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I’ve been reading about the Model Context Protocol (MCP) and how it lets LLMs interact with tools like email, file systems, and APIs. One thing I don’t fully get is the idea of moving “memory” from the LLM to MCP.

From what I understand, the LLM doesn’t need to remember API endpoints, credentials, or request formats anymore, the MCP handles all of that. But I want to understand the real advantages of this approach. Is it just shifting complexity, or are there tangible benefits in security, scalability, or maintainability?

Has anyone worked with MCP in practice or read any good articles about why it’s better to let MCP handle this “memory” instead of the LLM itself? Links, examples, or even small explanations would be super helpful.

Thanks in advance!

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Moving memory from the LLM to MCP is to intend

  • Storing frequently used data from LLM to MCP, if this is the case and it's server architecture is met agent server is using caching. In this case client must look up to MCP first then to LLM to benfit out of caching.

Aim of this method is to boost up the speed which is related to performance issue.

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