Sv Number MCP Server

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

claude mcp add --env SVN_API_KEY=your-value --transport stdio sv-number-mcp-server -- npx -y sv-number-mcp

{
  "mcpServers": {
    "sv-number-mcp-server": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "sv-number-mcp"
      ],
      "env": {
        "SVN_API_KEY": "your-value"
      }
    }
  }
}

{
  "inputs": [
    {
      "type": "promptString",
      "id": "svn_api_key",
      "description": "SVN_API_KEY",
      "password": true
    }
  ],
  "servers": {
    "sv-number-mcp-server": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "sv-number-mcp"
      ],
      "env": {
        "SVN_API_KEY": "${input:svn_api_key}"
      }
    }
  }
}

Config formats checked against the official docs on Oct 7, 2026: modelcontextprotocol.io (opens in a new tab), code.claude.com (opens in a new tab), cursor.com (opens in a new tab), code.visualstudio.com (opens in a new tab).

• get_balance

  what is left on the account

• list_countries

  every country with its id and operators

• list_services

  find the code for a site: search by name or domain, best match first, price, how many are online, and the share of…

• order_number

  order a private number for one service in one country

• wait_for_code

  poll until the code lands and return it, already parsed out of the SMS

• finish_activation

  close a successful activation

• cancel_activation

  cancel and get the money back

• request_another_sms

  ask for one more code on the same number

• totp_code

  compute the authenticator code locally, by RFC 6238

Phone numbers as tools. Your agent orders a private number in the country a service expects, reads the SMS verification code straight from the API, and hands the number back. Nine tools over stdio, no SDK to learn.

• ai-agents
• claude-code
• mcp
• model-context-protocol
• otp
• phone-verification
• sms
• typescript
• claude
• cline