App Builder

by softspark

App Builder is an Automation skill for Claude Code, published by softspark in ai-toolkit.

170 stars20 forkson softspark/ai-toolkitAdded 2026/09/08+2% in starsRepository updated 2026/09/07

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Install in seconds

Install App Builder

Copy App Builder into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/softspark/ai-toolkit/tree/main/app/skills/app-builder ~/.claude/skills/app-builder

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/softspark/ai-toolkit.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: app/skills/app-builder/SKILL.md in softspark/ai-toolkit
Installs to: ~/.claude/skills/app-builder
Collection: One of 25 skills cataloged from this repository
Category: Automation — 2226 skills

What App Builder does

App Builder scaffolds new projects for web, mobile, API, CLI, and AI apps using stacks like Next.js, Vite, Nuxt, Astro, FastAPI, Django, Laravel, React Native, and Flutter. Use it when starting a new app or choosing a starter architecture.

App Builder is cataloged under Automation on DirSkills. App Builder comes from a repository tagged ai-agents, ai-skills, anthropic, claude and claude-code.

Documentation

README

Excerpt

App Builder Skill

Project Type Detection

Keywords	Project Type	Primary Agents
landing, website, marketing	Static Site	frontend-specialist
dashboard, admin, crud	Web App	frontend + backend
api, rest, graphql	API Only	backend-specialist
mobile, ios, android	Mobile App	mobile-developer
cli, command, terminal	CLI Tool	backend-specialist
game, unity, godot	Game	game-developer
ai, ml, rag	AI/ML	ai-engineer
e-commerce, shop, store	E-commerce	backend + frontend

Tech Stack Selection (2025)

Web Applications

This is the opening of the README. Read the full README on GitHub.

Commands App Builder provides

Slash commands named in this skill’s SKILL.md, listed in the order they first appear.

/migrate
/refactor-plan
/plan
/typescript-patterns
/onboard
/explore
/architecture-decision
/plugin-creator
/agent-creator

Frequently asked about App Builder

What else does softspark publish alongside App Builder?
App Builder is one of 25 skills that DirSkills catalogs from softspark/ai-toolkit, the repository it ships in. Its siblings there include API Patterns, Accessibility Validator and Agent Creator. Each one is a separate skill with its own page in this directory, installs the same way App Builder does, and is maintained by softspark in that same repository. The rest of the collection is listed on the softspark/ai-toolkit page.
How does App Builder compare to other Automation skills?
App Builder ranks #1975 by stars among the 2226 Automation skills in this catalog. The most-starred ones next to it are Autonomous Loops, Autonomous Agent Harness and Automation Audit Ops. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of App Builder against them. Open each page to compare what they document and how they install.