Google opens early access to a Google Home MCP server so AI agents can control your home

Smart home control is moving out of first-party apps and into whichever AI assistant a person already talks to. On September 16, TechCrunch reported that Google is launching early access to a new MCP server for Google Home, allowing AI agents such as Claude and ChatGPT to control connected devices.

The server does more than flip switches. According to the report, agents can also review camera summaries and access smart home activity, and the interaction happens in natural language rather than through device-by-device menus inside an app.

MCP, the Model Context Protocol, is a standard way for AI assistants to connect to external tools and data sources. By shipping an MCP server for Google Home, Google effectively turns a household's devices and activity history into tools that outside assistants can call, instead of keeping that capability inside its own assistant.

The real signal is where the competition is heading. For years people controlled devices through separate apps or a vendor's voice assistant; once Claude or ChatGPT can drive those same devices, the front door becomes the assistant someone uses every day, and the hardware platform's value shifts toward device coverage, data, and the ability to actually execute actions.

For Google, this is a comparatively open posture: instead of insisting that users stay inside its own assistant, it is letting third-party assistants reach into the home. That helps Google Home keep its position as infrastructure in the contest over which assistant becomes the brain of the home.

It is worth noting that this is early access, not general availability, and the report does not give a timeline for a broader rollout. Early access phases are typically used to test permission models, reliability, and safety boundaries, especially when an outside assistant can read camera summaries.

Several things are worth watching next. Which assistants get access first, and how many device categories they cover; how permissions, logging, and audit trails are handled for privacy-sensitive capabilities such as camera summaries and activity history; and whether other smart home platforms follow with their own MCP servers, making this the standard way agents get into the home.