Quackr MCP Server

by quackr-mcpio.quackr/quackrv1.0.3

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

0Node.jsstdioremoteofficial registry

context tax

queued

security

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cold start

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freshness

Slowing4mo ago

Install Quackr MCP server

claude mcp add quackr -e QUACKR_API_KEY='<quackr-api-key>' -- npx -y quackr-mcp

{
  "mcpServers": {
    "quackr": {
      "command": "npx",
      "args": [
        "-y",
        "quackr-mcp"
      ],
      "env": {
        "QUACKR_API_KEY": "<quackr-api-key>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "quackr": {
      "command": "npx",
      "args": [
        "-y",
        "quackr-mcp"
      ],
      "env": {
        "QUACKR_API_KEY": "<quackr-api-key>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "quackr": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "quackr-mcp"
      ],
      "env": {
        "QUACKR_API_KEY": "<quackr-api-key>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "quackr": {
      "command": "npx",
      "args": [
        "-y",
        "quackr-mcp"
      ],
      "env": {
        "QUACKR_API_KEY": "<quackr-api-key>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
QUACKR_API_KEY	yes	yes	Your Quackr API key, from your profile page at quackr.io

Remote endpoints

streamable-httphttps://mcp.quackr.io/

Freshness

Slowing — last maintenance signal 4mo ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-06-17 · 4mo ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-06-18 · 4mo ago · official registry · v1.0.3

FAQ

›How do I install the Quackr MCP server in Claude Code?

Run: claude mcp add quackr -e QUACKR_API_KEY='<quackr-api-key>' -- npx -y quackr-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Quackr require an API key?

Yes. It expects QUACKR_API_KEY, of which 1 is a secret.

›Can I use Quackr as a remote (hosted) MCP server?

Yes — it offers both a hosted endpoint and a local stdio package.

›Is Quackr in the official MCP registry?

Yes, as io.quackr/quackr.