TariffsChart
US HTS duty lookup and import-duty review with official sources and explicit unresolved layers.
Connect it
Settings → Connectors → Add custom connector
URL: https://mcp.tariffschart.com/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://mcp.tariffschart.com/mcp{
"mcpServers": {
"tariffschart": {
"url": "https://mcp.tariffschart.com/mcp"
}
}
}claude mcp add --transport http tariffschart https://mcp.tariffschart.com/mcp{
"servers": {
"tariffschart": {
"type": "http",
"url": "https://mcp.tariffschart.com/mcp"
}
}
}2 tools, verified live
lookup_hts_base_rateread-onlyLook up a fresh simple MFN general duty field from TariffsChart’s USITC HTS data. Includes source revision, date and excluded layers. Base-only: never treat this as the final import tariff. Complex or stale rates may be unavailable; use review_import_duty for quantity-based duties.
review_import_dutyread-onlyReview an import duty stack with official sources, known subtotals, missing inputs and unresolved applicability. Provide the real USD customs value and entry date. Unknowns stay unresolved; user review states are scenario assumptions. Do not infer a final duty from a known subtotal.
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