Prompting libraries are **structured collections of reusable, high-quality prompts** - often curated by experts or communities. They serve as excellent starting points for inspiration and refinement. - [Anthropic Prompt Library](https://docs.anthropic.com/en/prompt-library/library) - Anthropic’s official prompt library showcasing best practices for Claude models. Includes templates for summarization, classification, customer support, and more, with explanations of effectiveness. - [AIPRM](https://www.aiprm.com/) - A Chrome extension and platform offering a massive prompt library tailored for SEO, copywriting, e-commerce, and productivity. Integrated directly into ChatGPT’s UI for quick deployment. - [PromptPerfect](https://promptperfect.jina.ai/) - A tool that enhances and optimizes your prompts using AI. While not a classic library, it analyzes and improves prompts for better LLM performance. - [Prompts.Chat](https://prompts.chat/) - A straightforward prompt collection for ChatGPT, often showcasing creative, fun, and general-purpose ideas. Ideal for hobbyists, educators, and casual users. - [God of Prompt](https://www.godofprompt.ai/) - A prompt search engine and recommendation system. It aggregates prompts from various sources and uses AI to help users find the most effective ones for their goals. - [Moxby AI Prompt Library](https://moxby.com/ai-prompt-library/) - A clean, well-organized prompt library focused on business, marketing, and writing tasks. Each prompt includes a short description, tags, and model compatibility. - [The Prompt Index](https://www.thepromptindex.com/) - A searchable index of AI prompts categorized by use case, model, and popularity. Includes a leaderboard for trending prompts and a public sharing interface. - [GPTBot](https://gptbot.io/) - A prompt directory featuring categorized and tested prompts for OpenAI models. Offers simple copy-paste access with performance tags and user ratings. - [PromptPort](https://promptport.ai/) - A user-friendly prompt sharing and inspiration platform. Prompts are grouped by application area (marketing, coding, writing, etc.), with previews and a growing creator community. - [Promptimize AI](https://www.promptimizeai.com/) - Offers a collection of pre-optimized prompts for various AI tasks, along with a prompt improvement engine and analytics for performance tuning. - [ShumerPrompt](https://shumerprompt.com/) - A well-organized collection of advanced and experimental prompts, often used by professionals for tasks like research, code generation, and data manipulation. It emphasizes clarity, quality, and reproducibility. - [PromptHero](https://prompthero.com/) - A large platform focused on AI art and image generation prompts (for tools like Midjourney and Stable Diffusion), but also features a section for ChatGPT-style prompts. - [PromptBase](https://promptbase.com/) - A marketplace where users can buy and sell prompts designed for specific outcomes. Prompts are tested, rated, and available across a range of domains and LLM models. - [FlowGPT](https://flowgpt.com/) - A community-driven library with categorized prompts, trending content, and user feedback. Known for its active user base and accessible interface for discovering practical prompts. - [EQ4C](https://tools.eq4c.com/) - A blog with prompts. - [Cursor Directory](https://cursor.directory/) - The home for Cursor enthusiasts where you can explore and [generate](https://cursor.directory/generate) rules, browse [MCPs](https://cursor.directory/mcp), post and follow the latest news on the board, learn, and connect. These libraries are ideal for exploring prompt strategies, benchmarking approaches, and rapidly bootstrapping new use cases.