mermaid

Generate flowcharts, sequence, class, ER, state, architecture, and deployment diagrams from code analysis.

56|5|Updated Feb 27, 2026

Search Tags:#architecture #code analysis #documentation #mermaid #visualization #diagrams #flowcharts

Ready to run

npx skills add https://github.com/diegomarino/claude-toolshed --skill mermaid-diegomarino

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: mermaid
Source: https://github.com/diegomarino/claude-toolshed/tree/main/plugins/mermaid/skills/mermaid
Command: npx skills add https://github.com/diegomarino/claude-toolshed --skill mermaid-diegomarino

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires beautiful-mermaid, and includes scripts (resource) and references (resource) and assets (resource) and examples (resource) components.

What problem does it solve?

This Skill transforms complex codebases, system architectures, and data models into clear, visual diagrams, making them easier to understand, document, and communicate.

Core Features & Use Cases

Diagram Generation: Create various diagram types (flowchart, sequence, class, ER, state, architecture, deployment) from natural language descriptions or code analysis.
Code-to-Diagram: Analyze code repositories to automatically generate relevant diagrams (e.g., /mermaid-architect).
Use Case: You're onboarding a new developer to a microservices project. Use /mermaid-architect to generate an architecture diagram of the services and their interactions, providing an instant visual overview.

Quick Start

Generate a flowchart illustrating the user login process.

Frequently Asked Questions about mermaid

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

FAQPage Schema

How do I generate architecture diagrams from an existing codebase?▼

You can generate architecture diagrams by analyzing code repositories to automatically map services and interactions. This provides an instant visual overview of the system, making onboarding and documentation easier without manual drawing.

Can I create flowcharts and sequence diagrams from natural language descriptions?▼

Yes, you can create flowcharts, sequence diagrams, and class diagrams directly from natural language descriptions. The system translates your text inputs into standard visual diagram formats automatically.

What types of diagrams can I generate for system visualization?▼

For system visualization, you can generate flowcharts, sequence diagrams, class diagrams, ER diagrams, state diagrams, architecture diagrams, and deployment diagrams to document complex codebases and data models.

Does this diagram generation tool support theme customization and validation?▼

Yes, the diagram generation process includes tools for syntax validation, rendering, and theme customization. This ensures your visual documentation meets specific formatting and styling requirements.

What is the best way to visualize microservices interactions for new developers?▼

The best way to visualize microservices is by analyzing the codebase to automatically generate an architecture diagram. This instantly maps out the various services and their interactions for new team members.

Do I need the beautiful-mermaid dependency to render diagrams?▼

Yes, the beautiful-mermaid dependency is required to handle the rendering and visual output of the diagrams. It provides the underlying engine needed to display the generated visualizations correctly.