Iceland has no shortage of natural dangers – volcanic eruptions, glacial floods, scaldingly hot springs and bitterly cold winters. But it is at least one of the few places on Earth where humans don't ...

MCP（Model Context Protocol）的设计思路很简单：把工具们的「说明书」塞进 Claude 的 context window，然后让模型决定要不要用，怎么用。 假设你有 100 个工具，每个工具定义占 150 tokens.