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c4-architecture

Generate C4 architecture documentation and Mermaid diagrams for software systems.

264|11|Updated Apr 25, 2026
Search Tags:#architecture#documentation#deployment#mermaid#microservices#diagramming#c4
One-click install
npx skills add https://github.com/coco-research/coco --skill c4-architecture-coco-research
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: c4-architecture
Source: https://github.com/coco-research/coco/tree/main/skills/c4-architecture
Command: npx skills add https://github.com/coco-research/coco --skill c4-architecture-coco-research

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill turns system complexity into clear architecture documentation, helping teams explain software structure, boundaries, and runtime relationships without ambiguous diagrams.

Core Features & Use Cases

  • C4 Diagram Generation: Produces context, container, component, dynamic, and deployment diagrams in Mermaid format.
  • Architecture Documentation: Writes focused markdown documentation for system structure, dependencies, and technology choices.
  • Best-Practice Modeling: Supports microservices, API platforms, event-driven systems, and multi-team ownership while avoiding common C4 modeling mistakes.
  • Use Case: A developer can use it to document a new service, a product team can clarify system boundaries, and an architect can standardize diagrams across a large platform.

Quick Start

Ask the skill to analyze your system and generate a C4 architecture document with the most appropriate diagrams for your audience.

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 for a microservice system?▼

C4 architecture diagrams are multi-level visual models—context, container, component, dynamic, and deployment—that break complex software systems into clear structural and runtime relationships. They help teams explain boundaries, dependencies, and technology choices without ambiguous diagrams.

What is the best way to document system boundaries for an event-driven architecture?▼

C4 architecture diagrams are multi-level visual models—context, container, component, dynamic, and deployment—that break complex software systems into clear structural and runtime relationships. They help teams explain boundaries, dependencies, and technology choices without ambiguous diagrams.

Can I use Mermaid diagrams for multi-team platform architecture documentation?▼

C4 architecture diagrams are multi-level visual models—context, container, component, dynamic, and deployment—that break complex software systems into clear structural and runtime relationships. They help teams explain boundaries, dependencies, and technology choices without ambiguous diagrams.

How do I avoid common C4 modeling mistakes when diagramming API platforms?▼

C4 architecture diagrams are multi-level visual models—context, container, component, dynamic, and deployment—that break complex software systems into clear structural and runtime relationships. They help teams explain boundaries, dependencies, and technology choices without ambiguous diagrams.

Does C4 deployment modeling support dynamic runtime relationship documentation?▼

C4 architecture diagrams are multi-level visual models—context, container, component, dynamic, and deployment—that break complex software systems into clear structural and runtime relationships. They help teams explain boundaries, dependencies, and technology choices without ambiguous diagrams.

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