xlsx

Automate spreadsheet data cleaning, formatting, and format conversion across Excel and CSV/TSV inputs.

Updated Feb 10, 2026
One-click install
npx skills add https://github.com/digisurfsome/Greptacular --skill xlsx-digisurfsome
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: xlsx
Source: https://github.com/digisurfsome/Greptacular/tree/main/.claude/skills/xlsx
Command: npx skills add https://github.com/digisurfsome/Greptacular --skill xlsx-digisurfsome

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

Automates repetitive spreadsheet work, enabling you to open, read, edit, and clean Excel-compatible files (xlsx, xlsm) as well as CSV/TSV formats without manual hands-on editing.

Core Features & Use Cases

  • Open, read, and inspect spreadsheets across common formats (xlsx, xlsm, csv, tsV) and apply deterministic edits.
  • Add columns, compute formulas, apply formatting, and restructure data to produce well-structured spreadsheets.
  • Convert between tabular formats (e.g., CSV/TSV to XLSX) and clean messy datasets (misplaced headers, irregular rows).
  • Create new spreadsheets from scratch or merge/transform data from multiple sources for reporting or analysis.
  • Real-world scenario: clean a messy CSV, augment with calculated fields, and export a polished XLSX ready for presentation.

Quick Start

Provide an input spreadsheet and specify the transformation you want; the tool will return the updated spreadsheet.

Frequently Asked Questions about xlsx

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

FAQPage Schema
How do I automate Excel data cleaning and formatting for messy spreadsheets?

Automate Excel data cleaning by applying deterministic edits to fix misplaced headers, irregular rows, and formatting across xlsx, xlsm, csv, and tsv files. The tool restructures messy datasets into well-organized spreadsheets without manual hands-on editing.

Can I convert CSV or TSV files to XLSX with formulas and formatting applied?

Yes, you can convert CSV or TSV files to XLSX format while simultaneously adding calculated columns, computing formulas, and applying formatting. This produces a polished spreadsheet ready for presentation or analysis from raw tabular inputs.

What's the best way to merge data from multiple sources into a single spreadsheet?

Merge data from multiple sources by creating new spreadsheets or transforming existing files into a unified report. The tool handles combining disparate tabular formats and restructuring them into a single, well-structured spreadsheet output.

Does this spreadsheet automation tool support both xlsx and xlsm file formats?

Yes, the spreadsheet automation tool supports both xlsx and xlsm file formats for opening, reading, and editing. It also handles csv and tsv inputs, enabling end-to-end data preparation across common tabular formats.

How do I add calculated fields and compute formulas in an existing Excel file?

Add calculated fields and compute formulas by specifying the desired transformation for your existing Excel file. The tool applies deterministic formulas to your data, augmenting spreadsheets with new columns and computed values automatically.

What are the limitations of automating spreadsheet workflows with openpyxl?

Automating spreadsheet workflows with openpyxl handles data preparation, formatting, and format conversion deterministically. It processes tabular data structures but does not execute dynamic Excel macros embedded within xlsm files.