Paddock Cards for ChatGPT
so.paddock/cards
Send birthday cards, Christmas cards and postcards, printed and mailed for you.
client:ChatGPT
transport:streamable-http
tools:13
Install Paddock Cards in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://api.paddock.so/agent-commerce/mcp
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs