app-builder

Main application building orchestrator. Creates full-stack applications from natural language requests. Determines project type, selects tech stack, coordinates agents.

31,392 stars

Best use case

app-builder is best used when you need a repeatable AI agent workflow instead of a one-off prompt. It is especially useful for teams working in multi. Main application building orchestrator. Creates full-stack applications from natural language requests. Determines project type, selects tech stack, coordinates agents.

Main application building orchestrator. Creates full-stack applications from natural language requests. Determines project type, selects tech stack, coordinates agents.

Users should expect a more consistent workflow output, faster repeated execution, and less time spent rewriting prompts from scratch.

Practical example

Example input

Use the "app-builder" skill to help with this workflow task. Context: Main application building orchestrator. Creates full-stack applications from natural language requests. Determines project type, selects tech stack, coordinates agents.

Example output

A structured workflow result with clearer steps, more consistent formatting, and an output that is easier to reuse in the next run.

When to use this skill

  • Use this skill when you want a reusable workflow rather than writing the same prompt again and again.

When not to use this skill

  • Do not use this when you only need a one-off answer and do not need a reusable workflow.
  • Do not use it if you cannot install or maintain the related files, repository context, or supporting tools.

Installation

Claude Code / Cursor / Codex

$curl -o ~/.claude/skills/app-builder/SKILL.md --create-dirs "https://raw.githubusercontent.com/sickn33/antigravity-awesome-skills/main/plugins/antigravity-awesome-skills-claude/skills/app-builder/SKILL.md"

Manual Installation

  1. Download SKILL.md from GitHub
  2. Place it in .claude/skills/app-builder/SKILL.md inside your project
  3. Restart your AI agent — it will auto-discover the skill

How app-builder Compares

Feature / Agentapp-builderStandard Approach
Platform SupportNot specifiedLimited / Varies
Context Awareness High Baseline
Installation ComplexityUnknownN/A

Frequently Asked Questions

What does this skill do?

Main application building orchestrator. Creates full-stack applications from natural language requests. Determines project type, selects tech stack, coordinates agents.

Where can I find the source code?

You can find the source code on GitHub using the link provided at the top of the page.

Related Guides

SKILL.md Source

# 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
```

## When to Use
This skill is applicable to execute the workflow or actions described in the overview.

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