MCP的设计中，能否将API的声明独立出来，方便统一维护和变更。 || In the design of MCP, can the API declaration be independent to facilitate unified maintenance and change?

[restign]

设计上，能不能将API单独抽象出一层。 MCP属于其更上一层的对其进行引用，方便API进行复用和统一修改。

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In terms of design, can the API be abstracted separately? MCP belongs to its next level to reference it, which facilitates API reuse and unified modification.