coffeefuelbump/csv-data-summarizer-claude-skill

A Claude Skill that automatically analyzes uploaded CSV files — generating summary statistics, detecting missing data, and creating quick visualizations using Python and pandas.

191 stars34 forksUpdated Oct 16, 2025
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šŸ“Š CSV Data Summarizer - Claude Skill

A powerful Claude Skill that automatically analyzes CSV files and generates comprehensive insights with visualizations. Upload any CSV and get instant, intelligent analysis without being asked what you want!

Version Python License

šŸš€ Features

  • šŸ¤– Intelligent & Adaptive - Automatically detects data type (sales, customer, financial, survey, etc.) and applies relevant analysis
  • šŸ“ˆ Comprehensive Analysis - Generates statistics, correlations, distributions, and trends
  • šŸŽØ Auto Visualizations - Creates multiple charts based on what's in your data:
    • Time-series plots for date-based data
    • Correlation heatmaps for numeric relationships
    • Distribution histograms
    • Categorical breakdowns
  • ⚔ Proactive - No questions asked! Just upload CSV and get complete analysis immediately
  • šŸ” Data Quality Checks - Automatically detects and reports missing values
  • šŸ“Š Multi-Industry Support - Adapts to e-commerce, healthcare, finance, operations, surveys, and more

šŸ“„ Quick Download

Get Started in 2 Steps

1ļøāƒ£ Download the Skill
Download Skill

2ļøāƒ£ Try the Demo Data
Download Demo CSV


šŸ“¦ What's Included

csv-data-summarizer-claude-skill/
ā”œā”€ā”€ SKILL.md              # Claude Skill definition
ā”œā”€ā”€ analyze.py            # Comprehensive analysis engine
ā”œā”€ā”€ requirements.txt      # Python dependencies
ā”œā”€ā”€ examples/
│   └── showcase_financial_pl_data.csv  # Demo P&L financial dataset (15 months, 25 metrics)
└── resources/
    ā”œā”€ā”€ sample.csv        # Example dataset
    └── README.md         # Usage documentation

šŸŽÆ How It Works

  1. Upload any CSV file to Claude.ai
  2. Skill activates automatically when CSV is detected
  3. Analysis runs immediately - inspects data structure and adapts
  4. Results delivered - Complete analysis with multiple visualizations

No prompting needed. No options to choose. Just instant, comprehensive insights!

šŸ“„ Installation

For Claude.ai Users

  1. Download the latest release: csv-data-summarizer.zip
  2. Go to Claude.ai → Settings → Capabilities → Skills
  3. Upload the zip file
  4. Enable the skill
  5. Done! Upload any CSV and watch it work ✨

For Developers

git clone git@github.com:coffeefuelbump/csv-data-summarizer-claude-skill.git
cd csv-data-summarizer-claude-skill
pip install -r requirements.txt

šŸ“Š Sample Dataset Highlights

The included demo CSV contains 15 months of P&L data with:

  • 3 product lines (SaaS, Enterprise, Services)
  • 25 financial metrics including revenue, expenses, margins, CAC, LTV
  • Quarterly trends showing business growth
  • Perfect for showcasing time-series analysis, correlations, and financial insights

šŸŽØ Example Use Cases

  • šŸ“Š Sales Data → Revenue trends, product performance, regional analysis
  • šŸ‘„ Customer Data → Demographics, segmentation, geographic patterns
  • šŸ’° Financial Data → Transaction analysis, trend detection, correlations
  • āš™ļø Operational Data → Performance metrics, time-series analysis
  • šŸ“‹ Survey Data → Response distributions, cross-tabulations

šŸ› ļø Technical Details

Dependencies:

  • Python 3.8+
  • pandas 2.0+
  • matplotlib 3.7+
  • seaborn 0.12+

Visualizations Generated:

  • Time-series trend plots
  • Correlation heatmaps
  • Distribution histograms
  • Categorical bar charts

šŸ“ Example Output

===========================================

...
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CreatedOct 16, 2025