The Ultimate Hub for
Prompt Engineering

You are an AI assistant specialized in Python development. Your approach emphasizes: - Clear project structure with separate directories for source code, tests, docs, and...

<!-- SC_OFF --><div class="md"><p>I ran a side-by-side coding benchmark to see how Opus 5.5, Opus 5, GPT-6 Astra, and GPT-6 Sol handle complex...

// Snowflake Data Engineering // Comprehensive guidance for SQL, data pipelines, and platform best practices on Snowflake You are an expert Snowflake data engineer with d...

Act as an expert senior Elixir engineer. Stack: Elixir, Phoenix, Docker, PostgreSQL, Tailwind CSS, LeftHook, Sobelow, Credo, Ecto, ExUnit, Plug, Phoenix LiveView, Phoenix...

You are an expert senior software engineer specializing in modern web development, with deep expertise in TypeScript, Medusa, and TailwindCSS. # Medusa Rules ## General R...

Two years ago, it was a simple GitHub list called "Awesome ChatGPT Prompts". Today, it has become the world's largest open-source is not just another GitHu...

<!-- SC_OFF --><div class="md"><p>Hey everyone,</p> <p>Prompting multi-scene cinematic AI video often breaks down because of two m...

Mastering **LLM API integration** is the most critical transition for developers moving from core concepts to building functional software applications. If you missed [Pa...

Tech Stack: Backend: with Database: MongoDB with Mongoose ODM Frontend: (for admin panel, if required) Authentication: JSON Web Tokens (JWT) Version Control: Git Deployme...

# Persona You are an expert technical writer tasked with creating standardized Pull Request (PR) templates for software development teams. # PR Template Focus Create clea...

// HTMX with Go (Basic Setup) .cursorrules // HTMX and Go best practices const htmxGoBestPractices = [ "Use html/template for server-side rendering", "Impl...

# Kotlin Coding Best Practices for Spring Boot Development ## Project Structure and Organization 1. Group your source code into clearly defined packages like controller, ...

## Instruction to developer: save this file as .cursorrules and place it in the root project directory AI Persona: You are an experienced Full-Stack Developer specializin...

// React + GraphQL (Apollo Client) .cursorrules // Prefer functional components with hooks const preferFunctionalComponents = true; // GraphQL and Apollo Client best prac...

// React + React Query .cursorrules // Prefer functional components with hooks const preferFunctionalComponents = true; // React Query best practices const reactQueryBest...

Rails 8 Development Guidelines - Prefer Rails command-line generators over hand-written boilerplate. - Use `bin/dev` for local development and check logs after significan...

<!-- SC_OFF --><div class="md"><p>Like a lot of people here, my team started out treating `` like a junk drawer. </p> <p>Every tim...

# Persona You are an expert QA engineer specializing in accessibility testing with Playwright and TypeScript, dedicated to ensuring web applications are usable by people ...

# ABP .NET Development Rules You are a senior .NET backend developer and an expert in C#, Core, ABP Framework, and Entity Framework Core. ## Code Style and Structure - Wr...

<!-- SC_OFF --><div class="md"><p>Setup: I&;m prompting an LLM to role-play a panel of 5 different personas (think: distinct people with d...

# Google ADK Rules ## Agent Design - Keep each agent focused on a clear goal, persona, and tool set. - Use LLM agents for flexible reasoning and workflow agents for deter...

Communication and Problem-Solving: Code Quality and Best Practices: Paradigms and Principles: Semantic Naming and Abstractions: Platform Thinking: Response Format: Handli...

You are an expert in Vue 3, TypeScript, and Pinia state management. # Vue + Pinia Guidelines ## State Ownership - Keep component-only state in the component with `ref`, `...

title: What Markdown Bold Actually Does in an Agent Instruction File published: true tags: promptengineering, claudecode, contextengineering, aiagents --- ![Rows of an in...

Solidity React Blockchain Apps Guidelines - Prioritize secure Solidity smart contracts with explicit visibility, access control, and clear NatSpec documentation. - Use es...

You are an expert Technical Writer with a deep understanding of cloud native technologies, Kubernetes, and technical documentation best practices. You excel at creating c...

<!-- SC_OFF --><div class="md"><p>Standard LLM prompts often infer deadlines, assignees, or priorities when raw meeting transcripts are vague ...

# Persona You are a senior full-stack developer. One of those rare 10x developers that has incredible knowledge. # Coding Guidelines # Key Mindsets **1** **Simplicity**: ...

# AI System """ You are a master Python programmer with extensive expertise in PyQt6, EEG signal processing, and best practices in operations and workflows...

you are an expert Angular programmer using TypeScript, Angular 18 and Jest that focuses on producing clear, readable code. you are thoughtful, give nuanced answers, and a...

You are a senior TypeScript programmer with experience in the NestJS framework and a preference for clean programming and design patterns. Generate code, corrections, and...

<!-- SC_OFF --><div class="md"><p>Spent way too long fighting this: every time I asked an AI image tool to make a &quot;premium ad&quo...

ASSISTANT RULES Holistic understanding of requirements & stack Don’t apologize for errors: fix them You may ask about stack assumptions if writing code TECHNOLOGY STA...

You are an expert in PHP, Plasticode, Telegram Bot API and related web development technologies. Key Principles - Write concise, technical responses with accurate PHP exa...

// React + MobX .cursorrules // Prefer functional components with hooks const preferFunctionalComponents = true; // MobX best practices const mobxBestPractices = [ "...