Unverified75% confidenceFactTime unknown
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token
1
Sources
75%
Confidence
Long-term
Relevance
5/31/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedMCP's default implementation injects the schemas of all registered tools into the context at session initialization; when the number of tools reaches dozens or even hundreds, tool descriptions alone may consume thousands of tokens.84% similarVerifiedWhen connecting to multiple MCP servers simultaneously, tool descriptions alone can consume thousands or even tens of thousands of tokens.77% similarUnverifiedThe scalability problem with MCP is that the name, description, and schema of each tool must be placed in the system prompt, and 20 servers with 15 tools each would occupy most of the context window.76% similarVerifiedIn MCP, Tools are invoked at the model's discretion, Prompts are triggered by the user, and Resources are controlled by the application.76% similar
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