xlsx

Automates spreadsheet preparation and transformation from xlsx, xlsm, csv, and tsv formats.

Updated Oct 22, 2025
One-click install
npx skills add https://github.com/lemu/sea-prototype-template --skill xlsx-lemu
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: xlsx
Source: https://github.com/lemu/sea-prototype-template/tree/main/.agents/skills/xlsx
Command: npx skills add https://github.com/lemu/sea-prototype-template --skill xlsx-lemu

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill automates the end-to-end handling of spreadsheets, reducing manual effort across common tasks such as opening, reading, editing, fixing, creating, and converting data in formats like xlsx, xlsm, csv, and tsv, and delivering a clean, ready-to-use spreadsheet.

Core Features & Use Cases

  • Open, read, edit, and fix spreadsheets; create new sheets from scratch or from external data sources; convert between tabular formats; clean and restructure messy data into proper spreadsheets.
  • Batch processing: normalize headers and formatting across a set of files to prepare data for analysis.

Quick Start

Convert a messy CSV into a tidy .xlsx ready for analysis.

Frequently Asked Questions about xlsx

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

FAQPage Schema
How do I automate converting a messy CSV into a clean xlsx file?

You can automate converting a messy CSV into a clean xlsx file by applying built-in operations for data normalization and format conversion, which transforms irregular tabular data into a structured, ready-to-use spreadsheet.

Can I batch process multiple spreadsheet files to normalize headers and formatting?

Yes, you can batch process multiple spreadsheet files to normalize headers and apply consistent formatting across a set of xlsx, xlsm, csv, or tsv files, preparing the data uniformly for analysis.

Does this spreadsheet automation approach preserve formulas during data transformation?

Yes, this spreadsheet automation approach enforces deterministic, formula-based transformations through built-in operations, ensuring that data integrity and formula computations are preserved during transformation.

What is the best way to clean and restructure messy tabular data for analysis?

The best way to clean and restructure messy tabular data is to apply automated data normalization and formatting operations, which read various tabular formats and output a single, tidy spreadsheet file ready for analysis.

What spreadsheet formats can I use as input for automated data cleaning?

You can use xlsx, xlsm, csv, and tsv files as input formats for automated data cleaning, allowing you to read, edit, and convert various tabular data sources into a standardized spreadsheet output.

When do I need automated spreadsheet preparation instead of manual editing?

You need automated spreadsheet preparation instead of manual editing when handling end-to-end workflows like opening, fixing, creating, or converting large sets of tabular files, significantly reducing manual effort and ensuring deterministic data transformation.