mermaid-diagrams

Generate class, sequence, flowchart, ERD, C4, state, git, and Gantt diagrams using Mermaid text syntax.

11|4|Updated Feb 9, 2026
One-click install
npx skills add https://github.com/wpank/ai --skill mermaid-diagrams-wpank
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: mermaid-diagrams
Source: https://github.com/wpank/ai/tree/main/skills/writing/mermaid-diagrams
Command: npx skills add https://github.com/wpank/ai --skill mermaid-diagrams-wpank

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps you create clear, version-controllable diagrams directly from text, eliminating the need for complex graphical tools and making your documentation dynamic.

Core Features & Use Cases

  • Diagram Generation: Create various diagrams (Class, Sequence, Flowchart, ERD, C4, State, Git, Gantt) using simple text syntax.
  • Version Control Friendly: Diagrams are text-based, allowing them to be stored and versioned alongside your code.
  • Use Case: Documenting a complex API flow with a sequence diagram, designing a database schema with an ERD, or illustrating a software architecture with a C4 diagram.

Quick Start

Generate a Mermaid class diagram for a simple User and Order model.

Frequently Asked Questions about mermaid-diagrams

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

FAQPage Schema
How do I generate software architecture diagrams from text for version control?▼

You generate software architecture diagrams from text by using Mermaid syntax to create class, sequence, flowchart, ERD, C4, state, git, and Gantt charts. This text-based approach allows diagrams to be stored and versioned directly alongside your code.

Can I document a database schema using an ERD without graphical tools?▼

Yes, you can document a database schema using an ERD without graphical tools by writing text-based Mermaid syntax. This generates version-controllable entity-relationship diagrams dynamically, eliminating the need for complex visual editors.

What is the best way to visualize a complex API flow in documentation?▼

The best way to visualize a complex API flow is by creating a sequence diagram using Mermaid's text-based syntax. This approach makes your documentation dynamic and allows the flow to be easily updated and versioned with your code.

Do I need to understand Mermaid syntax to create flowcharts and Gantt charts?▼

Yes, effective creation of flowcharts, Gantt charts, and other diagram types requires an understanding of Mermaid syntax. The Skill generates these visualizations directly from the text-based definitions you provide.

Does this approach support C4 and state diagrams for software modeling?▼

Yes, this approach supports C4 and state diagrams for software modeling. You can generate these visualizations, alongside class, sequence, ERD, git, and Gantt charts, using simple text syntax for dynamic documentation.