gumroad for ChatGPT

io.usefulapi/gumroad

Read products, sales, subscribers and offer codes; verify, enable and disable product licenses.

client:ChatGPT transport:streamable-http

Install gumroad in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://gumroad.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