Customs Tariff Lookup (UK Trade Tariff + US HTS) for ChatGPT

io.github.pcp183/hs-tariff

UK Trade Tariff and US HTS duty rates by HS code or keyword, with UK preferences. x402.

client:ChatGPT transport:streamable-http tools:1

Install Customs Tariff Lookup (UK Trade Tariff + US HTS) in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://hs-tariff-production.up.railway.app/mcp

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