Google has rolled out significant updates to its Managed Agents in the Gemini API, announced on July 7, 2026, to enhance developer capabilities for building production-ready AI agents. The additions include long-running background task support, remote Model Context Protocol (MCP) server integration, custom function execution, and streamlined credential management. These updates follow the debut of Managed Agents during Google I/O in May 2026, which enable developers to create isolated cloud-based Linux environments handling reasoning, code execution, and web browsing within a single API call. The Gemini Interactions API, powering these workflows, was made generally available on June 22, 2026. Key features include background task execution with new background: true functionality for asynchronous tasks, remote MCP server integration for connecting to private databases or APIs without custom middleware, custom function calling for hybrid workflows, and credential refresh during sessions to update short-lived credentials like API keys without disrupting the agent's state.