xlsx

Process spreadsheet inputs into formatted Excel workbooks with validation.

415|49|Updated Apr 30, 2026
One-click install
npx skills add https://github.com/Darwin-Agent/HarnessX --skill xlsx-darwin-agent
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: xlsx
Source: https://github.com/Darwin-Agent/HarnessX/tree/main/extensions/skills/xlsx
Command: npx skills add https://github.com/Darwin-Agent/HarnessX --skill xlsx-darwin-agent

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

This Skill automates the end-to-end handling of spreadsheet files, reducing manual effort by cleaning, formatting, validating, and transforming data into polished Excel workbooks.

Core Features & Use Cases

  • Automated workbook creation: clean and structure data, apply templates, and enforce formatting standards across .xlsx, .xlsm, .csv, and .tsv inputs.
  • Validation & integrity: verify content with lightweight checks and generate reliable error reports to prevent corrupted outputs.
  • Use Cases: convert messy exports into production-ready spreadsheets for reporting and analytics, with reproducible pipelines.

Quick Start

Input your raw dataset and run the skill to output a polished Excel workbook.

Frequently Asked Questions about xlsx

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

FAQPage Schema
How do I automate cleaning and formatting raw CSV exports into Excel workbooks?

You can automate cleaning and formatting raw CSV exports into Excel workbooks by processing .csv and .tsv inputs to apply templates, enforce formatting standards, and produce polished .xlsx files. This handles structuring data and applying validation checks automatically.

What is the best way to validate spreadsheet data before generating production-ready Excel files?

Validating spreadsheet data before generating production-ready Excel files involves running lightweight content checks and XML validation using defusedxml and lxml. This process verifies integrity and generates reliable error reports to prevent corrupted outputs.

Does openpyxl support converting messy .xlsm files into clean .xlsx outputs?

Yes, openpyxl supports converting messy .xlhm files into clean .xlsx outputs by reading the input formats and applying template-based transformations. The skill handles .xlsx, .xlsm, .csv, and .tsv inputs to create reproducible data pipelines.

How do I apply formatting templates across multiple spreadsheet files automatically?

Applying formatting templates across multiple spreadsheet files automatically requires feeding raw datasets into the skill. It enforces formatting standards and structures data across various inputs, resulting in polished, production-ready Excel workbooks for reporting.

Why does my Excel workbook output fail validation checks during automated processing?

Excel workbook outputs fail validation checks during automated processing when lightweight content verification detects inconsistencies or corrupted data. The system generates robust error reports using XML validation to identify and prevent these compromised outputs.

Can I use this skill to build reproducible data pipelines for Excel reporting?

Yes, you can use this skill to build reproducible data pipelines for Excel reporting by transforming raw inputs into polished workbooks. It cleans, formats, and validates data across .xlsx, .xlsm, .csv, and .tsv formats for consistent analytics outputs.