Cypher eSIM MCP Server: Install & Setup

Install Cypher eSIM in Claude Code

Claude Code

claude mcp add --transport http cypher-esim https://cypheresim.com/mcp

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

{
  "mcpServers": {
    "cypher-esim": {
      "url": "https://cypheresim.com/mcp"
    }
  }
}

Frequently asked questions

What does the Cypher eSIM MCP server do?

Buy no-KYC travel eSIMs and eSIMs with a real phone number in 180+ countries, paid in crypto.

Is the Cypher eSIM 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 Cypher eSIM run locally or remotely?

Remote. Hosted by the provider. You connect with a URL, nothing to install.

How do I add Cypher eSIM to Claude Code?

Run: claude mcp add --transport http cypher-esim https://cypheresim.com/mcp

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