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mcp/harbor
Grok

mcp for Grok

io.github.ar-agents/mcp

Argentine business automation: Mercado Pago, AFIP/ARCA, WhatsApp, banking, shipping (7 packages).

client:Grok transport:stdio runtime:npm

Install mcp in Grok

.mcp.json (in your project root)

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@ar-agents/mcp"
      ],
      "env": {
        "MP_ACCESS_TOKEN": "<MP_ACCESS_TOKEN>",
        "AFIP_CERT_PEM": "<AFIP_CERT_PEM>",
        "AFIP_KEY_PEM": "<AFIP_KEY_PEM>",
        "AFIP_CUIT": "<AFIP_CUIT>",
        "WHATSAPP_ACCESS_TOKEN": "<WHATSAPP_ACCESS_TOKEN>",
        "WHATSAPP_PHONE_NUMBER_ID": "<WHATSAPP_PHONE_NUMBER_ID>"
      }
    }
  }
}

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

mcp in other clients

mcp MCP server