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c4-diagrams

The C4 model provides a hierarchical way to visualize software architecture at different levels of abstraction: Context, Containers, Components, and Code.

  • Skills
  • Creative design
  • 2

What it does and how to use it

A skill that teaches Claude Code to do creative design tasks well. It is packaged knowledge the model uses whenever it is relevant.

  1. Install the skill (command above).
  2. In Claude Code, describe what you need - the skill turns on by itself when the context fits.
  3. No commands to memorize: you talk in plain language and the skill does the rest.

Install (Claude Code)

mkdir -p .claude/skills/c4-diagrams && curl -fsSL https://doutorai.pt/data/lib/skills__c4-diagrams.md -o .claude/skills/c4-diagrams/SKILL.md

Paste this command into the terminal, in your project folder, and the component installs automatically.

Content

# C4 Model Diagrams

The C4 model provides a hierarchical way to visualize software architecture at different levels of abstraction: Context, Containers, Components, and Code.

## C4 Model Levels

1. **System Context** - Shows the system and its users/external systems
2. **Container** - Shows applications, databases, and services within the system
3. **Component** - Shows internal structure of containers
4. **Code** - Class diagrams showing implementation details (use regular class diagrams)

## C4 Context Diagram

Shows the big picture: your system and its relationships with users and externa

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