---
name: app-builder-004a6c352b5c
description: Main application building orchestrator. Creates full-stack applications from natural language requests. Determines project type, selects tech stack, coordinates agents.
allowed-tools: Read, Write, Edit, Glob, Grep, Bash, Agent
---

# 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             |

---

## 📦 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              |

---

## 🔗 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              |

---

## 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
```


---
Source attribution: Ab-aswini
Original project: https://github.com/Ab-aswini/Agent-kit-P1/blob/16ae07362b19abdfca76a3c20a7e34bb40dbadff/.agent-os/skills/app-builder/SKILL.md
License: MIT
License information: https://opensource.org/license/mit
Original upstream instructions; downloaded from Dave AI.

## Upstream license notice

MIT License

Copyright (c) 2025 Ab-aswini

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.



# Dave AI resource metadata

Creator / publisher: Ab-aswini
Original project: https://github.com/Ab-aswini/Agent-kit-P1/blob/16ae07362b19abdfca76a3c20a7e34bb40dbadff/.agent-os/skills/app-builder/SKILL.md
Attribution basis: Source repository record

Fields of work: Development & Engineering, Product Management
Roles: Backend Developer, DevOps / SRE, Frontend Developer, Growth Product Manager, Product Manager
Specialties: Backend, DevOps, Frontend
Tools: Agent
Country applicability: Country not specified
Classification basis: Source catalog labels
Instruction SHA-256: 7da3523bed9c5735594bd5a4233cf99db931896e8ebf4663ef52d859c461702f