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MCP Gateway

Reviewed 19 July 2026 Canonical definition Part of: MCP & Agent Protocol Terms →

An MCP gateway is a centralized proxy or control layer that sits in front of MCP servers to enforce authentication, authorization, rate limiting, and policy rules on every agent tool call. It gives security and platform teams a single enforcement point across all MCP-connected agents and tools without requiring changes to each individual server.

§01 / QUESTIONSterm: MCP Gateway
Questions

Common questions.

What is MCP Gateway?

An MCP gateway is a centralized proxy or control layer that sits in front of MCP servers to enforce authentication, authorization, rate limiting, and policy rules on every agent tool call.

Why does MCP Gateway matter for AI agents?

It gives security and platform teams a single enforcement point across all MCP-connected agents and tools without requiring changes to each individual server.

Which terms are related to MCP Gateway?

Closely related concepts include MCP (Model Context Protocol), MCP Poisoning, MCP Server Registry, Model Context Protocol (MCP). Each is defined in the Prefactor glossary.

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Where this fits.

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