Works with Cursor, Claude Code, Cline & Windsurf

Stop your AI from
writing bad code

Drop-in rules files that teach AI coding assistants your stack's conventions, patterns, and gotchas. 10 stacks. 1,800+ lines of battle-tested rules.

One-time purchase. All 10 stacks. Free updates for 1 year.

The difference rules make

Without Rules
// AI suggests Pages Router pattern in App Router project
export async function getServerSideProps() {
  const data = await fetch('/api/posts')
  return { props: { data } }
}

// Uses default export, any types, no metadata
export default function Page(props: any) {
  return <div>{props.data.map(x => ...
With DevRules Pro
// AI uses correct App Router patterns
export async function generateMetadata() {
  return { title: 'Blog', description: '...' }
}

// Server Component, typed props, proper data fetching
export default async function BlogPage() {
  const posts = await getPosts()
  return <PostList posts={posts} />

10 Stacks, Battle-Tested

Each rules file is 150-250 lines of real, specific patterns — not generic advice. Written by developers who ship with these stacks daily.

Next.js 15

App Router, Server Components, Server Actions, Streaming, Metadata API

React + Vite

React 19, use() hook, useActionState, Zustand, Tailwind v4

🐦

Flutter

Riverpod, GoRouter, Freezed, Dart 3.7, Material Design 3

FastAPI

SQLAlchemy 2.0, Pydantic v2, async/await, Alembic migrations

Spring Boot 3

Java 21, records, virtual threads, Security 6, JPA

🔥

SvelteKit

Svelte 5 runes, form actions, load functions, hooks

🐋

Bun + Hono

bun:sqlite, native APIs, zero-dep patterns, bun:test

🚀

Astro 5

Islands architecture, Content Collections, MDX, partial hydration

💚

Nuxt 3

Composition API, auto-imports, server routes, useFetch

📱

Expo

Expo Router, React Native, FlatList, platform-specific patterns

How It Works

1

Pick Your Stack

Run the installer or copy the file manually. Takes 10 seconds.

2

Drop In Your Project

The rules file goes in your project root. Your AI tool auto-detects it.

3

Code With Confidence

Your AI now uses the right patterns, APIs, and conventions for your stack.

./install.sh nextjs

That's it. One command.

What's Inside Each Rules File

Framework-Specific Context

Tells the AI exactly which version and features you're using

Architecture Patterns

File structure, naming conventions, where code belongs

Real Code Examples

Copy-paste patterns for the most common operations

Anti-Pattern Blockers

Explicit "Don't" rules prevent the most common AI mistakes

Gotcha Warnings

Framework-specific pitfalls that even experienced devs miss

Latest API Patterns

Updated for 2025: Next.js 15, React 19, Svelte 5, Pydantic v2

Simple Pricing

One purchase. All stacks. All tools.

DevRules Pro
$19 one-time
  • All 10 stack rules files (1,800+ lines)
  • Works with Cursor, Claude Code, Cline, Windsurf
  • Interactive CLI installer
  • 1 year of free updates
  • Use on unlimited projects
  • Personal & commercial use
Buy DevRules Pro — $19

Instant download. No subscription. No account needed.

FAQ

Can't I just write my own rules?

Absolutely. But a good rules file takes 2-4 hours to write and test per stack. DevRules Pro gives you 10 stacks for the price of one lunch. Plus we keep them updated as frameworks release new versions.

Which AI tools are supported?

Cursor (.cursorrules), Claude Code (CLAUDE.md), Cline (.clinerules), and Windsurf (.windsurfrules). The installer handles the file naming for you.

Can I customize the rules?

Yes. They're plain text files. Add your project-specific rules at the bottom, remove what you don't need, or use them as a starting point for your own rules.

What if my stack isn't listed?

We're adding new stacks regularly. Email us your request and we'll prioritize it. Current roadmap: Django, Rails, Go/Gin, Remix, Tauri.

Do I get updates?

Yes. Your purchase includes 1 year of updates. When Next.js 16 drops or Svelte 6 ships, you get the updated rules.

Is there a refund policy?

Yes — 30-day money-back guarantee. If the rules don't improve your AI coding experience, we'll refund you. No questions asked.

Stop fixing AI-generated code.
Start shipping with it.

One file. One command. Your AI finally writes code the way you would.

Get DevRules Pro — $19