System prompt for Dia, the in-browser AI assistant from The Browser Company. It defines a rich custom markup vocabulary (Simple Answers via <strong>, …
role definitioncustom markup protocolconstraint setting
The claude.ai consumer system prompt for Claude Sonnet 4.5 (dated Sept 29, 2025). Opens with classic Claude persona rules (no URL opening, step-by-ste…
System prompt for Comet, Perplexity's browser-automation assistant that drives a Chrome extension via tools like computer, read_page, get_page_text, f…
role definitiontool-use protocolinstruction hierarchy / privilege levels