Duncan Rogoff
Duncan Rogoff is a content creator and educator known for the channel Learn Claude Code. He focuses on practical applications of Anthropic’s Claude models, particularly regarding system prompt optimization and context engineering.
Key Contributions & Content
- Produced the video Anthropic Claude 5: Efficient Context Engineering and System Prompt Optimization (2026-07-30).
- Analyzed significant shifts in “context engineering” for the latest generation of Anthropic’s Claude 5 models (Opus 5, Sonnet 5, Fable 5).
- Highlighted improvements in claude-code efficiency and system prompt strategies.