xlsx

Manipulate and convert XLSX, XLSM, CSV, and TSV spreadsheet files.

Updated Feb 21, 2026
One-click install
npx skills add https://github.com/patriot718/aspire --skill xlsx-patriot718
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: xlsx
Source: https://github.com/patriot718/aspire/tree/main/skills/xlsx
Command: npx skills add https://github.com/patriot718/aspire --skill xlsx-patriot718

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

This Skill automates spreadsheet file manipulation and conversion workflows, enabling users to open, read, edit, format, and convert across common spreadsheet formats.

Core Features & Use Cases

  • Open existing spreadsheets to add columns, apply formulas, format cells, and create charts.
  • Create new spreadsheets from scratch or from data sources, then export to XLSX, CSV, TSV, or other formats.
  • Clean, restructure, and validate messy tabular data to produce clean, production-ready spreadsheets.

Quick Start

Provide a spreadsheet and specify the edits you want, for example: "Clean the xlsx in downloads and export as CSV."

Frequently Asked Questions about xlsx

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

FAQPage Schema
How do I automate spreadsheet formatting and data cleaning for XLSX files?

Automate spreadsheet formatting and data cleaning by providing an XLSX file and specifying edits like adding columns or validating messy tabular data. The Skill uses deterministic Python scripts to apply formulas and format cells, delivering a clean, production-ready spreadsheet.

Can I convert CSV to XLSX or TSV formats automatically?

Convert CSV to XLSX or TSV by providing your input file and specifying the target output format. The Skill handles format conversion workflows across XLSX, XLSM, CSV, and TSV inputs, exporting the final spreadsheet as a new file.

Does this approach work with XLSM files or only standard Excel spreadsheets?

This approach works with both standard Excel spreadsheets and XLSM files. It handles tasks on XLSX, XLSM, CSV, and TSV inputs, allowing you to open, read, edit, and format these files before exporting to your desired format.

What is the best way to apply formulas to existing spreadsheet data without opening Excel?

The best way to apply formulas to existing spreadsheet data without opening Excel is to use an automation script. You provide the spreadsheet and specify the formulas needed, and the Skill applies them deterministically using Python and openpyxl.

How do I create a new spreadsheet from scratch or from a data source?

Create a new spreadsheet from scratch or from a data source by specifying the desired structure and data inputs. The Skill generates the spreadsheet and applies any requested formatting or formulas, then exports it to XLSX, CSV, or TSV.