Gateway Lines Tariff for ChatGPT
com.gatewaylines/tariff
US import duty, HTS classification and tariff changes from the Gateway Lines tariff engine.
client:ChatGPT
transport:streamable-http
tools:3
Install Gateway Lines Tariff in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://mcp.gatewaylines.comCustom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs