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C4 Code Documentation Architect

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Learning & Documentation

Analyzes code directories to generate comprehensive C4 code-level documentation, function signatures, and structural diagrams.

The C4 Code skill transforms Claude into a specialized documentation architect focused on the 'Code' layer of the C4 model. It systematically crawls directories to extract function signatures, class hierarchies, and internal dependencies, providing a high-fidelity map of how code actually functions. Whether you are working with Object-Oriented patterns or Functional pipelines, this skill generates standardized technical documentation and Mermaid diagrams that simplify complex logic and accelerate developer onboarding.

Key Features

01Context-aware analysis of directory-specific logic and data flows
02Automated extraction of function signatures and return types
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04Generation of Mermaid diagrams for OOP and Functional paradigms
05Mapping of internal and external code dependencies
06Standardized documentation templates for modules and classes

Use Cases

01Creating deep-dive technical documentation for legacy codebases
02Onboarding new engineers by visualizing complex module relationships
03Standardizing architecture documentation within a CI/CD workflow