CSV Summarizer

Analyze CSV files with summary statistics, data profiling, and quick visualizations — understand your data in seconds without writing a single line of code.

Features

• Auto-Profiling — Detects column types, null rates, unique counts, and value distributions
• Summary Statistics — Calculates mean, median, std dev, percentiles, and correlations for numeric columns
• Data Quality Report — Identifies missing values, outliers, duplicates, and inconsistent formats
• Quick Visualizations — Generates histograms, box plots, and correlation matrices as inline charts
• SQL-Like Queries — Filter, group, and aggregate data using natural language descriptions

Quick Start

claude skill install csv-summarizer

Usage

# Analyze a CSV file and get a full summary
/csv-summarizer analyze sales-data.csv

# Query specific insights from the data
/csv-summarizer query sales-data.csv "average revenue by region for Q4"

How It Works

Loads your CSV into a pandas DataFrame and runs comprehensive profiling: type inference, null analysis, distribution statistics, and correlation detection. Generates a structured summary report with inline visualizations. Supports natural language queries that are translated into pandas operations for flexible data exploration.

Compatibility

Works with Claude Code, Codex, Gemini CLI, Cursor, Windsurf, and Aider.