If you build iOS apps with Claude Code on macOS, the simulator pane closes the loop between generated code and observed behavior — the AI agentAn AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.Full definition → can install and drive the app on a named simulated device while you watch, instead of inferring correctness from logs.
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AI agent — An AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.