First for ChatGPT
com.thisfirst/first
Get a prenup with First: ask prenup questions, set up your account, and add assets.
client:ChatGPT
transport:streamable-http
Install First in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://mcp.thisfirst.com/mcpCustom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs