mermaid-diagrams

Generate class, sequence, flowchart, ERD, and C4 diagrams from Mermaid syntax.

1|Updated Feb 27, 2026
One-click install
npx skills add https://github.com/gatieme/agent-toolkit --skill mermaid-diagrams-gatieme
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: mermaid-diagrams
Source: https://github.com/gatieme/agent-toolkit/tree/main/skills/mermaid-diagrams
Command: npx skills add https://github.com/gatieme/agent-toolkit --skill mermaid-diagrams-gatieme

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

This Skill transforms complex technical concepts into clear, maintainable diagrams using Mermaid's text-based syntax, making visualization and documentation effortless.

Core Features & Use Cases

  • Diagram Generation: Create various diagram types (Class, Sequence, Flowchart, ERD, C4, etc.) from simple text descriptions.
  • Documentation Enhancement: Visualize architecture, data models, code structure, and processes directly within your documentation.
  • Use Case: You need to document the interaction flow between your frontend, backend API, and database for a new feature. Use this Skill to generate a sequence diagram illustrating the API calls and responses.

Quick Start

Use the mermaid-diagrams skill to create a flowchart showing the user registration process.

Frequently Asked Questions about mermaid-diagrams

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

FAQPage Schema
How do I generate sequence diagrams for API documentation?▼

Sequence diagrams for API documentation are generated using Mermaid syntax to illustrate application flows and API interactions. You provide a text description of the frontend, backend, and database interactions, and the Skill outputs the corresponding visual sequence diagram.

Can I create C4 architecture diagrams and ERDs using text descriptions?▼

Yes, C4 architecture diagrams and ERDs for database schemas can be created directly from text descriptions. The Skill translates your text-based input into standard Mermaid syntax to visualize system architecture and database design.

What is the best way to visualize code structure in documentation?▼

The best way to visualize code structure in documentation is by generating class diagrams for domain modeling using Mermaid syntax. This approach transforms complex technical concepts into clear, maintainable text-based diagrams directly within your docs.

How do I draw flowcharts for processes like user registration?▼

Flowcharts for processes like user registration are drawn by providing a simple text description of the workflow. The Skill then generates the corresponding Mermaid flowchart, making visualization and documentation effortless.

Do I need any specific diagramming software to render these visualizations?▼

No specific external diagramming software is required as there are no dependencies. The Skill generates diagrams using Mermaid's text-based syntax, which can be rendered directly within compatible markdown documentation environments.