xlsx

Automate spreadsheet tasks across .xlsx, .csv, and .tsv files.

Updated Mar 23, 2026
One-click install
npx skills add https://github.com/mia-cx/.agents --skill xlsx-mia-cx
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: xlsx
Source: https://github.com/mia-cx/.agents/tree/main/skills/xlsx
Command: npx skills add https://github.com/mia-cx/.agents --skill xlsx-mia-cx

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill automates repetitive spreadsheet tasks to reduce manual effort and errors when working with .xlsx, .xlsm, .csv, and .tsv files, helping you save time on data preparation and reporting.

Core Features & Use Cases

  • Open, read, edit, or fix existing spreadsheets across multiple formats (xlsx, xlsm, csv, tsv) and prepare them for analysis.
  • Create new spreadsheets from data sources, apply consistent formatting, formulas, and basic data transformations, and convert between tabular formats.
  • Use Case: when cleaning a messy CSV before loading into a dashboard, this Skill can transform and export a clean .xlsx ready for analysis.

Quick Start

Open the input spreadsheet, clean the data, and save the result as a new .xlsx file.

Frequently Asked Questions about xlsx

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

FAQPage Schema
How do I automate spreadsheet formatting and data cleaning for multiple file types?

Automating spreadsheet formatting and data cleaning handles repetitive tasks across .xlsx, .xlsm, .csv, and .tsv files. This process applies consistent formulas, fixes messy data, and exports standards-compliant spreadsheets to reduce manual errors and save time.

What is the best way to clean a messy CSV before loading it into a dashboard?

The best way to clean a messy CSV is to use an automated data-processing workflow that transforms raw inputs, applies consistent formatting rules, and exports a clean .xlsx file ready for dashboard analysis.

Can I convert between .xlsx, .csv, and .tsv formats without manual data entry?

Yes, you can convert between .xlsx, .csv, and .tsv formats without manual data entry. Automated spreadsheet workflows read existing tabular files, apply basic data transformations, and generate standards-compliant outputs in your target format.

Does this spreadsheet automation approach support applying formulas to existing data sources?

Yes, spreadsheet automation supports applying formulas to existing data sources. It opens .xlsx, .xlsm, .csv, or .tsv inputs, applies the required calculations and formatting, and saves the result as a new spreadsheet deliverable.

How do I fix existing spreadsheets with inconsistent formatting across multiple tabs?

To fix existing spreadsheets with inconsistent formatting, you can automate the process of reading the raw file, applying uniform data transformations and formatting rules, and exporting a corrected, standards-compliant .xlsx file.

Are there limitations when using automated data processing for very large spreadsheet files?

Automated data processing for spreadsheet files is designed for deterministic processing of standard tabular formats. If you hit limitations with very large files, consider splitting the input data or using specialized big data tools instead of standard spreadsheet automation.