xlsx

Read, clean, transform, and convert spreadsheet data across .xlsx, .csv, and .tsv formats.

2|2|Updated Feb 22, 2026
One-click install
npx skills add https://github.com/mxzinke/atlas --skill xlsx-mxzinke
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: xlsx
Source: https://github.com/mxzinke/atlas/tree/main/app/defaults/skills/xlsx
Command: npx skills add https://github.com/mxzinke/atlas --skill xlsx-mxzinke

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps when a spreadsheet is the primary input or output, enabling you to open, read, edit, clean, format, create, and convert spreadsheets across .xlsx, .xlsm, .csv, or .tsv formats to deliver a polished spreadsheet deliverable.

Core Features & Use Cases

  • Open, read, and edit existing spreadsheets; clean messy data; apply formatting and formulas.
  • Create new spreadsheets from data sources and convert between tabular formats (xlsx, csv, tsv) for reporting and data workflows.
  • Trigger when a user references a spreadsheet by name or path and produce a final spreadsheet deliverable.

Quick Start

Provide me with the path to your input spreadsheet and the desired operation, and I will output a cleaned or updated .xlsx file.

Frequently Asked Questions about xlsx

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

FAQPage Schema
How do I clean and format messy spreadsheet data automatically?

To clean spreadsheet data automatically, provide the path to your input file and specify the desired cleaning or formatting operations. The system processes raw tabular data, applies formulas, validates outputs, and delivers a polished .xlsx workbook ready for reporting.

Can I convert CSV or TSV files into a formatted Excel workbook?

Yes, you can convert CSV or TSV files into formatted Excel workbooks. The system reads tabular data from these formats and exports a polished .xlsx file, applying necessary transformations and best practices for data pipelines and reporting workflows.

Does this approach support applying explicit formulas to existing Excel files?

Yes, applying explicit formulas to existing Excel files is supported. The system opens, reads, and edits your spreadsheets while enforcing best practices, ensuring formulas are calculated correctly and outputs are validated with clear data-source documentation.

What is the best way to automate data transformation for spreadsheet reporting?

The best way to automate data transformation for reporting is to trigger processing by referencing your spreadsheet by name or path. The system handles reading, cleaning, and formatting raw data, outputting a final spreadsheet deliverable that enforces workbook best practices.

When should I not use this method for spreadsheet automation?

You should avoid this method for spreadsheet automation if your task requires non-tabular data formats or outputs outside of .xlsx, .xlsm, .csv, and .tsv. It is specifically designed for tabular data processing, conversion, and workbook formatting.