beautiful-mermaid

Render Mermaid diagrams to SVG or ASCII using the doc-mermaid-ascii npm package. Zero DOM dependencies, 15 built-in themes, works in Node.js/Bun without a browser.

Prerequisites

npm install beautiful-mermaid
# or
bun add beautiful-mermaid

Quick Render

Use the bundled render script for one-shot rendering:

# SVG output (default)
node ~/.claude/skills/beautiful-mermaid/scripts/render.mjs diagram.mmd -o diagram.svg