Official code repo for the O'Reilly Book - "Hands-On Large Language Models". Learn the practical tools and concepts you need to use Large Language Models today!
An analysis of Claude's extensive system prompt, highlighting its components, including tool definitions, behavior instructions, and how it reflects Anthropic's development priorities. The article details changes between Claude 3.7 and 4.0, revealing a shift towards encouraging search functionality and addressing user-observed issues.