Managed Agent Runtime on Vertex AI
Google's 2026 updates expand managed agent capabilities with background execution, stronger orchestration controls, and cleaner production workflows. Instead of keeping your own worker fleet alive 24/7, you can delegate lifecycle management to the platform.
What's New
- Background tasks: Run long-lived agent jobs asynchronously and poll status later.
- Remote MCP: Attach external MCP endpoints over HTTP to expose tools safely.
- Operational controls: Better runtime policy boundaries for enterprise deployment.
Design Pattern
- Use a fast model (Flash tier) for routing and tool planning.
- Escalate to Pro tier for high-complexity reasoning.
- Offload deterministic actions to MCP tools (DB, search, ticketing, docs).
- Keep idempotent retries and timeout ceilings on every external call.
Production note: Treat remote MCP endpoints as privileged infrastructure. Enforce TLS, auth, request limits, and explicit allowlists for tool operations.