GroundTruth: 2026 US Tariff & Landed Cost

Connect Remote server

claude mcp add --transport http groundtruth https://winter-river-47fc.contentforge-press.workers.dev/mcp

{
  "mcpServers": {
    "groundtruth": {
      "url": "https://winter-river-47fc.contentforge-press.workers.dev/mcp"
    }
  }
}

{
  "servers": {
    "groundtruth": {
      "type": "http",
      "url": "https://winter-river-47fc.contentforge-press.workers.dev/mcp"
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://winter-river-47fc.contentforge-press.workers.dev/mcp

Tools 2 found in our last check

• list_tariff_categories

  List 2026 US tariff product categories, origin-country layers, MPF/HMF fees and notes.

• compute_tariff

  Estimate total US customs duty (all stacking layers), MPF/HMF and landed cost from a plain product description. No HTS code required. Returns official sources and as-of date.

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