# C4 Code

> Expert C4 Code-level documentation specialist. Analyzes code directories to create comprehensive C4 code-level documentation including function signatures, arguments, dependencies, and code structure. Use when documenting code at the lowest C4 level for individual directories and code modules.

- Skill: `dokhacgiakhoa/c4-code` (Agent Skill, multi-file: 11 files)
- Install (CLI): `npx skillmds@latest add dokhacgiakhoa/c4-code`
- Raw SKILL.md: https://api.skillmd.com/api/skills/dokhacgiakhoa/c4-code/raw
- Safety review: PASS (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: AI & ML
- Author: Dokhacgiakhoa (https://skillmd.com/u/dokhacgiakhoa)
- Updated: 2026-08-19
- Page: https://skillmd.com/skills/dokhacgiakhoa/c4-code

---


# C4 Code Level: [Directory Name]

## Use this skill when

- Working on c4 code level: [directory name] tasks or workflows
- Needing guidance, best practices, or checklists for c4 code level: [directory name]

## Do not use this skill when

- The task is unrelated to c4 code level: [directory 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**: [Descriptive name for this code directory]
- **Description**: [Short description of what this code does]
- **Location**: [Link to actual directory path]
- **Language**: [Primary programming language(s)]
- **Purpose**: [What this code accomplishes]

## Code Elements

## 🧠 Knowledge Modules (Fractal Skills)

### 1. [Functions/Methods](./sub-skills/functionsmethods.md)
### 2. [Classes/Modules](./sub-skills/classesmodules.md)
### 3. [Internal Dependencies](./sub-skills/internal-dependencies.md)
### 4. [External Dependencies](./sub-skills/external-dependencies.md)
### 5. [Object-Oriented Code (Classes, Interfaces)](./sub-skills/object-oriented-code-classes-interfaces.md)
### 6. [Functional/Procedural Code (Modules, Functions)](./sub-skills/functionalprocedural-code-modules-functions.md)
### 7. [Choosing the Right Diagram](./sub-skills/choosing-the-right-diagram.md)
### 8. [Object-Oriented Codebases](./sub-skills/object-oriented-codebases.md)
### 9. [Functional/Procedural Codebases](./sub-skills/functionalprocedural-codebases.md)
### 10. [Mixed Paradigm](./sub-skills/mixed-paradigm.md)