What is the ReAct pattern for AI agents?
ReAct combines Reasoning and Acting. The agent thinks out loud (Reason), takes an action (Act), observes the result, then repeats. Format: "Thought: I need to... Action: search(...) Observation: [results] Thought: Now I know..."
When to use this
When building agents that need to solve complex multi-step problems with tools.
When to skip this
For simple single-turn interactions without tool use.
Advanced