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Codebase Documenter

Generates comprehensive documentation for codebases - architecture, components, data flow, development guidelines.

When to Use

• "explain this codebase"
• "document the architecture"
• "how does this code work"
• "create developer documentation"
• "generate codebase overview"
• "create onboarding docs"

What It Documents

1. Project Overview

• Purpose & vision
• Target users
• Key features
• Technology stack
• Project status

2. Architecture

• High-level structure
• Design patterns
• Data flow
• Control flow
• Diagrams (Mermaid)
• Architectural decisions

3. Directory Structure

• Organization purpose
• Naming conventions
• Entry points
• Core modules
• Configuration locations

4. Key Components

• Major modules
• Classes & functions
• Responsibilities
• Interactions
• Extension points
• Code examples

5. External Integrations

• APIs consumed
• Databases & schemas
• Authentication
• Caching
• Message queues
• File storage

6. Data Models

• Database schema
• Data structures
• Validation
• Migrations
• Data transformations

7. Development Setup

• Prerequisites
• Installation steps
• Configuration
• Running the app
• Testing
• Debugging
• Troubleshooting

8. Development Guidelines

• Coding conventions
• Testing approach
• Error handling
• Logging
• Security practices
• Performance patterns

9. Deployment

• Build process
• Deployment steps
• Environments
• Monitoring
• Rollback procedures

10. Contributing

• Development workflow
• Code review guidelines
• Testing requirements
• Documentation updates

Approach

1. Explore using Explore agent (thorough)
2. Map structure with Glob
3. Read critical files (README, entry points, core modules)
4. Identify patterns with Grep (imports, exports)
5. Trace execution paths
6. Extract knowledge from docs, comments, tests
7. Synthesize into cohesive documentation

Output

Creates markdown documentation:

docs/
├── README.md              # Overview and quick start
├── ARCHITECTURE.md        # System architecture
├── DEVELOPMENT.md         # Development guide
├── API.md                 # API documentation
├── DEPLOYMENT.md          # Deployment guide
└── CONTRIBUTING.md        # Contribution guidelines

Or single comprehensive doc if preferred.

Depth Levels

• Quick : High-level overview (15-30 min)
• Standard : Comprehensive coverage (30-60 min)
• Deep : Exhaustive with examples (60+ min)

Visual Elements

• Mermaid diagrams (architecture, flow charts, sequence)
• Code examples from codebase
• Specific file:line references
• Tables for structured info
• Lists for guidelines

Tools Used

• Task (Explore agent) : Codebase exploration
• Glob : Map directory structure
• Grep : Find patterns, imports, exports
• Read : Analyze key files
• Write : Create documentation
• Bash : Extract metadata (git log, versions)

Success Criteria

• Complete coverage of all areas
• Clear explanations with examples
• Visual diagrams for complex concepts
• Specific file:line references
• Actionable setup/development instructions
• New developer can onboard using only docs
• Organized, navigable structure
• Accurate and current information

Integration

• code-auditor : Includes quality/security context
• project-bootstrapper : Documents bootstrap decisions
• visual-html-creator : Create visual diagrams

Weekly Installs

183

Repository

mhattingpete/cl…ketplace

GitHub Stars

486

First Seen

Jan 24, 2026

Security Audits

Gen Agent Trust HubPassSocketPassSnykFail

Installed on

opencode167

gemini-cli159

codex159

cursor155

github-copilot154

amp140