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mcp/harbor
Grok

Plain Freight for Grok

com.plainfreight/quotes

All-in DDP quotes for China to USA shipments, 100 g to 2,000 kg, from a live rate card

client:Grok transport:streamable-http tools:3

Install Plain Freight in Grok

.mcp.json (in your project root) 

{
  "mcpServers": {
    "quotes": {
      "type": "http",
      "url": "https://plainfreight.com/api/mcp"
    }
  }
}

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

What Grok can do once it is connected

Plain Freight in other clients

Plain Freight MCP server