c4-architecture

Generate standardized C4 model architecture diagrams using Mermaid syntax.

9|2|Updated Jan 29, 2026
One-click install
npx skills add https://github.com/stephanj/claude-code-collections --skill c4-architecture-stephanj
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: c4-architecture
Source: https://github.com/stephanj/claude-code-collections/tree/main/skills/c4-architecture
Command: npx skills add https://github.com/stephanj/claude-code-collections --skill c4-architecture-stephanj

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This skill solves the challenge of creating consistent, professional software architecture documentation by automating the generation of C4 model diagrams using Mermaid syntax.

Core Features & Use Cases

  • Multi-Level Visualization: Generate Context, Container, Component, Deployment, and Dynamic diagrams to suit different technical and non-technical audiences.
  • Best Practice Enforcement: Automatically applies C4 model conventions, such as unidirectional relationships and clear technology labeling, to ensure architectural clarity.
  • Use Case: When you need to communicate a complex microservices architecture to stakeholders, use this skill to generate a high-level Container diagram that clearly maps services, databases, and message queues.

Quick Start

Use the c4-architecture skill to generate a system context diagram for the current project.

Frequently Asked Questions about c4-architecture

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

FAQPage Schema
How do I generate C4 architecture diagrams using Mermaid syntax?

You can generate C4 architecture diagrams using Mermaid syntax by defining your software systems, containers, and components with their relationships to automatically produce standardized visualizations. This approach enforces consistent element naming, technology labeling, and unidirectional relationship modeling for clear architectural documentation.

What is the C4 model used for in software architecture documentation?

The C4 model is used in software architecture documentation to visualize systems at multiple abstraction levels, including context, container, component, and deployment diagrams. It provides different technical and non-technical stakeholders, from executives to DevOps engineers, with the appropriate level of architectural detail.

Can I create a container diagram to communicate a microservices architecture to stakeholders?

Yes, you can create a container diagram to communicate a microservices architecture to stakeholders by mapping out services, databases, and message queues. This provides a high-level visualization that clearly defines the technology stack and unidirectional dependencies between each container.

Does this approach to architecture visualization support dynamic and deployment diagrams?

Yes, this approach to architecture visualization supports the creation of dynamic and deployment diagrams alongside context, container, and component diagrams. It generates these various diagram types using Mermaid syntax to document software systems for diverse audiences and environments.

What is the best way to enforce consistent naming and technology labeling in architecture diagrams?

The best way to enforce consistent naming and technology labeling in architecture diagrams is to automate generation using C4 model conventions. This ensures architectural clarity by applying standardized practices like unidirectional relationships and clear technology labels across all generated diagrams.