xlsx

Create, edit, and analyze Excel spreadsheets with pandas and openpyxl.

Updated Aug 27, 2026
One-click install
npx skills add https://github.com/chacha95/advanced-harness --skill xlsx-chacha95
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: xlsx
Source: https://github.com/chacha95/advanced-harness/tree/main/.claude/skills/xlsx
Command: npx skills add https://github.com/chacha95/advanced-harness --skill xlsx-chacha95

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

This Skill automates the creation, editing, and analysis of Excel spreadsheets, eliminating manual data manipulation and formula errors.

Core Features & Use Cases

  • Data Manipulation: Read, write, and modify .xlsx, .csv, and .tsv files using pandas and openpyxl.
  • Formula Management: Ensure zero formula errors and preserve existing templates.
  • Use Case: Automatically generate a monthly sales report by pulling data from a database, applying complex calculations with Excel formulas, and formatting it according to company standards.

Quick Start

Use the xlsx skill to create a new spreadsheet named 'sales_report.xlsx' with columns 'Date', 'Sales', and 'Region'.

Frequently Asked Questions about xlsx

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

FAQPage Schema
How do I automate Excel report generation without formula errors?

Automating Excel report generation without formula errors is handled by using Python libraries like pandas and openpyxl to programmatically apply calculations and format spreadsheets. This ensures zero formula errors and preserves existing templates while pulling and processing data.

Can I use Python to clean messy data and convert between CSV and xlsx files?

Yes, you can use Python to clean messy data and convert between CSV and xlsx files. By leveraging pandas and openpyxl, the skill reads, writes, and modifies tabular formats like .xlsx, .csv, and .tsv, seamlessly transforming and cleaning the data during the conversion process.

Do I need LibreOffice to recalculate Excel formulas in openpyxl?

Yes, you need LibreOffice to recalculate Excel formulas in openpyxl. The skill requires LibreOffice specifically for formula recalculation via a dedicated script, ensuring that all computed formulas return correct values when modifying spreadsheets programmatically.

What is the best way to add columns and format charts in an existing spreadsheet?

The best way to add columns and format charts in an existing spreadsheet is using Python automation tools like pandas and openpyxl. This method handles data manipulation, computes formulas, and applies formatting while ensuring existing templates are fully preserved.

Does this Excel automation approach work with TSV files?

Yes, this Excel automation approach works with TSV files. Using pandas and openpyxl, the skill fully supports reading, writing, and modifying .xlsx, .csv, and .tsv tabular formats, allowing seamless data manipulation and conversion across all supported file types.