[medbrane]

Indeed, the article would have been correct one year ago.

Now, modern LLM APIs do require the tools to be described outside the prompt [1]. This negates the whole article, although one bit where he's right is that it does not matter if those tools are MCP tools or local, the call to LLM looks the same.

[1] https://platform.openai.com/docs/guides/function-calling?api...