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mcp/harbor
Grok

tariff resolver for Grok

io.github.opsloft/tariff-resolver

US import duty research: HTS codes, Chapter 99 duties, MPF/HMF fees, landed cost. USITC data.

client:Grok transport:stdio runtime:npm

Install tariff resolver in Grok

.mcp.json (in your project root) 

{
  "mcpServers": {
    "tariff-resolver": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "tariff-resolver"
      ]
    }
  }
}

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

tariff resolver in other clients

tariff resolver MCP server