xlsx

Clean and convert .xlsx, .xlsm, .csv, and .tsv spreadsheets into validated outputs.

Updated Mar 4, 2026

Search Tags:#automation #formatting #formulas #spreadsheet #conversion #data-cleaning

Ready to run

npx skills add https://github.com/UselessXu/mino --skill xlsx-uselessxu

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: xlsx
Source: https://github.com/UselessXu/mino/tree/main/.claude/skills/xlsx
Command: npx skills add https://github.com/UselessXu/mino --skill xlsx-uselessxu

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

This Skill automates common spreadsheet workflows by enabling open, read, edit, format, clean, and convert operations on .xlsx, .xlsm, .csv, and .tsv files, producing polished spreadsheet outputs without manual toil.

Core Features & Use Cases

Open, read, edit, and fix existing spreadsheet files and formats (xlsx/xlsm/csv/tsv).
Apply formulas, format data, generate charts, and convert between tabular formats.
Use cases include cleaning messy data, restructuring tables, and producing ready-to-share spreadsheets for reporting.

Quick Start

Provide an input spreadsheet and specify the desired edits, and the agent will apply formulas, formatting, and data cleaning to produce a finalized spreadsheet.

Frequently Asked Questions about xlsx

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

FAQPage Schema

How do I automate spreadsheet data cleaning for messy CSV files?▼

Automate spreadsheet data cleaning by processing messy CSV inputs to apply formulas, restructure tables, and output a validated, polished spreadsheet file ready for reporting.

Can I convert TSV or CSV files to XLSX while preserving formatting?▼

Yes, you can convert TSV or CSV files to XLSX by opening the tabular input, applying the desired formatting and formulas, and producing a finalized spreadsheet output.

Does this openpyxl-based approach support editing XLSM files with charts?▼

Yes, this openpyxl-based approach supports opening, reading, and editing XLSM files, allowing you to insert formulas, generate charts, and apply formatting to existing spreadsheets.

What is the best way to fix corrupted spreadsheet files and restructure tables?▼

The best way to fix corrupted spreadsheet files is to open the broken XLSX or XLSM input, validate the tabular data, restructure the tables, and export a clean, validated spreadsheet.

How to insert formulas and generate charts in an existing XLSX spreadsheet?▼

Insert formulas and generate charts in an existing XLSX spreadsheet by opening the file, applying the desired calculations and charting configurations, and saving the updated spreadsheet output.

What are the limitations of using Python for spreadsheet formatting and conversion?▼

Limitations include its strict enforcement of producing only spreadsheet file outputs, meaning you cannot use it to export non-tabular formats or bypass its deterministic validation process.