Quackr for Claude.ai
io.quackr/quackr
Virtual phone numbers for SMS verification, OTP receipt, and number management.
client:Claude.ai
transport:streamable-http
runtime:npm
Install Quackr in Claude.ai
Settings → Connectors → Add custom connector
https://mcp.quackr.io/Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs