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pretty-mermaid

Render Mermaid diagrams into SVG or ASCII formats.

1|Updated Feb 27, 2026
Search Tags:#documentation#mermaid#visualization#svg#diagrams#ascii
One-click install
npx skills add https://github.com/gatieme/agent-toolkit --skill pretty-mermaid-gatieme
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: pretty-mermaid
Source: https://github.com/gatieme/agent-toolkit/tree/main/skills/pretty-mermaid
Command: npx skills add https://github.com/gatieme/agent-toolkit --skill pretty-mermaid-gatieme

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires beautiful-mermaid, and includes scripts (resource) and references (resource) and assets (resource) components.

What problem does it solve?

This Skill automates the creation of visual diagrams from text-based Mermaid code, making complex information easily understandable and shareable in various formats.

Core Features & Use Cases

  • Diagram Rendering: Converts Mermaid syntax into visual diagrams.
  • Multi-Format Output: Supports both SVG (for web/docs) and ASCII (for terminals).
  • Theming: Offers 15+ themes for customization.
  • Use Case: You need to create a flowchart for a technical document. Provide the Mermaid code, and the Skill will generate a professional-looking SVG diagram.

Quick Start

Render the mermaid diagram defined in 'diagram.mmd' to an SVG file named 'output.svg' using the 'tokyo-night' theme.

Frequently Asked Questions about pretty-mermaid

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I convert Mermaid diagrams to SVG for documentation?▼

To convert Mermaid diagrams to SVG, provide the Mermaid code and the Skill renders it into an SVG file using the beautiful-mermaid library. It supports 15+ themes like 'tokyo-night' to generate professional visual documentation.

Can I render Mermaid flowcharts as ASCII art for terminal output?▼

Yes, you can render Mermaid flowcharts as ASCII art for terminal output. The Skill processes text-based Mermaid syntax and generates terminal-friendly ASCII representations of complex structures like flowcharts and sequence diagrams.

What diagram types are supported when rendering Mermaid syntax?▼

Rendering Mermaid syntax supports flowchart, sequence, state, class, and ER diagram types. It processes these text-based structures into visual SVG or ASCII formats using the beautiful-mermaid library.

Does batch processing work for rendering multiple Mermaid diagrams?▼

Yes, batch processing works for rendering multiple Mermaid diagrams. The Skill supports batch processing capabilities to automate the creation of visual SVG or ASCII diagrams from multiple text-based Mermaid files.

What's the best way to customize Mermaid diagram themes?▼

The best way to customize Mermaid diagram themes is by applying one of the 15+ built-in themes during rendering. You can specify themes like 'tokyo-night' when converting Mermaid code to SVG files.

Do I need the beautiful-mermaid library to render Mermaid diagrams?▼

Yes, the beautiful-mermaid library is required as a dependency to render Mermaid diagrams. The Skill uses it internally to convert Mermaid syntax into SVG or ASCII formats and apply visual themes.

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