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MCP is simply an API protocol, like GraphQL or gRPC.

And since everything is an API, Kong also supports MCP natively (among many other protocols, including all LLMs): https://konghq.com/blog/product-releases/securing-observing-...

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MCP implementation is trivial - I agree. But A2A will require a mesh like structure. Meaning its not just about north/south traffic. It will be about east/west traffic as agents coordinate with each other. That communication and coordination among agents will need to be robust and that's where a sidecar proxy built on top of Envoy will offer certain properties in a first-class way that Kong can't easily support today.

This was the insight behind Envoy's initial design. Handle north/south and east/west traffic equally well as a universal data plane.

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