Tariff Code Finder for ChatGPT

app.openkrill/tariffs

Find candidate customs tariff codes for a product and read the import duty on a code.

client:ChatGPT transport:streamable-http tools:5

Install Tariff Code Finder in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://tariffs.openkrill.app/mcp

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