If the chief reason to use MCP is security, I'm sold: it's a dead letter, and we're not going to be using it a couple years from now.

Security is the chief reason in that it's the most important, since AI security is like nuclear waste. But the reason you should use it is it's a standard, and it's better to use one standard and be compatible with 10,000 apps, than have to write 10,000 custom integrations.

When I first used ChatGPT, I thought, "surely someone has written some kind of POP3 or IMAP plugin for ChatGPT so it can just connect to my mail server and download my mail." Nope; you needed to write a ChatGPT-specific integration for mail, which needed to be approved by ChatGPT, etc. Whereas if they supported any remote MCP server, I could just write an MCP server for mail, and have ChatGPT connect to it, ask it to "/search_mail_for_string" or whatever, and poof, You Have Mail(tm).