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code-to-diagram

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Generate architecture diagrams, ER diagrams, sequence diagrams, flowcharts, and class diagrams from codebases using Mermaid.js. Use when users ask to visualize code structure, draw architecture diagrams, create ER diagrams from database models, generate sequence diagrams from API flows, or produce any diagram from source code. Triggers on: 'draw architecture', 'generate diagram', 'visualize code', 'ER diagram', 'sequence diagram', 'class diagram', 'flowchart from code', 'module dependency graph'.

seed_skills/code-to-diagram/SKILL.md

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Mar 4, 2026
License
Apache-2.0

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# Code to Diagram

Generate production-quality diagrams from source code via Mermaid.js, rendered to SVG/PNG with `mmdc`.

## Environment

**Executor required:** This skill needs the `diagram` executor (Chromium + Node.js + mmdc pre-installed).
If `mmdc` is not available, install first:
```bash
npm install -g @mermaid-js/mermaid-cli
```

Puppeteer config for headless environments — create at `/tmp/puppeteer-config.json` if missing:
```json
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