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codebase-documenter

Generate codebase documentation with architecture diagrams and data flow.

3|1|Updated Dec 21, 2025
Search Tags:#architecture#documentation#onboarding#mermaid#codebase#development-guidelines
One-click install
npx skills add https://github.com/I-Onlabs/claude-code-skills --skill codebase-documenter-i-onlabs
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: codebase-documenter
Source: https://github.com/I-Onlabs/claude-code-skills/tree/main/codebase-documenter
Command: npx skills add https://github.com/I-Onlabs/claude-code-skills --skill codebase-documenter-i-onlabs

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Automatically generates comprehensive documentation for codebases, making it easier for newcomers to understand architecture, data flow, key components, and development guidelines.

Core Features & Use Cases

  • Automated architecture diagrams: Mermaid-based visualizations of high-level design.
  • Data flow mapping: Traces data movement across modules and services.
  • Onboarding documentation: Generates setup and contribution guidelines for new developers.
  • Use Case: Ideal for documenting legacy systems or unfamiliar codebases to accelerate onboarding.

Quick Start

Run the codebase-documenter on the target repository to generate the documentation.

Frequently Asked Questions about codebase-documenter

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I generate documentation for an unfamiliar codebase to speed up developer onboarding?▼

To generate codebase documentation for onboarding, this Skill analyzes source files, directory structures, and code patterns to produce structured architecture explanations and setup guidelines. It automates the extraction of data flow and development rules.

Can I automatically create architecture diagrams with Mermaid for my existing repository?▼

Yes, you can automatically generate Mermaid-based architecture diagrams for your repository. The Skill analyzes source files and code patterns to map high-level design and data flow across modules, producing maintainable visualizations.

What is the best way to document legacy system architecture and data flow?▼

The best way to document legacy system architecture is to analyze the existing source code and directory structure to map data flow across services. This Skill extracts code patterns to produce structured guidelines and visual documentation.

Does this codebase documentation generator require any specific dependencies or components to run?▼

No, this codebase documentation generator does not require any external dependencies or components to run. It analyzes your target repository's native source files and directory structure to produce structured output.

How do I map data flow across modules and services for my development guidelines?▼

To map data flow across modules and services for development guidelines, the Skill traces data movement by analyzing your code patterns and source files. It outputs structured documentation explaining how your architecture operates.

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