adsmcp with URL https://mcp.adsmcp.si/mcp. Use hosted OAuth when the client offers it. If it asks for a header, set Authorization: Bearer YOUR_API_TOKEN from API Keys.
Grok does not install a separate marketplace plugin. Ask in plain language for setup, a performance review, ad copy, a wasted-spend audit, or a paused campaign. The tool order is Workflows.
The docs search server at https://docs.adsmcp.si/mcp is only for reading these pages. It is not the ad server.
First request: see the quickstart.