Esimfly MCP Server: Install & Setup

Install Esimfly in Claude Code

Remote URL

Claude Code

claude mcp add --transport http esimfly-official-esimfly https://mcp.esimfly.net/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "esimfly-official-esimfly": {
      "url": "https://mcp.esimfly.net/mcp"
    }
  }
}

npm

Claude Code

claude mcp add esimfly-official-esimfly -e ESIMFLY_ACCESS_CODE=... -e ESIMFLY_SECRET_KEY=... -- npx -y @esimfly/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "esimfly-official-esimfly": {
      "command": "npx",
      "args": [
        "-y",
        "@esimfly/mcp"
      ],
      "env": {
        "ESIMFLY_ACCESS_CODE": "...",
        "ESIMFLY_SECRET_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Esimfly MCP server do?

eSIMfly Business API: search eSIM plans, check usage, diagnose eSIMs, optionally order (confirmed)

Is the Esimfly MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Esimfly run locally or remotely?

Local + Remote. Can run locally or be used as a hosted remote server.

How do I add Esimfly to Claude Code?

Run: claude mcp add --transport http esimfly-official-esimfly https://mcp.esimfly.net/mcp

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