mermaid-diagrams

Generate class, sequence, flowchart, ERD, and C4 diagrams from text definitions.

Updated Jul 24, 2026
One-click install
npx skills add https://github.com/imMamdouhaboammar/kaku-chatgpt-harness --skill mermaid-diagrams-immamdouhaboammar
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: mermaid-diagrams
Source: https://github.com/imMamdouhaboammar/kaku-chatgpt-harness/tree/main/.agents/skills/mermaid-diagrams
Command: npx skills add https://github.com/imMamdouhaboammar/kaku-chatgpt-harness --skill mermaid-diagrams-immamdouhaboammar

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This skill solves the challenge of maintaining technical documentation by allowing you to generate professional diagrams directly from text, ensuring your visuals stay in sync with your code.

Core Features & Use Cases

  • Multi-Diagram Support: Create class diagrams, sequence diagrams, flowcharts, ERDs, and C4 architecture models.
  • Version Control Friendly: Since diagrams are defined as text, they can be tracked in Git, reviewed in pull requests, and updated alongside your source code.
  • Use Case: When documenting a new API, use this skill to generate a sequence diagram that clearly maps out the request-response flow between the client, gateway, and backend services.

Quick Start

Ask the mermaid-diagrams skill to generate a sequence diagram showing the authentication flow between a user, an API, and a database.

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 can generate software architecture diagrams from text definitions to keep visuals version-controlled in Git. This approach allows diagrams to be tracked, reviewed in pull requests, and updated alongside source code.

What types of system visualization diagrams can I create for technical documentation?

For technical documentation, you can create class diagrams, sequence diagrams, flowcharts, ERDs, and C4 architecture models. These diagram types cover application flows, data models, and system architecture visualization.

How do I map out an API request-response flow with a sequence diagram?

To map an API request-response flow, you generate a sequence diagram from text definitions. This visualizes the interactions between components like the client, gateway, and backend services throughout the authentication or request lifecycle.

Can I maintain and update visual documentation within my software development lifecycle?

Yes, you can maintain visual documentation within your software development lifecycle. By defining diagrams as text, your visual documentation stays in sync with code and remains easily updatable during design reviews.

What is the best way to visualize C4 architecture models alongside code changes?

The best way to visualize C4 architecture models alongside code changes is using text-based diagram definitions. This ensures your C4 models are maintainable and can be directly reviewed in pull requests when system architecture changes.

Are there limitations when using text-based definitions for complex system modeling?

Text-based definitions for complex system modeling require precise syntax to generate accurate diagrams. While highly maintainable and version-controlled, heavily styled or pixel-perfect visuals may be harder to achieve than with graphical editors.