Gateway Lines Tariff for Claude Code

com.gatewaylines/tariff

US import duty, HTS classification and tariff changes from the Gateway Lines tariff engine.

client:Claude Code transport:streamable-http tools:3

Install Gateway Lines Tariff in Claude Code

run in your project directory

claude mcp add --transport http tariff https://mcp.gatewaylines.com

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs