USTariffRates

Connect Remote server

claude mcp add --transport http tariff-mcp https://mcp.ustariffrates.com --header "X-Api-Key: <X_API_KEY>"

{
  "mcpServers": {
    "tariff-mcp": {
      "url": "https://mcp.ustariffrates.com",
      "headers": {
        "X-Api-Key": "<X_API_KEY>"
      }
    }
  }
}

{
  "servers": {
    "tariff-mcp": {
      "type": "http",
      "url": "https://mcp.ustariffrates.com",
      "headers": {
        "X-Api-Key": "<X_API_KEY>"
      }
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://mcp.ustariffrates.com

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools 12 found in our last check

• search_tariffs

  Access: API key, OAuth, or x402 payment when offered. Search current US HTS classifications by product description, code, or prefix. Optionally include origin-specific rate stacks.

• lookup_tariff

  Access: API key, OAuth, or x402 payment when offered. Look up a US HTS classification with bounded CBP CROSS ruling evidence and, when origin is supplied, its supported duty layers, warnings, coverage, and provenance.

• calculate_duty

  Access: API key, OAuth, or x402 payment when offered. Calculate supported US duty layers and fees for one import line. The response separates total import charges (duty + fees) from total landed cost (entered value + duty + fees) without estimating fact-dependent treatment. Set…

• replay_tariff

  Access: API key, OAuth, or x402 payment when offered. Compare a supported historical tariff stack with the current stack while reporting archive coverage explicitly. Entry-claim refusals retain the structured REST review decision with isError; they do not return a duty total. Un…

• compare_tariff_codes

  Access: API key required. Find edition-aware concordance candidates between China, US, EU, GB, and Brazil tariff systems. Supports historical as-of resolution, up to five targets, projections, and cursor pagination. Candidates are non-binding classification leads.

• list_tariff_changes

  Access: Pro API key or higher required. List customer-scoped tariff changes with optional workflow and classification filters.

• adcvd_cash_deposit

  Access: API key required. Current CBP cash-deposit rate for one AD/CVD case, exporter, producer and entry date, from reviewed CBP instruction histories, with the governing CBP message, its effective dates and content hash. Named exporter/producer combinations and company rates c…

• search_rulings

  Access: API key required. Search CBP CROSS rulings by an HTS code or prefix the ruling cites (4 to 10 digits) and/or words in the ruling subject, the same operation as GET /v1/rulings. Each ruling lists the HTS codes it cites, the later rulings CBP lists as modifying or revoking…

• get_ruling

  Access: API key required. One CBP CROSS ruling by number (for example N338012 or H313152), the same operation as GET /v1/rulings/{ruling_number}: its date, subject, the HTS codes it cites, the later and earlier rulings CBP lists against it, and, when extracted, the held HTS code…

• screen_import_requirements

  Access: API key required. Screen declared product and entry facts against the published import-requirement families (FDA including prior notice, CPSC, EPA, FCC, APHIS Lacey Act plant declaration, soil import permits, and plant-pest import permits, NHTSA, OFAC rough diamonds, AMS…

• assess_import_entry

  Access: API key required. Assess tariff treatments, AD/CVD cases and import requirements for one entry, the same operation as POST /v1/import-assessments, with the same answer field for field. Only the classification (hts_code, chapters 01-97), origin and entry date are required…

• audit_entry

  Access: Team or Enterprise API key required. Audit declared duty against supported rates by entry line, returning discrepancies, coverage boundaries, and provenance.

Headers

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