Perhaps confusingly, I’m referring to MCP as the sum of the protocol, a server adhering to the protocol, and clients adding support (e.g. “Connectors”).
The combination of these things turns into an ecosystem.
The combination of these things turns into an ecosystem.
Why?
Do you refer to REST APIs or GraphQL as a whole? There are servers "adhering to the protocol" and "clients adding support" for these.
These are literally APIs.