How do I install the App Builder skill?

Run npx skillmds@latest add sk-labs/app-builder in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is App Builder safe to use?

This skill has not completed SkillMD's automated safety review yet. Capability flags: docs only. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with App Builder?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is App Builder free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published App Builder?

sk-labs (@sk-labs) published this skill. Their other Agent Skills are listed on their SkillMD profile.

App Builder by sk-labs — Agent Skill

Name: App Builder
Rating: 4.2 (5 reviews)
Author: sk-labs

File contents

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`	2026 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

📦 Supported Project Types

The App Builder supports the following architectures. Use these as reference when planning structure:

Type	Tech Stack	Description
Next.js Fullstack	Next.js + Prisma	Full-stack web app with database
Next.js SaaS	Next.js + Stripe	SaaS product skeleton
Next.js Static	Next.js + Framer	High-performance landing page
Nuxt App	Nuxt 3 + Pinia	Vue full-stack application
Express API	Express + JWT	RESTful API service
Python FastAPI	FastAPI	High-performance Python API
React Native	Expo + Zustand	Mobile application (iOS/Android)
Flutter App	Flutter + Riverpod	Cross-platform mobile app
Electron Desktop	Electron + React	Cross-platform desktop app
Chrome Extension	Chrome MV3	Browser extension manifest v3
CLI Tool	Node.js + Commander	Command-line interface tool
Monorepo	Turborepo + pnpm	Multi-package workspace

🔗 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

---name: app-builderdescription: Main application building orchestrator. Creates full-stack applications from natural language requests. Determines project type, selects tech stack, coordinates agents.---# 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` | 2026 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 |---## 📦 Supported Project Types The App Builder supports the following architectures. Use these as reference when planning structure: | Type | Tech Stack | Description | |------|------------|-------------| | **Next.js Fullstack** | Next.js + Prisma | Full-stack web app with database | | **Next.js SaaS** | Next.js + Stripe | SaaS product skeleton | | **Next.js Static** | Next.js + Framer | High-performance landing page | | **Nuxt App** | Nuxt 3 + Pinia | Vue full-stack application | | **Express API** | Express + JWT | RESTful API service | | **Python FastAPI** | FastAPI | High-performance Python API | | **React Native** | Expo + Zustand | Mobile application (iOS/Android) | | **Flutter App** | Flutter + Riverpod | Cross-platform mobile app | | **Electron Desktop** | Electron + React | Cross-platform desktop app | | **Chrome Extension** | Chrome MV3 | Browser extension manifest v3 | | **CLI Tool** | Node.js + Commander | Command-line interface tool | | **Monorepo** | Turborepo + pnpm | Multi-package workspace |---## 🔗 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 App2. Tech stack: Next.js + Prisma + Cloudinary + Clerk3. Create plan: ├─ Database schema (users, posts, likes, follows) ├─ API routes (12 endpoints) ├─ Pages (feed, profile, upload) └─ Components (PostCard, Feed, LikeButton)4. Coordinate agents5. Report progress6. Start preview```

Frequently asked questions

App Builder