Free AI Prompt Library - ChatGPT, Claude, Gemini

Prompt to Write End-to-End Tests with Playwright

Generates a complete Playwright end-to-end test suite with Page Object Model, nominal and error scenarios, fixtures and optimized configuration.

Prompt to Implement Design Patterns in TypeScript

A prompt to generate complete, typed implementations of design patterns in TypeScript, with concrete examples, tests and functional variants.

Create Async Workers and Jobs with AI

A complete prompt to design and implement async workers and jobs with queuing, retry, monitoring and deployment.

Optimize Your Prisma and Drizzle ORM Queries Like a Pro

A prompt to analyze your Prisma or Drizzle ORM queries and get concrete optimizations: N+1 elimination, targeted selection, indexes and verified SQL queries.

Claude Prompt to Create a Chatbot

Creating a high-performance chatbot with Claude is a major opportunity to automate your customer interactions, technical support, or internal processes. Thanks to its advanced natural language understanding capabilities, Claude excels at designing chatbots that can maintain contextual conversations, handle complex scenarios, and adapt to your brand's tone. Whether you want to deploy an assistant on your website, integrate a bot into Slack or WhatsApp, or create a specialized conversational agent for your business domain, a well-structured prompt is key to a truly useful chatbot. The challenge is not just generating responses, but defining coherent behavior: handling edge cases, escalating to a human when necessary, adhering to a precise knowledge scope, and maintaining an appropriate tone. The prompts presented here guide you to design a professional chatbot with Claude, from quick prototype to robust production system, covering personality, business rules, context management, and essential safeguards.

Claude Prompt for Generating JavaScript Code

Claude excels at generating JavaScript code thanks to its deep understanding of modern programming paradigms. Whether you are developing a web application, a Node.js script, or a reusable library, a well-structured prompt yields clean, performant, and maintainable code. The key lies in the precision of your request: by specifying the technical context, performance constraints, desired code style, and edge cases to handle, Claude produces code that directly integrates into your project. This guide provides optimized prompts to get the most out of Claude for JavaScript generation, from simple utility snippets to complete module architectures. You will learn how to formulate your requests to get ES2024+ code, typed when necessary, documented, and accompanied by tests. The tiered approach allows you to adapt the complexity of the prompt to your experience and project requirements, guaranteeing immediately usable results in production.

Prompt Claude for Generating Python Code

Claude, developed by Anthropic, is one of the most powerful AI assistants for generating Python code. With its deep understanding of programming paradigms, best practices, and popular libraries, Claude can produce clean, documented, and functional code in seconds. Whether you are a beginner developer looking to learn by example, or a professional wanting to speed up your workflow, knowing how to formulate an effective prompt makes all the difference between a generic snippet and production-ready code. The challenge is not simply to ask "write Python code", but to provide enough context — objective, constraints, style, error handling — so that Claude generates exactly what you need. A well-structured prompt yields code that follows PEP 8 conventions, includes type hints, handles edge cases, and integrates naturally into your existing project. In this guide, you will find an optimized main prompt as well as variants tailored to each expertise level to get the most out of Claude in your Python projects.

Prompt to Generate a GraphQL Schema and Resolvers

This prompt generates a complete GraphQL schema with types, queries, mutations, subscriptions and resolvers implemented following best practices.

Prompt to Create a Complete JWT Authentication System

A complete prompt to generate a secure JWT authentication system with token management, refresh tokens, middleware and security best practices.

Prompt to Write Professional Express and Fastify Middlewares

Generates complete Express or Fastify middlewares with error handling, TypeScript typing, unit tests and production best practices.

Prompt to Generate Realistic Database Seeds

Generates complete seed files with realistic, consistent and relationally valid data to populate your database in development.

Prompt to Implement Real-Time WebSockets

A complete prompt to design and implement a real-time WebSocket architecture with connection management, authentication, scalability and monitoring.