mermaid-render

name	mermaid-render
description	Render Mermaid diagrams to SVG (for docs/web) or Unicode/ASCII (for terminals) using beautiful-mermaid. Use when the user provides Mermaid or asks to "render/preview/export" Mermaid.

Inputs

• Mermaid source text (required)
• format: svg | unicode | ascii (default: svg)
• theme: optional theme name (e.g., github-dark, tokyo-night)
• transparent: svg only (optional)

Output

Return ONLY the rendered SVG or text diagram (no extra commentary) unless there is an error.

How to run

Read Mermaid from stdin.

SVG: bun run render --format=svg --theme=github-dark --in=-

Unicode: bun run render --format=unicode --in=-