We're excited to announce the launch of the Google Home Developer Model Context Protocol (MCP) Server (aka the Home Developer MCP)!

Standard LLMs often lack the latest Google Home technical documentation and specific Home API details, leading to development hallucinations and lower accuracy when coding smart home features. To solve this, the new Home Developer MCP Server acts as an authoritative, real-time knowledge backbone, bridging standard AI models with official Google Home documentation, APIs, and Matter specifications.

• Low-lift, protocol-based integration: Easily connect your favorite AI-powered development tools—such as Gemini CLI, Cursor, Claude Desktop, or custom IDE agents—without the engineering overhead of building custom APIs or managing fragile communication proxies
• Single-turn information retrieval: The server exposes a streamlined, single-turn SearchDocuments API that searches the Google Home Developer site, OpenThread, and official Matter specifications and returns full markdown documentation contents instantly, eliminating the latency of multi-turn reasoning loops
• Friction-free authentication options: To minimize "developer tax," we have implemented a hybrid authentication strategy. You can authenticate your queries using standard Google Cloud Project API Keys, or simply query without credentials for a zero-setup, “no-auth” experience.