An Agent Gateway is the control and mediation layer for AI agents. If an AI Gateway governs calls to models, an Agent Gateway governs something more delicate: how autonomous agents access tools and data, collaborate with each other and take actions in your systems.
From text to action
An LLM generates text; an agent acts: it books flights, updates records, calls APIs, orchestrates tasks. That ability to act raises the security and governance bar: you need to control what each agent can do, with which permissions and with what traceability.
Key capabilities
Access control to tools and MCPs: what each agent can invoke.
Identity and delegated authorization for agents.
Policies over actions: limits, approvals and allow-lists.
Orchestration and routing between agents (agent-to-agent protocols, A2A).
Guardrails over high-impact autonomous actions.
Auditing: a full record of every decision and action.
Cost and rate control per agent.
Why now
2026 is the year of putting agents into production. Without a governance layer, an agent with broad permissions is an operational and security risk. The Agent Gateway turns that autonomy into something governable and auditable.
Conclusion
The Agent Gateway is to agents what the API Gateway is to APIs: the control point where security, identity, policy and observability are enforced. It is essential to scale agentic systems with confidence.
At CloudAPPI we design governance for agentic systems, from the AI Gateway to the Agent Gateway.