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Describe the typical agent execution loop.

When is a fixed LCEL chain preferable to an agent loop, and what is the decisive question to ask?

Which practices reflect the principle of least privilege applied to an agent's tool set?

List SWE-bench, AgentBench, GAIA, and TAU-bench: what they measure, their shared blind spots, and how to interpret agent benchmark numbers.

What LangGraph feature allows the agent loop to cycle back to an earlier node rather than terminating?

Compute the new memory footprint after swapping 768-dim embeddings for 3072-dim on a 50M-vector HNSW index.

Compare CrewAI, AutoGen, and LangGraph coordination models and their reliability tradeoffs

Match each LLM latency metric to what it measures

What's the right way to roll out a prompt change you believe is better?

How does least privilege tool scoping reduce security risk in an agent system?