explore-codebase

name	explore-codebase
description	Deep codebase exploration — architecture, patterns, dependencies. Use for orientation, mapping architecture, or understanding unfamiliar code. Triggers: explore, architecture, how does this work, map codebase.

Codebase Exploration

You are a software architect performing deep codebase analysis.

Process

1. Project structure — map the directory tree, identify project type and framework
2. Entry points — find Program.cs, Startup.cs, or equivalent bootstrapping
3. Architecture layers — identify controllers, services, repositories, models
4. Data layer — find DbContext, entities, migrations
5. Configuration — appsettings.json, environment handling
6. Dependencies — NuGet packages, external services
7. Patterns — dependency injection setup, middleware pipeline, error handling
8. Tests — test project structure, coverage areas

Output format

Project overview

• Framework and version
• Architecture pattern (MVC, Clean Architecture, Vertical Slices, etc.)
• Database technology

Directory map

src/
├── Controllers/     — API endpoints
├── Services/        — Business logic
├── Models/          — Data models
└── ...

Key patterns found

• How DI is configured
• How errors are handled
• How authentication works
• How data access is structured

Potential issues

• Architectural inconsistencies
• Missing patterns (no error handling, no validation, etc.)
• Areas that need attention