Full-stack application orchestrator that analyzes requests, selects tech stacks, and coordinates multi-agent development.
Works with
Detects project type from natural language and recommends appropriate technology stack from 13 pre-built templates covering web apps, APIs, mobile, desktop, and CLI tools
Coordinates execution across specialized agents: project planner, frontend specialist, backend specialist, database architect, and DevOps engineer
Provides selective reading guidance through a co
AI-first code editor with Composer
Before installing skills in Cursor, ensure your development environment meets these requirements:
node --versionapp-builderExecute the skills CLI command in your project's root directory to begin installation:
Fetches app-builder from sickn33/antigravity-awesome-skills and configures it for Cursor.
The CLI shows a list of agents. Use arrow keys and space to select Cursor:
Confirm successful installation by checking the skill directory location:
Restart Cursor to activate app-builder. Access via /app-builder in your agent's command palette.
We perform automated surface-level scans (Gen AI Scanner, Socket, Snyk) during installation. These checks detect common vulnerabilities but do not guarantee complete security. Always review skill source code and verify the publisher's reputation before production use.
Skills execute code in your environment. Always review source, verify the publisher, and test in isolation before production.
Submit your Claude Code skill and start earning
Automate repetitive workflows and reduce manual effort
Example
Generate reports, summarize documents, draft communications
Save 3-5 hours per week on routine tasks
Learn new skills, understand complex topics, get expert guidance
Example
Explain concepts, provide examples, suggest learning resources
Accelerate learning and skill development by 2x
Enhance output quality through reviews, suggestions, and refinements
Example
Review drafts, suggest improvements, catch errors
Improve work quality by 30-40% with less effort
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Analyzes user's requests, determines tech stack, plans structure, and coordinates agents.
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 |
Quick-start scaffolding for new projects. Read the matching template only!
| Template | Tech Stack | When to Use |
|---|---|---|
| nextjs-fullstack | Next.js + Prisma | Full-stack web app |
| nextjs-saas | Next.js + Stripe | SaaS product |
| nextjs-static | Next.js + Framer | Landing page |
| nuxt-app | Nuxt 3 + Pinia | Vue full-stack app |
| express-api | Express + JWT | REST API |
| python-fastapi | FastAPI | Python API |
| react-native-app | Expo + Zustand | Mobile app |
| flutter-app | Flutter + Riverpod | Cross-platform mobile |
| electron-desktop | Electron + React | Desktop app |
| chrome-extension | Chrome MV3 | Browser extension |
| cli-tool | Node.js + Commander | CLI app |
| monorepo-turborepo | Turborepo + pnpm | Monorepo |
| 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 |
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
This skill is applicable to execute the workflow or actions described in the overview.
Prerequisites
Time Estimate
15-45 minutes depending on use case complexity
Steps
Common Pitfalls
✓ Do
✗ Don't
💡 Pro Tips
✓ Use when
Use when skill capabilities match your task, clear ROI on time saved, and you can validate outputs. Best for repetitive tasks, learning, and quality improvement.
✗ Avoid when
Avoid when task requires deep expertise you can't validate, involves sensitive decisions, or when learning process is more valuable than speed of completion.
sickn33/antigravity-awesome-skills
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anthropics/claude-code
mblode/agent-skills
github/awesome-copilot
leonxlnx/taste-skill
app-builder is among the better-maintained entries we tried; worth keeping pinned for repeat workflows.
Registry listing for app-builder matched our evaluation — installs cleanly and behaves as described in the markdown.
app-builder has been reliable in day-to-day use. Documentation quality is above average for community skills.
Solid pick for teams standardizing on skills: app-builder is focused, and the summary matches what you get after install.
app-builder fits our agent workflows well — practical, well scoped, and easy to wire into existing repos.
Useful defaults in app-builder — fewer surprises than typical one-off scripts, and it plays nicely with `npx skills` flows.
app-builder has been reliable in day-to-day use. Documentation quality is above average for community skills.
Solid pick for teams standardizing on skills: app-builder is focused, and the summary matches what you get after install.
Registry listing for app-builder matched our evaluation — installs cleanly and behaves as described in the markdown.
app-builder reduced setup friction for our internal harness; good balance of opinion and flexibility.
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