9 rules available in the Grok directory
Custom system instructions and configuration rules that shape how the AI behaves. Copy any rule directly into your setup to customize responses, tone, expertise, and output format.
System prompt for building a customer support chatbot with the Grok API
System prompt for the xAI API to get concise, structured responses from Grok
Official system prompt for grok-4-fast (mini) model on the xAI API.
Official xAI system prompt for the "Grok Explain" / "Analyze" button feature on X (Twitter).
Official xAI system prompt for Grok 4.1 in thinking/reasoning mode (v2). Includes chain-of-thought reasoning directives.
Official xAI system prompt for Grok 4.1 in non-thinking mode with tool access. Published in the xai-org/grok-prompts repository under AGPL-3.0.
The official system prompt used for Grok 4 on grok.com and X, defining personality, capabilities, and behavioral guardrails.
The system prompt used by the @grok bot on X, defining how Grok responds when mentioned or queried on the platform.
The official Grok 3 system prompt defining DeepSearch, Think Mode capabilities, and real-time X data access behavior.