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mermaid-diagrams

Convert textual Mermaid definitions into class, sequence, flowchart, ERD, and C4 diagrams.

1|Updated Mar 27, 2026
Search Tags:#architecture#mermaid#diagramming#diagrams#mermaid-diagrams#code-documentation#visual-models
One-click install
npx skills add https://github.com/leonanpereirapinto/ai-utils --skill mermaid-diagrams-leonanpereirapinto
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: mermaid-diagrams
Source: https://github.com/leonanpereirapinto/ai-utils/tree/main/skills/essentials/mermaid-diagrams
Command: npx skills add https://github.com/leonanpereirapinto/ai-utils --skill mermaid-diagrams-leonanpereirapinto

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Mermaid diagrams provide a simple, text-based syntax to visualize architecture, flows, ERDs, and more, keeping diagrams version-controlled and easy to update.

Core Features & Use Cases

  • Diagram Type Selection: Class, Sequence, Flowcharts, ERD, C4, State, Git Graphs, Gantt, Pie/Bar
  • Theming and Layout: themes, custom colors, layout options like dagre and elk
  • Integration & Export: render in GitHub Markdown, Notion/Obsidian/Confluence; export PNG/SVG/PDF
  • Quick Real-World Use: document a system architecture or API flow with living diagrams.

Quick Start

Create a simple Mermaid diagram by starting with a diagram type (for example, classDiagram) and writing the definitions in Mermaid syntax.

Frequently Asked Questions about mermaid-diagrams

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

FAQPage Schema
How do I convert textual definitions into Mermaid diagrams for code documentation?▼

You can generate Mermaid diagrams by starting with a diagram type such as classDiagram or sequenceDiagram and writing definitions in Mermaid syntax. This skill processes textual definitions to document architecture, workflows, ERDs, and C4 models.

What types of architecture and workflow diagrams can I create using Mermaid syntax?▼

Mermaid syntax supports class, sequence, flowchart, ERD, C4, state, Git graph, Gantt, and pie/bar diagrams. You can use these to document system architecture, API flows, and data models within your codebases.

Can I render Mermaid diagrams in GitHub Markdown and export them to SVG or PNG?▼

Yes, you can configure themes, custom colors, and layout options like dagre and elk using YAML frontmatter in SKILL.md. This allows you to customize the visual output of your diagrams before exporting them as PNG, SVG, or PDF.

How do I configure themes and layout options like dagre for Mermaid diagrams?▼

You configure Mermaid diagram themes, custom colors, and layout options like dagre and elk by using YAML frontmatter in your SKILL.md file. This setup allows extended configuration for rendering visual models across codebases.

Does this Mermaid diagram tool require any external dependencies to generate visual models?▼

No external dependencies are required to generate Mermaid visual models. The skill operates independently and can optionally reference directories for extended content, scripts, or assets to further enhance your code documentation.

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