# Matplotlib

> Matplotlib Python plotting library reference. Covers line, scatter, bar, histogram, heatmap, pie, box, and violin plots. Includes subplots with GridSpec, styling, axis formatting, annotations, date/currency formatters, and publication-quality export.

- Skill: `bytesagain/matplotlib` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add bytesagain/matplotlib`
- Raw SKILL.md: https://api.skillmd.com/api/skills/bytesagain/matplotlib/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: bytesagain (https://skillmd.com/u/bytesagain)
- Updated: 2026-09-21
- Page: https://skillmd.com/skills/bytesagain/matplotlib

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# Matplotlib Reference

The foundation of Python visualization.

## Commands

| Command | Description |
|---------|-------------|
| `intro` | Overview, figure anatomy |
| `plots` | Line, scatter, bar, heatmap |
| `layout` | Subplots, styling, save |