**Published:** May 18, 2026 | **Authors:** Allen Zhou --- You can now run Claude Managed Agents with Vercel Sandbox. Claude Managed Agents handles the model, harness, tools, and session state. Self-hosting lets you bring the execution environment, so an agent's tool calls run on your existing Vercel infrastructure with your private APIs, internal services, and customer data. Each agent session runs in its own isolated Firecracker microVM, using the same infrastructure that powers 1B+ Verc...

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