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XWIlluDelu
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xlsx

Create, clean, and update .xlsx, .xlsm, CSV, and TSV spreadsheet files.

Updated May 26, 2026
Search Tags:#xlsx#data cleaning#formula recalculation#excel modeling#spreadsheet validation#csv tsv conversion
One-click install
npx skills add https://github.com/XWIlluDelu/agent-share --skill xlsx-xwilludelu
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: xlsx
Source: https://github.com/XWIlluDelu/agent-share/tree/main/lib/xlsx
Command: npx skills add https://github.com/XWIlluDelu/agent-share --skill xlsx-xwilludelu

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

This Skill helps you reliably open, clean, update, and create spreadsheet files so the result remains valid, recalculates correctly, and contains no Excel formula errors.

Core Features & Use Cases

  • Spreadsheet creation & editing: Build new Excel workbooks or modify existing ones while preserving templates, formatting, and conventions.
  • Tabular data cleaning: Restructure messy CSV/TSV/XLSX inputs (bad rows, misplaced headers, junk data) into clean spreadsheets.
  • Formula-safe modeling & validation: Ensure formulas are used instead of hardcoded computed values, then recalculate via LibreOffice and verify zero formula errors.

Quick Start

Use the xlsx skill to repair and finalize the spreadsheet at 'reports/forecast.xlsx' so all formulas recalculate with zero errors.

Frequently Asked Questions about xlsx

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

FAQPage Schema
How do I clean messy CSV and TSV files and convert them into valid Excel spreadsheets?▼

To clean messy CSV and TSV files, you can restructure bad rows, misplaced headers, and junk data into clean .xlsx spreadsheets. This process ensures your tabular data is properly formatted and validated for reliable Excel workflows.

How do I ensure Excel formulas recalculate correctly without hardcoded values?▼

To ensure Excel formulas recalculate correctly, use a formula-safe modeling approach that mandates formula usage over hardcoded calculations. This requires LibreOffice-based recalculation and validates spreadsheets to guarantee zero Excel error tokens like #REF! and #DIV/0!.

Can I edit existing .xlsx and .xlsm workbooks while preserving their original formatting and templates?▼

Yes, you can modify existing .xlsx and .xlsm workbooks while preserving their original templates, formatting, and conventions. This ensures your spreadsheet updates remain structurally consistent and visually intact across editing sessions.

What is the best way to validate spreadsheet outputs and eliminate Excel formula errors?▼

The best way to validate spreadsheet outputs is to enforce formula usage instead of hardcoded computed values, recalculate via LibreOffice, and verify zero formula errors. This guarantees reliable Excel deliverables with no error tokens like #REF!.

Do I need LibreOffice to recalculate spreadsheet formulas and validate outputs?▼

Yes, LibreOffice is required for formula recalculation and validation. It mandates formula recalculation to ensure correctness and validates that the spreadsheet contains zero Excel error tokens, guaranteeing reliable Excel outputs.

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