memberful for ChatGPT

io.usefulapi/memberful

Manage Memberful members, subscriptions, plans, passes and coupons via the GraphQL API.

client:ChatGPT transport:streamable-http

Install memberful in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://memberful.usefulapi.io/mcp

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