Unverified50% confidenceTradeoffExact time
MCP 的扩展性问题在于每个工具的名称、描述、schema 都需放进系统提示,20个服务器每个15个工具会占用大半上下文窗口
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/22/2026
First Seen
Valid until: 10/20/2026
Sources
Related Claims
Unverified健康的MCP Server通常包含5-20个功能专一的工具,而非集成大量工具77% similarUnverifiedWhen an MCP Server initializes, it injects all tool descriptions into the context as system prompts, persistently occupying input Token quota for every request77% similarUnverifiedMCP的默认实现方式是在会话初始化时将所有已注册工具的Schema全部注入上下文,当工具数量达到数十甚至上百个时,仅工具描述就可能消耗数千Token76% similarUnverified每个MCP工具的定义描述、参数schema、使用示例等加在一起可能消耗数百乃至数千token76% similarPartially VerifiedMCP服务器会将工具定义添加到上下文窗口中,即使用户并没有在使用这些工具74% similar
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