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mcp/harbor
Grok

VIES Smoother for Grok

io.github.lucrumist/vies-smoother

SLA'd EU VAT validation on VIES. Honest 3-state result, never guesses. 100 free lookups.

client:Grok transport:streamable-http tools:2

Install VIES Smoother in Grok

.mcp.json (in your project root) 

{
  "mcpServers": {
    "vies-smoother": {
      "type": "http",
      "url": "https://vantane.com/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

VIES Smoother in other clients

VIES Smoother MCP server