4,900 Stars in One Week: This Repo Went Viral by Unpacking the Hidden Instructions Behind AI Models

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Explore the GitHub repository exposing leaked system prompts from ChatGPT, Claude, Gemini, Cursor, and more—and what they reveal about AI behavior.
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A viral GitHub repository containing more than 140 leaked system prompts reveals the hidden instructions powering ChatGPT, Claude, Gemini, Cursor, and other leading AI tools. The collection shows how companies shape model behavior through internal prompts, explains why AI assistants behave so differently, and offers developers, researchers, and prompt engineers an unprecedented look inside the industry's most closely guarded playbooks.