mermaid

Render Mermaid diagrams into SVG or ASCII art formats.

5|Updated Mar 8, 2026
One-click install
npx skills add https://github.com/AndyChion/ClikOn-Agent --skill mermaid-andychion
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: mermaid
Source: https://github.com/AndyChion/ClikOn-Agent/tree/main/skills/mermaid
Command: npx skills add https://github.com/AndyChion/ClikOn-Agent --skill mermaid-andychion

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill simplifies the creation of complex diagrams like flowcharts, sequence diagrams, and state machines by allowing users to define them using simple text-based syntax.

Core Features & Use Cases

  • Diagram Generation: Renders various diagram types (Flowchart, Sequence, State, Class, ER) from Mermaid syntax.
  • Multiple Output Formats: Supports both graphical SVG output and terminal-friendly ASCII art.
  • Use Case: Quickly visualize a software architecture, API interaction flow, or database schema without needing a dedicated diagramming tool.

Quick Start

Render the Mermaid diagram defined in 'diagram.mmd' to an SVG file named 'output.svg'.

Frequently Asked Questions about mermaid

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

FAQPage Schema
How do I generate flowcharts and sequence diagrams from text?

You can generate flowcharts and sequence diagrams from text by defining them using Mermaid syntax and rendering them into SVG or ASCII art formats. This approach simplifies visualizing software architecture and API flows without dedicated diagramming tools.

Can I render Mermaid diagrams into SVG and ASCII art output?

Yes, Mermaid diagrams can be rendered into both graphical SVG and terminal-friendly ASCII art output. SVG rendering also supports optional theming to customize the visual appearance of the generated diagrams.

Do I need Node.js to render Mermaid flowcharts into SVG files?

Yes, you need a Node.js environment with npm for dependency management to render Mermaid flowcharts into SVG files. The rendering process utilizes the beautiful-mermaid library to process the text descriptions.

What diagram types are supported when creating diagrams from text syntax?

Supported diagram types for text-based creation include flowcharts, sequence diagrams, state diagrams, class diagrams, and ER diagrams. These are processed from Mermaid syntax to visualize database schemas and state machines.

What is the best way to visualize an ER diagram without a dedicated drawing tool?

The best way to visualize an ER diagram without a dedicated tool is using text-based Mermaid syntax to define the schema. This method renders the database structure directly into SVG or ASCII art formats.

Are there limitations when using ASCII art for state diagram output?

ASCII art output for state diagrams is terminal-friendly but lacks the visual theming options available with SVG output. Use SVG for complex graphical representations and ASCII art for lightweight terminal viewing.