C4 Code Documentation Specialist

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Automates the creation of detailed C4 code-level documentation and architectural diagrams for software directories.

This skill enables Claude to act as a documentation expert specializing in the C4 model's fourth level: Code. It meticulously scans codebases to extract function signatures, class hierarchies, and internal/external dependencies. By generating standardized documentation and Mermaid diagrams—including class diagrams, data flow charts, and module structures—it helps developers maintain a clear, visual understanding of their code's internal implementation details and relationships, making it ideal for technical handovers and architectural audits.

主な機能

01Mapping of class hierarchies, interfaces, and module exports
0237,717 GitHub stars
03Detailed identification of internal and external dependencies
04Automated extraction of function signatures, arguments, and return types
05Generation of Mermaid diagrams for OOP, Functional, and Procedural paradigms
06Standardized C4 Code-level templates for consistent documentation

ユースケース

01Onboarding new developers to a complex codebase with visual structure maps
02Generating technical documentation for API layers and core logic modules
03Visualizing data flow and function dependencies during architectural refactoring