An open-source GitHub repository that collects system prompts, internal tool configurations, and model-related snippets for many AI products and developer tools (examples: Claude, Perplexity, Replit, VSCode Agent, NotionAI and more). It presents a large corpus (advertised 30,000+ lines) useful for prompt engineering, AI tooling research, and security awareness. The repo includes sponsorship/support info, donation addresses, and a security notice for AI startups.