GHN MCP by usefulapi for ChatGPT

io.usefulapi/ghn

Quote shipping fees, track orders, and create or cancel shipping orders in GHN.

client:ChatGPT transport:streamable-http tools:9

Install GHN MCP by usefulapi in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://ghn.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