Agentic Application Middleware
A Smarter Google AI Edge Gallery: MCP integration, notifications, and session continuity- Google Developers Blog

A Smarter Google AI Edge Gallery: MCP integration, notifications, and session continuity- Google Developers Blog

5/19/2026 · Yishuang Pang, Jing Jin, Zichuan Wei, Alice Zheng

What this post added

The Google AI Edge Gallery now supports the Model Context Protocol (MCP) over Streamable HTTP as an experimental feature on Android (iOS coming soon). This allows for dynamic import of tool definitions and resource schemas into the on-device model's system prompt, enabling on-device reasoning and decision-making for tasks like querying Google Workspace, Google Maps, or fetching web content. A new 'Schedule Notification' skill enables proactive routines via local notifications. Persistent chat history is now supported using the LiteRT-LM backend's fast prefill capability, allowing for session resumption with preserved text, image, and audio inputs. The ability to edit the custom system prompt directly within chat settings has also been introduced.

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