C4 Context

dokhacgiakhoa/c4-context

Expert C4 Context-level documentation specialist. Creates high-level system context diagrams, documents personas, user journeys, system features, and external dependencies. Synthesizes container and component documentation with system documentation to create comprehensive context-level architecture. Use when creating the highest-level C4 system context documentation.

1k tokens

context cost

the whole folder, loaded on every use

files

instructions only

copies elsewhere

how many repositories repackaged it

505

stars on the repo

on the repository, not the skill itself

Install

one command, takes just this skill from the repository

npx skills add https://github.com/Dokhacgiakhoa/Agent-Skills-4-Vibe-Coding-CLI --skill c4-context

What comes with it

4 059 bytes besides the instruction

sub-skills/external-system-integration-journey.md

sub-skills/external-system-name.md

sub-skills/feature-name-persona-name-journey.md

sub-skills/feature-name.md

sub-skills/long-description.md

sub-skills/persona-name.md

sub-skills/short-description.md

The instruction itself

13 sections, as written by the author

C4 Context Level: System Context

Use this skill when

Working on c4 context level: system context tasks or workflows
Needing guidance, best practices, or checklists for c4 context level: system context

Do not use this skill when

The task is unrelated to c4 context level: system context
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.

System Overview

🧠 Knowledge Modules (Fractal Skills)

1. Short Description

2. Long Description

3. Persona Name

4. Feature Name

5. Feature Name - Persona Name Journey

6. External System Integration Journey

7. External System Name

How to use it

Copy the folder

Take dokhacgiakhoa/c4-context from the repository into ~/.claude/skills for personal use, or into .claude/skills inside a project.

Check the name does not clash

The agent identifies a skill by the name field in its header. Two skills with the same name cannot sit side by side — one of them will be ignored.