Flub for ChatGPT

com.useflub/flub

Ask about your loyalty club: how it's doing, what you sent, and draft changes to review.

client:ChatGPT transport:streamable-http

Install Flub in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://app.useflub.com/mcp/club

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs