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agent gateway
also AI agent gateway or agentic gateway
Definition of agent gateway
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: an infrastructure layer placed between AI agents and the models, tools, APIs, data, or other agents they use, providing a central point for routing, authentication, authorization, policy enforcement, logging, and cost controls
- The agent gateway injected a short-lived credential only after checking that the purchasing agent was allowed to call the payment tool.
- Every MCP request passed through the gateway so the company could enforce rate limits and retain an audit trail.
Origin & history
Agent gateway emerged as an enterprise infrastructure category in the mid-2020s as organizations deployed many tool-using agents and needed a governed layer for agent-to-tool and agent-to-agent traffic. By 2026, platform vendors, gateway providers, and open-source projects were using the term in technical documentation and product architecture.
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Cite this entry
"Agent gateway." AI Dictionary, Dadgogo, https://dadgogo.com/dictionary/agent-gateway/. Accessed 8 Oct. 2026.