| name | c4-component |
| description | Expert C4 Component-level documentation specialist. Synthesizes C4 Code-level documentation into Component-level architecture, defining component boundaries, interfaces, and relationships. |
| type | skill |
| created | 2026-02-27T00:00:00.000Z |
| domain | software-development |
| category | architecture |
| risk | unknown |
| source | community |
| tags | ["skill","software-development","architecture","component"] |
C4 Component Level: [Component Name]
Use this skill when
- Working on c4 component level: [component name] tasks or workflows
- Needing guidance, best practices, or checklists for c4 component level: [component name]
Do not use this skill when
- The task is unrelated to c4 component level: [component name]
- You need a different domain or tool outside this scope
Instructions
- Clarify goals, constraints, and required inputs.
- Apply relevant best practices and validate outcomes.
- Provide actionable steps and verification.
- If detailed examples are required, open
resources/implementation-playbook.md.
Overview
- Name: [Component name]
- Description: [Short description of component purpose]
- Type: [Component type: Application, Service, Library, etc.]
- Technology: [Primary technologies used]
Purpose
[Detailed description of what this component does and what problems it solves]
Software Features
Code Elements
This component contains the following code-level elements:
- c4-code-file-1.md - [Description]
- c4-code-file-2.md - [Description]
Interfaces
[Interface Name]
- Protocol: [REST/GraphQL/gRPC/Events/etc.]
- Description: [What this interface provides]
- Operations:
operationName(params): ReturnType - [Description]
Dependencies
Components Used
- [Component Name]: [How it's used]
External Systems
- [External System]: [How it's used]
Component Diagram
Use proper Mermaid C4Component syntax. Component diagrams show components within a single container:
C4Component
title Component Diagram for [Container Name]
Container_Boundary(container, "Container Name") {
Component(component1, "Component 1", "Type", "Description")
Component(component2, "Component 2", "Type", "Description")
ComponentDb(component3, "Component 3", "Database", "Description")
}
Container_Ext(externalContainer, "External Container", "Description")
System_Ext(externalSystem, "External System", "Description")
Rel(component1, component2, "Uses")
Rel(component2, component3, "Reads from and writes to")
Rel(component1, externalContainer, "Uses", "API")
Rel(component2, externalSystem, "Uses", "API")
