In a move that quietly redraws the boundaries of domestic technology, Google has opened its Home platform to outside AI agents — including rivals like Anthropic's Claude and OpenAI — through adoption of the Model Context Protocol standard. Where once a single company mediated the relationship between a person and their home, now many intelligences may share that role. This is less a product announcement than a philosophical concession: that no single mind, artificial or corporate, need own the threshold of our living spaces.