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Sv Number MCP Server

Sv Number MCP Server is an MCP server that adds messaging tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Phone numbers for AI agents: order a private number, read the SMS verification code, hand it back. It has 546 GitHub stars, is released under the MIT license and runs locally with npx -y sv-number-mcp.

github.com/sv-number/mcp-server (opens in a new tab)

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Install Sv Number MCP Server

Generated from the server's MCP registry entry. Replace your-value with your own values.

Claude Desktop

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

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

Claude Code

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

Cursor

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

Project file; use ~/.cursor/mcp.json to enable it in every project.

VS Code

.vscode/mcp.json
{
  "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).

Environment variables

Variables the server reads at startup.

NameRequiredDescription
SVN_API_KEYsecretYesAPI key from the sms-verification-number.com profile page

Tools (9)

Parsed from the Tools section of the README; check the repository for the current list.

  • 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

About Sv Number MCP Server

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

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FAQ

Sv Number MCP Server FAQ

Still curious? Email info@appsgit.com.

What is Sv Number MCP Server?

Sv Number MCP Server is an MCP server that adds messaging tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Phone numbers for AI agents: order a private number, read the SMS verification code, hand it back. It has 546 GitHub stars, is released under the MIT license and runs locally with npx -y sv-number-mcp. The source code is at github.com/sv-number/mcp-server.

How do I install the Sv Number MCP Server MCP server?

Add the command npx -y sv-number-mcp to your MCP client: put it in claude_desktop_config.json for Claude Desktop, run claude mcp add for Claude Code, or add it to .cursor/mcp.json (Cursor) or .vscode/mcp.json (VS Code). The snippets on this page are ready to paste.

Is Sv Number MCP Server free?

The server is open source under the MIT license, so running it is free. It needs credentials (SVN_API_KEY) for the service it connects to, which may require a paid account.

Is Sv Number MCP Server actively maintained?

The most recent commit was on Aug 10, 2026. appsgit only lists MCP servers with a commit in the last six months and re-checks every server daily.