GitHubAI Skills, Agents & MCP · System prompts
Regularly updated extractions of Anthropic, OpenAI, Google and xAI system prompts including Claude Code and Codex.
Why it’s a gem
Version-tracked, so you can diff how vendors change agent behaviour over time.
Archive of extracted system prompts from ChatGPT, Claude, Grok, Gemini, Manus, v0, Lovable and Cursor.
Collection of system prompts and full tool definitions from Augment, Claude Code, Cursor, Devin, Kiro and VSCode Agent.
Large transparency archive of system prompts across ChatGPT, Claude, Gemini, Grok, Perplexity, Cursor, Lovable and Replit.
Curated system-prompt collection framed as a builder's reference for people designing their own agents.
Curated system prompts and tool definitions harvested specifically from production AI coding agents.