Unverified50% confidenceFactExact time
MCP的Client层可提供反向能力：Roots、Sampling和Elicitation，这些反向能力均为非必须项
1
Sources
50%
Confidence
Long-term
Relevance
7/13/2026
First Seen
Sources
MCP协议详解：与Function Calling、Agent的关系及实践指南
bilibili六六科技笔记7/11/2026
Related Claims
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