Checkout.com for ChatGPT

io.github.checkout/mcp

Search Checkout.com docs and API reference, plus manage payments, refunds, and payment links.

client:ChatGPT transport:streamable-http

Install Checkout.com in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.checkout.com

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