sv Number MCP Server: Install & Setup

Install sv Number in Claude Code

Claude Code

claude mcp add sv-number -e SVN_API_KEY=... -- npx -y sv-number-mcp

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

{
  "mcpServers": {
    "sv-number": {
      "command": "npx",
      "args": [
        "-y",
        "sv-number-mcp"
      ],
      "env": {
        "SVN_API_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the sv Number MCP server do?

Phone numbers for AI agents: order a private number, read the SMS verification code, hand it back.

Is the sv Number 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 sv Number run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add sv Number to Claude Code?

Run: claude mcp add sv-number -e SVN_API_KEY=... -- npx -y sv-number-mcp

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