Curated collection
9 handpicked prompt & skills tools with curated descriptions — free to browse, no signup. Also available as an interactive tab on the Lumina homepage.
The #1 prompt engineering guide on the web with 75K+ GitHub stars. Covers every major technique from basic prompts to advanced methods like Chain-of-Thought, Tree of Thoughts, ReAct, RAG, and AI Agents. Includes interactive courses and a comprehensive tool catalog.
Official 35K-star interactive Jupyter notebook tutorial from Anthropic. 9 chapters covering basic prompt structure, clarity, role assignment, output formatting, examples, hallucination avoidance, and complex industry prompts. Hands-on exercises with real API calls.
Official OpenAI collection of prompting guides, code recipes, and best practices. Includes the GPT-5 prompting guide, function calling patterns, RAG implementations, and production-ready examples for building with OpenAI models.
The best free library for AI image generation prompts, with millions of community-shared prompts for Midjourney, Stable Diffusion, DALL-E, and Flux. Filter by model, style, and aspect ratio. Great for visual inspiration and AI art creation.
Skills are reusable capabilities for AI agents. Install them with a single command to enhance your agents with access to procedural knowledge.
Prompts are the foundation of all generative AI. Share, discover, and collect them from the community. Free and open source — self-host with complete privacy.
SuperDesign is an open-source, AI-powered design agent for developers and UI/UX designers. It acts as a "cursor for design," allowing users to generate high-fidelity UI mockups, components, and wireframes directly from natural language prompts, often within their IDE (like VS Code or Cursor).
21st.dev is the largest React component registry for AI applications, used by 1.4M developers (200K MAU). It provides the building blocks to create AI agents and agent-powered apps: UI components, agent templates, and an SDK with built-in UI, tools, memory, observability, and managed infrastructure.
MeiGen is a free gallery of AI image and video prompts for models like GPT Image, Nano Banana, Seedance, Midjourney, and Veo. Browse, copy, and remix community-shared prompts with one click — no prompt engineering needed.