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mermaid

Convert Mermaid diagrams in Markdown files to SVG or ASCII art.

Updated Apr 3, 2026
Search Tags:#mermaid#flowchart#sequence diagram#diagram#state diagram
One-click install
npx skills add https://github.com/vuhuudo/GeminiCLI-skill --skill mermaid-vuhuudo
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: mermaid
Source: https://github.com/vuhuudo/GeminiCLI-skill/tree/main/mermaid
Command: npx skills add https://github.com/vuhuudo/GeminiCLI-skill --skill mermaid-vuhuudo

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

This Skill simplifies the creation of Mermaid diagrams by rendering them as SVG or ASCII art, streamlining the process for users who need to visualize flowcharts, sequence diagrams, state diagrams, class diagrams, or ER diagrams.

Core Features & Use Cases

  • Mermaid Diagram Rendering: Convert Mermaid syntax diagrams into both SVG and ASCII/Unicode art formats.
  • Multiple Diagram Types: Supports flowcharts, sequence diagrams, state diagrams, class diagrams, and ER diagrams.
  • Output Options: Generates both graphical SVG and terminal-friendly ASCII/Unicode output.
  • Use Case: Visualize complex data flows, software interactions, or system state changes in an easy-to-understand manner.

Quick Start

Generate an SVG diagram from a Mermaid diagram file 'diagram.mmd'.

Frequently Asked Questions about mermaid

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

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

You can convert Mermaid diagrams to SVG by processing Markdown files containing Mermaid syntax. This Skill renders flowcharts and sequence diagrams into graphical SVG output, streamlining technical documentation and code visualization.

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

Yes, Mermaid flowcharts can be rendered as ASCII art. This Skill transforms Mermaid syntax into ASCII/Unicode art representations, providing terminal-friendly visual output suited for presentations and documentation.

What diagram types are supported when converting Mermaid syntax to SVG?▼

Supported diagram types include flowcharts, sequence diagrams, state diagrams, class diagrams, and ER diagrams. This Skill handles Mermaid's wide array of diagram types and outputs them as SVG or ASCII art.

Do I need the beautiful-mermaid library to process Markdown files with Mermaid diagrams?▼

Yes, the beautiful-mermaid library is required to process Mermaid diagram syntax. This Skill depends on it to transform Mermaid diagrams defined in Markdown files into SVG or ASCII art representations.

What is the best way to visualize software interactions and state changes from Markdown?▼

Rendering Mermaid diagrams from Markdown files is an efficient way to visualize software interactions and state changes. This Skill converts Mermaid syntax into SVG or ASCII art, making complex data flows easy to understand.

Does this Mermaid diagram renderer work with sequence and ER diagrams defined in Markdown?▼

Yes, it works with sequence and ER diagrams defined in Markdown. This Skill transforms multiple Mermaid diagram types, including sequence and ER diagrams, into both graphical SVG and ASCII/Unicode art formats.

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