Quackr MCP Server: Install & Setup

Install Quackr in Claude Code

Remote URL

Claude Code

claude mcp add --transport http quackr https://mcp.quackr.io/

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

{
  "mcpServers": {
    "quackr": {
      "url": "https://mcp.quackr.io/"
    }
  }
}

npm

Claude Code

claude mcp add quackr -e QUACKR_API_KEY=... -- npx -y quackr-mcp

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

{
  "mcpServers": {
    "quackr": {
      "command": "npx",
      "args": [
        "-y",
        "quackr-mcp"
      ],
      "env": {
        "QUACKR_API_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Quackr MCP server do?

Virtual phone numbers for SMS verification, OTP receipt, and number management.

Is the Quackr 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 Quackr run locally or remotely?

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

How do I add Quackr to Claude Code?

Run: claude mcp add --transport http quackr https://mcp.quackr.io/

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