excel

Automate creation, reading, updating, and analysis of Microsoft Excel .xlsx files.

27|3|Updated Nov 6, 2025
One-click install
npx skills add https://github.com/Fergana-Labs/claude_agent_desktop --skill excel
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: excel
Source: https://github.com/Fergana-Labs/claude_agent_desktop/tree/main/.claude/skills/excel
Command: npx skills add https://github.com/Fergana-Labs/claude_agent_desktop --skill excel

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires exceljs.

What problem does it solve?

This Skill automates working with Microsoft Excel spreadsheets (.xlsx), enabling reading, writing, and analyzing tabular data for reports and insights.

Core Features & Use Cases

  • Read data from existing Excel files and extract tabular data
  • Create new workbooks with multiple worksheets
  • Write data to cells and ranges
  • Apply formulas and calculations (SUM, AVERAGE, etc.)
  • Format cells with colors, borders, fonts, and auto-sizing
  • Analyze data with column statistics (sum, average, min, max)
  • Update specific cells in existing spreadsheets

Quick Start

Use this Skill to read data from a file, create a new workbook, or update a cell value.

Frequently Asked Questions about excel

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

FAQPage Schema
How do I read and extract data from existing Excel files?

Read data from Excel files by opening .xlsx workbooks, accessing specific worksheets, and extracting tabular data into structured formats. This Skill uses exceljs to parse cells and ranges, returning data ready for analysis or export.

How do I automate Excel workbook creation with formulas and formatting?

Automate workbook creation by defining sheets, placing data in cells, applying formulas like SUM and AVERAGE, and formatting with colors, borders, and fonts. The Skill generates fully formatted .xlsx files from JSON configuration.

Can I update specific cells in an existing spreadsheet without rewriting the entire file?

Yes. Update individual cells or ranges in existing Excel files, apply new formulas, and refresh formatting while preserving other worksheet content. Changes are written directly to the .xlsx file.

What statistical analysis can I perform on spreadsheet data?

Calculate column statistics including sum, average, minimum, and maximum values. The Skill analyzes tabular data and returns computed results for reporting and insights.

Does this work with multi-sheet workbooks and complex formatting?

Yes. Create and manage multiple worksheets within a single workbook, apply cell-level formatting, generate charts, and structure data across sheets. Supported through exceljs for .xlsx workflows.