Every prompt, annotated

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…

The agentic 'task view' variant of Antigravity's system prompt, layering a structured PLANNING/EXECUTION/VERIFICATION mode machine on top of the base …

The consumer-facing claude.ai system prompt for Claude Sonnet 4.6 (dated March 2026). It is a large, sectioned prompt covering product info, refusal h…