JJolix.

The library

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Copy-paste-ready prompts with real results and the right AI model for each. New prompts land every week.

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📱> Cross-Platform Mobile App with Expo + React Native (Spec → Ship)Result on Link
📱 Mobile AppsNew🔒

Cross-Platform Mobile App with Expo + React Native (Spec → Ship)

A multi-phase Claude Code prompt that turns an app idea into a working Expo app with Expo Router, typed data layer, offline support, secure storage and tests.

Claude Opus 5.5Claude Sonnet 5.5intermediate
SaaS Landing Page with Next.js + Tailwind (4-Phase Claude Code Build)
🌐 WebsitesNew🔒
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SaaS Landing Page with Next.js + Tailwind (4-Phase Claude Code Build)

A complete, phased Claude Code prompt that interviews you, writes a SPEC.md, then builds a fast, accessible, SEO-ready SaaS landing page in Next.js + Tailwind with verified 'done when' checks.

Claude Opus 5.5Claude Sonnet 5.5intermediate
📱> Mobile App MVP: SPEC.md Interview Before a Single Line of Code
📱 Mobile AppsNew🔒

Mobile App MVP: SPEC.md Interview Before a Single Line of Code

Claude interviews you like a senior PM + tech lead and produces a build-ready SPEC.md, screen inventory and phased plan for any mobile MVP — the step that prevents most AI-built apps from collapsing.

Claude Opus 5.5beginner
💻> Senior Code Review: Bugs First, Then Maintainability
💻 Coding🔒

Senior Code Review: Bugs First, Then Maintainability

A structured code-review prompt that finds real defects before style nits — correctness, security, performance, maintainability — with line-specific feedback and suggested patches.

Claude Opus 5.5Claude Sonnet 5.5beginner
🎨> Design System Starter: Tokens, Components and Usage Rules
🎨 UI / UX🔒

Design System Starter: Tokens, Components and Usage Rules

Generates a coherent design system from your brand inputs — color, type, spacing and motion tokens with light/dark modes, component specs and do/don't rules — exported as CSS variables and Tailwind config.

Claude Sonnet 5.5intermediate