Gateway Lines Tariff
US import duty, HTS classification and tariff changes from the Gateway Lines tariff engine.
Connect it
Settings → Connectors → Add custom connector
URL: https://mcp.gatewaylines.comSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://mcp.gatewaylines.com{
"mcpServers": {
"tariff": {
"url": "https://mcp.gatewaylines.com"
}
}
}claude mcp add --transport http tariff https://mcp.gatewaylines.com{
"servers": {
"tariff": {
"type": "http",
"url": "https://mcp.gatewaylines.com"
}
}
}3 tools, verified live
landed_costread-onlyCalculate US import duty and landed cost estimates. Give hts_code when you know it and this returns the calculated base duty and trade actions (Section 301, Section 232, Section 338, AD/CVD and others), estimated duty, fees and import cost. When estimate_status is partial, AD/CVD is undetermined and the amounts are provisional; convey that the estimate is incomplete. Give product instead and it re
classify_htsread-onlyFind the US Harmonized Tariff Schedule classification for a product. Returns candidate HTS codes with their official descriptions and base duty rates. Use when the user wants the code itself rather than a cost.
policy_changes_sinceread-onlyList US trade policy changes Gateway has published since a given date: new tariff actions, rate changes, effective dates and expirations. Use to answer "what changed recently" or "what is coming".
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