Does this skill require Python to be installed?

Yes, this skill utilizes industry-standard Python libraries like Pandas and Openpyxl to perform high-performance spreadsheet operations and data manipulation.

Can I use this for very large Excel files?

Absolutely. The skill includes performance optimization patterns such as using chunksize for reading large files and column filtering to minimize memory usage.

Does it support legacy .xls files?

Yes, by utilizing the xlrd engine alongside pandas, you can read older Excel formats as well as modern .xlsx workbooks.

Can I format cells and apply conditional logic?

Yes, the skill includes advanced formatting snippets using openpyxl to apply colors, bold headers, and conditional formatting based on cell values.

Does it support creating visual charts?

Yes, it provides implementation patterns for generating bar charts, pie charts, and other visualizations using Matplotlib directly from your Excel data sources.

Excel Analysis & Data Automation

Name: Excel Analysis & Data Automation
Author: Justdvp

byJustdvp

•

Data Science & ML

Streamlines the analysis, transformation, and visualization of Excel spreadsheets using advanced Python libraries within Claude Code.

The Excel Analysis skill empowers Claude to handle complex spreadsheet tasks programmatically, moving beyond manual data entry into automated engineering. It provides a comprehensive framework for reading multi-sheet workbooks, performing data cleaning, generating pivot tables, and creating professional visualizations with Matplotlib. Whether you are merging disparate sales reports, applying conditional formatting to financial statements, or managing large-scale tabular data, this skill offers production-ready Python patterns to automate tedious spreadsheet workflows directly through your terminal-based AI assistant.

Key Features

01Generate programmatic pivot tables and complex data aggregations

02Apply advanced cell formatting and conditional styling with openpyxl

03Read and process multi-sheet Excel workbooks with Pandas

04Perform robust data cleaning, merging, and type conversion for messy datasets

055 GitHub stars

06Create automated charts and visualizations including bar and pie charts

Use Cases

01Building data visualization dashboards from large tabular datasets programmatically

02Cleaning and merging customer data across multiple regional Excel files

03Automating monthly financial report generation from raw spreadsheet exports

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add justdvp/claude-code-templates enterprise-communication

For use in Claude.ai and ChatGPT

Download Skill