xlsx

Open, read, edit, and format spreadsheet files across .xlsx, .xlsm, .csv, and .tsv.

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

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps users handle spreadsheet files when the work is primarily about opening, reading, editing, cleaning, formatting, or creating spreadsheets, across .xlsx, .xlsm, .csv, and .tsv formats, ensuring the final deliverable is a valid spreadsheet file.

Core Features & Use Cases

  • Open, read, edit, format, and validate existing spreadsheets in multiple formats (.xlsx, .xlsm, .csv, .tsv).
  • Create new spreadsheets from scratch or derive them from other data sources, preserving structure and essential formulas where possible.
  • Convert between tabular formats (xlsx, csv, tsv) for data pipelines, reporting, and data-cleaning workflows.

Quick Start

Upload a sample spreadsheet and describe the edits you want (e.g., add a column, fix headers, apply formatting), and I will return a cleaned, formatted .xlsx.

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 in xlsx or csv files?

Spreadsheet cleaning and formatting automates opening, reading, and editing .xlsx, .xlsm, .csv, and .tsv files. It restructures columns, fixes headers, computes formulas, and validates data integrity to prevent #REF! or #VALUE! errors, delivering a polished, reliable workbook.

Can I convert between csv, tsv, and xlsx formats for data pipelines?

Yes, format conversion between .xlsx, .csv, and .tsv is fully supported for data pipelines and reporting. The process reads the source tabular file, preserves the underlying structure and essential formulas where possible, and outputs a valid spreadsheet in the target format.

Does spreadsheet formatting preserve existing formulas when restructuring columns?

Spreadsheet formatting preserves existing formulas where possible during column restructuring and data transformation tasks. The mechanism validates data integrity throughout the editing process to ensure the final deliverable is a valid spreadsheet file free of #REF! or #VALUE! errors.

What is the best way to automate editing financial or inventory spreadsheets?

Automating spreadsheet edits handles real-world workflows like inventory or financial sheets by applying data transformation, computing formulas, and enforcing proper formatting. You upload a sample file, describe the required edits, and receive a cleaned, formatted .xlsx deliverable.

How do I fix #VALUE! or #REF! errors when editing xlsx files?

Fixing #VALUE! or #REF! errors involves validating data integrity during spreadsheet editing and formatting operations. The process enforces a deliverable spreadsheet output by checking computations and preserving formula structures to avoid broken references in the final workbook.