Gumball for Claude Code

io.github.thinkmojo/gumball

Ring a real siren light from your AI agent: spin it, play a sound, set the volume, mute it.

client:Claude Code transport:streamable-http

Install Gumball in Claude Code

run in your project directory

claude mcp add --transport http gumball https://app.getgumball.com/mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs