Project Onboarding

ProductivityBeginner

Automatically analyzes directory structure, tech stack, key files, and core flows of an unfamiliar project to help you get up to speed fast.

Trigger/onboard

FrequencyOn project join

Developer on day one at a new job or project? Run /onboard to grasp the entire structure in 5 minutes and start contributing

OnboardingExplorationUnderstanding

How It Works

Run /onboard

↓

Phase 1: 4 scans in parallel

dir-scan

Scan directory structure

stack-detect

Detect tech stack

file-map

Map key files

flow-trace

Trace core flows

↓

Generate overview document

↓

✓ Tech stack + key files + architecture + Quick Start

Skill Code

# Project Onboarding Skill
## Trigger: /onboard

When invoked in a new project:

1. Scan project structure:
 - Directory tree (2 levels deep)
 - Key config files
 - README.md content

2. Detect tech stack:
 - Language and framework
 - Database and ORM
 - Testing framework
 - CI/CD setup

3. Identify key files:
 - Entry points (main, index, app)
 - Route definitions
 - Database models/schemas
 - Environment config

4. Map core flows:
 - Request lifecycle
 - Data flow
 - Authentication flow

5. Output:
---
## 🗺️ Project Overview

### Tech Stack
[framework] + [language] + [database]

### Key Files
- Entry: `src/index.ts`
- Routes: `src/routes/`
- Models: `src/models/`

### Architecture
[brief description of patterns used]

### Quick Start
```bash
[install command]
[run command]
```

### Key Concepts
- [concept 1]: [explanation]
- [concept 2]: [explanation]
---

Copy and paste into your CLAUDE.md to start using immediately.

How Project Onboarding Works

Project Onboarding scans a new codebase's directory structure, configuration files, and key modules to produce a concise orientation guide — covering architecture patterns, entry points, key dependencies, and development workflow.

When to Use Project Onboarding

Dramatically reduces ramp-up time when joining a new project or team — instead of spending days reading code, you get an instant architectural overview and know exactly where to look for each type of functionality.

Key Strengths

Produces architectural overview in minutes, not days
Identifies entry points and key modules automatically
Maps dependency relationships between components
Generates a mental model of the codebase structure

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