In some ways, that’s what MCP interfaces are kind of for. It just takes one extra step to add the mcp url and go through oauth.

I assume the fall off there will be 99% of users though, the way it works today.

But this theoretically allows multiple applications to plugin into ChatGPT/claude/gemini and work together.

If someone adds zillow and… vanguard, your LLM can call both through mcp and help you plan a home buy