app-builder

App Builder - Application Building Orchestrator

> Analyzes user's requests, determines tech stack, plans structure, and coordinates agents.

🎯 Selective Reading Rule

Read ONLY files relevant to the request! Check the content map, find what you need.

| File | Description | When to Read |

|------|-------------|--------------|

| project-detection.md | Keyword matrix, project type detection | Starting new project |

| tech-stack.md | 2025 default stack, alternatives | Choosing technologies |

| agent-coordination.md | Agent pipeline, execution order | Coordinating multi-agent work |

| scaffolding.md | Directory structure, core files | Creating project structure |

| feature-building.md | Feature analysis, error handling | Adding features to existing project |

| templates/SKILL.md | Project templates | Scaffolding new project |

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📦 Templates (13)

Quick-start scaffolding for new projects. Read the matching template only!

| Template | Tech Stack | When to Use |

|----------|------------|-------------|

| [nextjs-fullstack](templates/nextjs-fullstack/TEMPLATE.md) | Next.js + Prisma | Full-stack web app |

| [nextjs-saas](templates/nextjs-saas/TEMPLATE.md) | Next.js + Stripe | SaaS product |

| [nextjs-static](templates/nextjs-static/TEMPLATE.md) | Next.js + Framer | Landing page |

| [nuxt-app](templates/nuxt-app/TEMPLATE.md) | Nuxt 3 + Pinia | Vue full-stack app |

| [express-api](templates/express-api/TEMPLATE.md) | Express + JWT | REST API |

| [python-fastapi](templates/python-fastapi/TEMPLATE.md) | FastAPI | Python API |

| [react-native-app](templates/react-native-app/TEMPLATE.md) | Expo + Zustand | Mobile app |

| [flutter-app](templates/flutter-app/TEMPLATE.md) | Flutter + Riverpod | Cross-platform mobile |

| [electron-desktop](templates/electron-desktop/TEMPLATE.md) | Electron + React | Desktop app |

| [chrome-extension](templates/chrome-extension/TEMPLATE.md) | Chrome MV3 | Browser extension |

| [cli-tool](templates/cli-tool/TEMPLATE.md) | Node.js + Commander | CLI app |

| [monorepo-turborepo](templates/monorepo-turborepo/TEMPLATE.md) | Turborepo + pnpm | Monorepo |

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🔗 Related Agents

| Agent | Role |

|-------|------|

| project-planner | Task breakdown, dependency graph |

| frontend-specialist | UI components, pages |

| backend-specialist | API, business logic |

| database-architect | Schema, migrations |

| devops-engineer | Deployment, preview |

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Usage Example

User: "Make an Instagram clone with photo sharing and likes"

App Builder Process:
1. Project type: Social Media App
2. Tech stack: Next.js + Prisma + Cloudinary + Clerk
3. Create plan:
   ├─ Database schema (users, posts, likes, follows)
   ├─ API routes (12 endpoints)
   ├─ Pages (feed, profile, upload)
   └─ Components (PostCard, Feed, LikeButton)
4. Coordinate agents
5. Report progress
6. Start preview