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A community-built prompt discovery and collection project with a website, CLI, plugins, and MCP support.

An archive of system prompts, tool definitions, and model information organized by AI product.

An open learning resource covering prompting, context engineering, RAG, and AI agents.

Anthropic's official interactive course covering prompt structure, few-shot examples, tool use, and retrieval.

Microsoft's open generative AI course with 21 lessons on prompt engineering, text apps, chat, search, image generation, and agent foundations.

The example collection from the official OpenAI Cookbook, covering prompt design, structured outputs, tool use, evaluation, and production patterns.

Anthropic's official collection of Claude examples and guides for tool use, the Agent SDK, extended thinking, multimodal work, evaluation, and prompting patterns.

A web, desktop, and browser-extension tool for optimizing, testing, evaluating, and saving prompts, with self-hosting options.

A compact prompt engineering guide covering model limitations, prompt risks, and practical strategies.

A hand-curated index of prompt and context engineering resources, covering papers, tools, models, benchmarks, courses, and security material.