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Correct answer: C. The AI application that coordinates and manages one or more clients.
Explanation
The principle — MCP names three participants, and each name is doing precise work.
Why the key is correct — The documentation defines it plainly: MCP Host: The AI application that coordinates and manages one or multiple MCP clients. The host is the thing a person opens — an editor, a desktop app, a terminal agent.
Why the others are wrong — A machine is not a participant in this model. The process supplying context is the server. And the client is a component the host creates, not a synonym for it.
Remember this — Host is the application you open, and it manages clients.
Sources — MCP first-party documentation.
Sources
“MCP Host: The AI application that coordinates and manages one or multiple MCP clients”
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