Can I export these diagrams to image files?

Yes, the skill includes detailed guidance on using the Mermaid CLI (mmdc) to convert your text-based code into SVG, PNG, or PDF formats.

Is this skill compatible with standard Markdown editors?

Yes, Mermaid is the industry standard for many Markdown platforms like GitHub, GitLab, and Obsidian, making the generated diagrams highly portable across documentation tools.

How do I apply custom themes to my diagrams?

You can use YAML frontmatter within the mermaid code block to specify themes like 'dark', 'forest', 'neutral', or even a 'handDrawn' look for a sketch-like aesthetic.

What diagram types are supported by this skill?

It supports over 24 types, including flowcharts, sequence diagrams, Gantt charts, ER diagrams, class diagrams, state machines, and user journey maps.

Mermaid.js Diagram Creator

Name: Mermaid.js Diagram Creator
Author: GGPrompts

byGGPrompts

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Learning & Documentation

Generates professional text-based diagrams and visualizations using Mermaid.js v11 syntax for technical documentation and system architecture.

About

This skill empowers Claude to create, configure, and render over 24 different types of diagrams using the declarative Mermaid.js v11 syntax. Whether you need to visualize complex system architectures, map out database relationships, or track project timelines, it provides a standardized framework for converting text descriptions into high-quality visual assets. It supports advanced features like theming, CLI-based image exporting, and seamless integration into Markdown files or web applications, making it essential for developers and architects who prioritize documentation-as-code.

Key Features

Enables CLI rendering to SVG, PNG, and PDF formats for automated workflows
Supports 24+ diagram types including flowcharts, sequence diagrams, and ERDs
1 GitHub stars
Offers comprehensive theming and customization options including hand-drawn looks
Includes accessibility features and frontmatter configuration for precise control
Provides JavaScript API integration patterns for web application embedding

Use Cases

Creating project Gantt charts and user journey maps for presentations
Visualizing complex database schemas and entity-relationship models
Documenting software architecture and API flows within code repositories

About

Key Features

Enables CLI rendering to SVG, PNG, and PDF formats for automated workflows
Supports 24+ diagram types including flowcharts, sequence diagrams, and ERDs
1 GitHub stars
Offers comprehensive theming and customization options including hand-drawn looks
Includes accessibility features and frontmatter configuration for precise control
Provides JavaScript API integration patterns for web application embedding

Use Cases

Creating project Gantt charts and user journey maps for presentations
Visualizing complex database schemas and entity-relationship models
Documenting software architecture and API flows within code repositories