docgen

Documents

Generate comprehensive documentation for .NET/C# codebases including architecture diagrams, API references, domain models, and getting started guides. Use when asked to: generate docs, document this, create documentation, write docs for, document a .NET project, create architecture documentation, document APIs.

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How to use this skill

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Prompt to paste

I want to install this Agent Skill for this project in Codex.

Source SKILL.md: https://github.com/majiayu000/claude-skill-registry/blob/HEAD/skills/documents/docgen/SKILL.md

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First, summarize what it does, its dependencies, license status if identifiable, and any risks. Show the exact files you propose to add under .agents/skills/docgen/. Do not write files or run scripts until I approve.

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Documentation Generator

Generate comprehensive documentation for .NET/C# codebases.

Prerequisites

Scripts in scripts/:

scan_dotnet.py - Analyze project structure, patterns, frameworks
find_endpoints.py - Extract ASP.NET API endpoints

Workflow

Phase 1: Analysis

1.1 Scan Codebase Structure

python3 scripts/scan_dotnet.py /path/to/codebase

Output: JSON with solution structure, frameworks, packages, detected patterns (Repository, CQRS, DDD, MediatR).

1.2 Extract API Endpoints (if web project)

python3 scripts/find_endpoints.py /path/to/codebase

Output: JSON with controllers, routes, parameters, response types.

1.3 Identify Key Files

Always read:

README.md, CLAUDE.md (existing context)
Program.cs or Startup.cs (configuration)
Domain entities (in Domain/Core projects)

For Clean Architecture: Domain → Application → Infrastructure layers For libraries: Public API surface, extension methods, configuration classes

Phase 2: Planning

Determine documents to generate:

Document	When to Include
Architecture Overview	Always
Getting Started	Always
API Reference	Web project with endpoints
Domain Model	DDD patterns detected
Configuration Guide	Options/Configuration classes found

Create progress tracker at /path/to/codebase/docs/.docgen-progress.json.

Phase 3: Generation

For each document:

Read relevant source files
Generate markdown following templates in references/
Write to /path/to/codebase/docs/
Update progress tracker

Phase 4: Finalization

Generate docs/README.md navigation
Generate docs/GLOSSARY.md (if DDD)
Mark progress complete

Reference Templates

Detailed templates for each document type:

Architecture: See architecture.md
API Reference: See api-reference.md
Domain Model: See domain-model.md
Getting Started: See getting-started.md

Output Structure

docs/
├── README.md                 # Navigation index
├── GLOSSARY.md              # Domain terms (if applicable)
├── .docgen-progress.json    # Progress tracking
├── architecture/
│   └── overview.md
├── api/
│   └── README.md
├── domain/
│   └── models.md
└── getting-started.md

Quality Standards

Reference actual file paths and class names
Include real code examples from the codebase
Use Mermaid diagrams for architecture
Define domain terms in glossary
Cross-reference between documents