Specify tool schemas, write effective descriptions, and control when Claude calls your tools.
Claude can now discover, learn, and execute tools dynamically to enable agents that take action in the real world. Here’s how.
Find out how we've used insights and evaluation to refine our experimental AI-powered chatbot ahead of opening up access more widely
Claude Sonnet 4.6 is a full upgrade of the model’s skills across coding, computer use, long-reasoning, agent planning, knowledge work, and design.