visualizing spreadsheet data uses automated workflows to generate summaries and charts directly within workbooks. You can export these analysis results to common formats like .csv or .tsv for downstream data visualization tasks.

Does this spreadsheet automation approach work with .xlsm and .tsv file formats?

Yes, this spreadsheet automation approach supports .xlsx, .xlsm, .csv, and .tsv file formats. You can create new workbooks, read existing data, and apply formulas across all supported formats in real-world business tasks.

Why does my spreadsheet formula not update after automated data editing?

Spreadsheet formulas may not update automatically after data editing without a recalculation tool. Running the included recalc.py script via LibreOffice triggers formula recalculation to ensure values reflect the latest workbook changes.