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xlsx

Clean, format, and convert spreadsheet files between .xlsx, .csv, and .tsv formats.

1|Updated Jan 1, 2026

Search Tags:#validation #spreadsheet #excel #xlsx #data-cleaning #office-automation

Ready to run

npx skills add https://github.com/RussianRoulette84/agentic_project --skill xlsx-russianroulette84

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: xlsx
Source: https://github.com/RussianRoulette84/agentic_project/tree/main/.claude/skills/xlsx
Command: npx skills add https://github.com/RussianRoulette84/agentic_project --skill xlsx-russianroulette84

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

This skill reduces the manual workload of preparing spreadsheets by automating common tasks such as cleaning headers, normalizing formats, fixing malformed rows, formatting, and converting between tabular formats to produce a ready-to-use workbook.

Core Features & Use Cases

Open and inspect spreadsheets, apply data-cleaning rules, standardize headers, and fix malformed rows.
Create new spreadsheets from scratch or from data sources, and convert between .xlsx, .csv, and other tabular formats.
Use Case: you have a messy CSV that must be cleaned, reformatted, and saved as an .xlsx for distribution.

Quick Start

Provide the spreadsheet file and the operation you want (e.g., clean and format data.xlsx) and the skill will return a ready-to-use 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 a messy spreadsheet?▼

Automating spreadsheet cleaning involves standardizing headers, fixing malformed rows, and normalizing formats. This skill processes your file and applies data-cleaning rules to return a polished, ready-to-use workbook without manual formatting work.

Can I convert a CSV file to XLSX format automatically?▼

Yes, you can convert CSV files to XLSX format automatically. This skill handles format conversion between .xlsx, .csv, and .tsv files, transforming raw tabular data into a formatted Excel workbook for distribution.

Does this spreadsheet automation tool work with XLSM files?▼

This spreadsheet automation tool supports .xlsx, .xlsm, .csv, and .tsv files. It uses openpyxl for Excel operations and defusedxml with lxml for XML integrity checks to safely open and edit these formats.

What is the best way to fix malformed rows in an Excel file?▼

Fixing malformed rows in an Excel file is best handled by applying automated data-cleaning rules. This skill inspects your spreadsheet, validates data, and corrects malformed rows to produce a clean, standardized workbook.

How does data validation work when processing Excel files?▼

Data validation when processing Excel files works through robust error handling using openpyxl for operations and defusedxml with lxml for safe XML parsing. This ensures spreadsheet integrity checks run with safe defaults during cleaning and conversion.

Can I create a new spreadsheet from scratch using data sources?▼

Yes, you can create new spreadsheets from scratch or from existing data sources. This skill generates a ready-to-use workbook by structuring your input data and applying formatting rules to produce a polished output file.

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