Gateway Lines Tariff for Grok
com.gatewaylines/tariff
US import duty, HTS classification and tariff changes from the Gateway Lines tariff engine.
client:Grok
transport:streamable-http
tools:3
Install Gateway Lines Tariff in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"tariff": {
"type": "http",
"url": "https://mcp.gatewaylines.com"
}
}
}Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs