mermaid-generator

Generate valid Mermaid diagrams across sequence, flowchart, class, state, and ER types.

11|1|Updated Feb 10, 2026
One-click install
npx skills add https://github.com/Takazudo/claude-resources --skill mermaid-generator-takazudo
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: mermaid-generator
Source: https://github.com/Takazudo/claude-resources/tree/main/skills/mermaid-generator
Command: npx skills add https://github.com/Takazudo/claude-resources --skill mermaid-generator-takazudo

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Mermaid diagrams often suffer from subtle syntax errors and readability issues. This skill guides you to produce valid, clear diagrams by enforcing core Mermaid rules and providing safe defaults.

Core Features & Use Cases

  • Enforces safe patterns across sequence, flowchart, class, state, and ER diagrams.
  • Validates against the syntax-guide.md to prevent HTML tags, style directives, and long labels.
  • Use cases include architecture diagrams, API workflow visualizations, and data-model representations.

Quick Start

Provide a diagram type and a few labels to generate a valid Mermaid diagram.

Frequently Asked Questions about mermaid-generator

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

FAQPage Schema
How do I generate valid Mermaid diagrams without syntax errors?

Valid Mermaid diagram generation requires enforcing strict syntax rules and blocking invalid HTML tags or style directives. This approach ensures your sequence, flowchart, class, state, and ER diagrams render cleanly for documentation.

What is the best way to create Mermaid architecture diagrams for documentation?

Creating Mermaid architecture diagrams for documentation works best when using safe patterns that validate against syntax guides. This prevents subtle readability issues and ensures labels remain concise across complex data models and API workflows.

Why does my Mermaid diagram fail to render after adding HTML tags?

Your Mermaid diagram fails to render because strict syntax validation blocks HTML tags and style directives to prevent rendering errors. Removing these elements and keeping labels concise ensures your flowchart or sequence diagram displays correctly.

Can I use Mermaid for both API workflow visualizations and data model representations?

Yes, you can use Mermaid for both API workflow visualizations and data model representations. The syntax supports multiple diagram types including sequence, flowchart, class, state, and ER diagrams, making it versatile for various documentation needs.

How do I start generating a Mermaid flowchart quickly?

To start generating a Mermaid flowchart quickly, simply provide the diagram type and a few labels. The generation process applies safe defaults and validates against syntax rules to instantly produce a clean, readable diagram.