Training data =/= web search

Both ChatGPT and Claude will perform web searches when you ask them a question, which the fact that you got this confused is ironically topical.

But you're still misunderstanding the principle point because at some point these models will undoubtedly have access to that data and be trained on it.

But they didn't need to be, because LLM function & tool calling is already trained on these models and MCP does not augment this functionality in any way.

Claude gives me a lengthy explanation of MCP with web search disabled