xlsx

Automate Excel workbook processing, validation, and CSV conversion with openpyxl.

Updated Jan 29, 2026
One-click install
npx skills add https://github.com/metaid-developers/metaapp-skills --skill xlsx-metaid-developers
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: xlsx
Source: https://github.com/metaid-developers/metaapp-skills/tree/main/xlsx
Command: npx skills add https://github.com/metaid-developers/metaapp-skills --skill xlsx-metaid-developers

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires openpyxl, defusedxml, lxml, and includes scripts (resource) components.

What problem does it solve?

Excel data workflows are often manual, error-prone, and time-consuming; this Skill automates workbook creation, editing, validation, and conversion to streamline spreadsheet tasks.

Core Features & Use Cases

  • Automates reading, writing, formatting, and validating .xlsx/.xlsm/.csv/.tsv data via Python (openpyxl) and XML tooling.
  • Supports batch processing, data cleaning, formula updates, and format conversions across multiple workbooks, ideal for analysts cleaning large datasets.
  • Validates structural integrity of Office/OpenXML contents using included validators and can recalculate formulas with LibreOffice macros when data changes.

Quick Start

Create a new Excel workbook from sample data and apply bold headers.

Frequently Asked Questions about xlsx

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

FAQPage Schema
How do I automate Excel workbook processing and validation for multiple files?

You can automate Excel workbook processing and validation by running batch operations that read, write, format, and validate multiple .xlsx files using openpyxl and XML tooling. This streamlines spreadsheet workflows and reduces manual data cleaning errors across large datasets.

Can I convert CSV to Excel and apply formatting automatically?

Yes, you can convert CSV to Excel formats while simultaneously applying formatting and updating formulas. The conversion process handles .csv, .tsv, and .xlsx files, allowing you to transform raw delimited data into structured, formatted workbooks in a single automated pass.

Do I need LibreOffice to recalculate formulas in an Excel workbook?

Yes, LibreOffice is required for recalculating formulas when data changes within an Excel workbook. While openpyxl handles reading and writing workbook content, LibreOffice macros execute the actual formula recalculation to ensure updated values are accurate and persist.

What is the best way to validate Office OpenXML structural integrity for spreadsheets?

The best way to validate Office OpenXML structural integrity is using XML validators equipped with defusedxml and lxml. These tools inspect the underlying XML structure of .xlsx and .xlsm files, ensuring the documents are well-formed and safe from XML-based security vulnerabilities.

Does openpyxl support batch data cleaning across multiple Excel workbooks?

Yes, openpyxl supports batch data cleaning across multiple Excel workbooks. You can script automated workflows to read, modify, and write back cleaned data across numerous .xlsx files, which is ideal for analysts managing large spreadsheet datasets efficiently.

Why does my Excel formula not update after automated data cleaning?

Excel formulas do not automatically update after data cleaning because openpyxl writes static values without a calculation engine. You must trigger a formula recalculation using LibreOffice macros to refresh and persist the updated formula results in the workbook.