c4-architecture

Generate C4 model architecture diagrams in Mermaid syntax.

Updated Feb 26, 2026
One-click install
npx skills add https://github.com/nicanac/gh-sync --skill c4-architecture-nicanac
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: c4-architecture
Source: https://github.com/nicanac/gh-sync/tree/main/golden-source/.agents/skills/c4-architecture
Command: npx skills add https://github.com/nicanac/gh-sync --skill c4-architecture-nicanac

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

This Skill helps you create clear, professional software architecture documentation using the C4 model and Mermaid syntax, making complex systems understandable.

Core Features & Use Cases

  • Generate C4 Diagrams: Create Context, Container, Component, Deployment, and Dynamic diagrams.
  • Audience-Specific Views: Tailor diagrams for executives, developers, or DevOps.
  • Use Case: When asked to "document the architecture of our new microservices platform," this skill will generate a set of C4 diagrams illustrating the system context, individual containers, and their deployment infrastructure.

Quick Start

Generate a C4 context diagram for the 'ecommerce-platform' system.

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?

To generate C4 architecture diagrams, this skill creates Mermaid syntax for Context, Container, Component, Deployment, and Dynamic diagrams to visualize your software system. It translates your system description into structured Mermaid code adhering to C4 model best practices.

What is the best way to document a microservices platform for different audiences?

Documenting a microservices platform is best done using C4 model diagrams to provide audience-specific views. This skill generates tailored visualizations using Mermaid syntax, creating distinct abstraction levels for executives, developers, and DevOps teams.

Can I create both system context and deployment diagrams for my software architecture?

Yes, you can create both system context and deployment diagrams for your software architecture. This skill supports generating all five C4 diagram types—Context, Container, Component, Deployment, and Dynamic—using Mermaid syntax.

How does the C4 model help with system visualization for complex software?

The C4 model helps with system visualization by breaking complex software into hierarchical abstraction levels. This skill uses Mermaid syntax to generate these C4 diagrams, making intricate systems understandable through clear, structured visual documentation.

Do I need to install any dependencies to generate C4 diagrams with Mermaid?

No dependencies are required to start generating C4 diagrams with Mermaid. This skill operates autonomously with scripts and references to produce Mermaid syntax directly, requiring no external packages or setup.

When should I avoid using C4 diagrams for software design documentation?

You should avoid using C4 diagrams for software design documentation when your audience requires low-level code logic rather than high-level system visualization. C4 diagrams excel at architectural context but are not suited for detailed implementation specifics.