Architect A Personalized Multi-Agent System with Long-Term Memory

In support of our mission to accelerate the developer journey on Google Cloud, we built Dev Signal — a multi-agent system designed to transform raw community signals into reliable technical guidance by automating the path from discovery to expert creation. In the first part of this series for the Dev Signal , we laid the essential groundwork for this system by establishing a project environment and equipping core capabilities through the Model Context Protocol (MCP). We standardized our external