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mcp/harbor
Grok

GLOBALCELL eSIM for Grok

dev.globalcell/mcp

Travel eSIMs for 130+ countries: plan a trip, compare plans, buy, install and diagnose.

client:Grok transport:streamable-http tools:12

Install GLOBALCELL eSIM in Grok

.mcp.json (in your project root) 

{
  "mcpServers": {
    "mcp": {
      "type": "http",
      "url": "https://mcp.globalcell.dev"
    }
  }
}

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

GLOBALCELL eSIM in other clients

GLOBALCELL eSIM MCP server