CCAR-F objective 1.1 · Domain 1 · 27% of the exam
Agentic Loops
The loop has one natural stopping point: Claude keeps calling tools and feeding results back until it produces a response containing no tool calls. Anyone expecting a turn limit or a stop sequence to end it is describing a cap rather than the mechanism. A turn is a round trip and not a message, and max_turns counts only the turns that used a tool. The trap worth carrying in is ResultMessage. Its subtype says how the run ended, and the result field exists only when that subtype is success, so code reading it unconditionally breaks on exactly the caps it was meant to respect.
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The rest of domain 1: Agentic Architecture and Orchestration
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