Treat Claude like a brilliant new intern — the three principles Anthropic prioritizes
4/29/2026 3 min read Claude CodeAI-driven developmentprompt engineeringAnthropic +1
Anthropic's official prompt engineering guide distills everything down to three principles: the Golden Rule, context-window management, and always providing a way for Claude to verify its own work. Here is what those principles look like in daily practice.