app-builder
Main application building orchestrator. Creates full-stack applications from natural language requests. Determines project type, selects tech stack, coordinates agents.
Install / Use
npx skills add sickn33/agentic-awesome-skills --skill app-builderInstalls into whichever agent you are using.
SKILL.md
Installable skill definition
Quality Score
Category
Development & EngineeringSupported Platforms
Tags
Our assessment of app-builder
app-builder scores 91/100 on our quality scale, 428th of 2,860 Development & Engineering skills we index (top 15%).
Its SKILL.md is 3.5 KB long, split into 7 sections with 1 code example: a solid amount of guidance for an agent.
With 46,875 GitHub stars, it is one of the more widely adopted skills in the catalogue.
Maintenance, license and trust
- The repository was last updated 3 days ago, so app-builder is actively maintained.
- It is released under the MIT license, a permissive license that allows use, modification and commercial use with attribution.
- Its trust signals score 100/100, with no cautions. These come from repository metadata, not a code audit — read the skill file before letting an agent act on it.
app-builder compared with similar skills
All 4 of these similar skills score higher than app-builder; compare them before choosing.
| Skill | Score | Stars | Updated | Format |
|---|---|---|---|---|
| app-builder (this skill)by sickn33 | 91 | 46.9k | 3d ago | SKILL.md |
| ai-job-searchby MadsLorentzen | 100 | 44.1k | today | CLAUDE.md |
| claude-howtoby luongnv89 | 100 | 41.7k | 1d ago | CLAUDE.md |
| algorithmic-artby anthropics | 100 | 177.9k | 5d ago | SKILL.md |
| pptxby anthropics | 100 | 177.9k | 5d ago | SKILL.md |
Frequently asked questions
- How do I install app-builder?
- Run
npx skills add sickn33/agentic-awesome-skills --skill app-builder. The install tabs above show the steps for each supported agent. - Which AI agents does app-builder work with?
- It is written for Universal, as a SKILL.md file. Other agents that read the same format can often use it too.
- Is app-builder safe to use?
- It is MIT-licensed and scores 100/100 on trust signals. Skills are instructions an agent will follow, so read the file before installing it and do not approve commands you do not understand.
- Is app-builder still maintained?
- The repository was last updated 3 days ago, so app-builder is actively maintained.
Skill content
View source on GitHubname: app-builder description: "Main application building orchestrator. Creates full-stack applications from natural language requests. Determines project type, selects tech stack, coordinates agents." risk: critical source: community date_added: "2026-02-27"
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 | 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 |
🔗 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.
Limitations
- Use this skill only when the task clearly matches the scope described above.
- Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
- Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.
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Languages
Trust signals
From repository metadata: license, adoption, age and documentation. Not a code audit — see the Safety scan above for what the skill file itself contains.