Guides: System prompts

System prompt examples by use case, from vendor docs
Copy-ready system prompts for coding, classification, grounded answers, agents and voice output, from vendor docs.

Claude prompts: Anthropic's prompting guide explained
Anthropic's prompting techniques for Claude, with its own examples and five official prompts to copy.

System prompt: what it is and how to write one
A system prompt sets the role, rules and format for a whole conversation with an AI model.
