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mcp/harbor
Grok

Gumball for Grok

io.github.thinkmojo/gumball

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

client:Grok transport:streamable-http

Install Gumball in Grok

.mcp.json (in your project root) 

{
  "mcpServers": {
    "gumball": {
      "type": "http",
      "url": "https://app.getgumball.com/mcp"
    }
  }
}

Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs

Gumball in other clients

Gumball MCP server