PRODUCTION SCENARIO
A company now runs dozens of agents built by different teams. Its security lead wants one place where every call an agent makes out to a tool is authenticated and checked against company rules before it runs.
Which part of Agent Platform does that?
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Answer: Agent Gateway, a central policy enforcement point for agent tool calls
Agent Gateway is Agent Platform's central policy enforcement point: it governs agent tool calls, manages authentication and applies security policies in one place. Agent Registry catalogs what exists so you can discover and track it, Agent Identity gives each agent a managed identity that makes access control and auditing possible but enforces no policy itself, and Agent Runtime is the runtime that deploys and scales agents.