What the MCP protocol actually standardises
It settles how capabilities are described and discovered. Every decision about whether to trust them is still yours.
Jul 23, 20262 min read6

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What the Model Context Protocol actually standardises, and what it leaves to you. Hosts, clients and servers, the three primitives, transport as an ownership decision, and when a direct API is the better call.
It settles how capabilities are described and discovered. Every decision about whether to trust them is still yours.

Transport looks like a technical detail during the demo. It is really a choice about ownership, reachability and trust.

Choosing the wrong primitive hands the model authority a person was supposed to hold.
