Anthropic Adds Customer-Controlled Sandboxes and Private MCP for Claude Managed Agents

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Alongside the Fable 5 launch, Anthropic shipped enterprise agent controls: Claude Managed Agents can now execute inside a sandbox the customer controls and connect to private MCP servers, keeping both the execution environment and the services reached within enterprise boundaries. Anthropic also said Claude becomes available through Apple's Foundation Models framework on iOS/iPadOS/macOS/visionOS 27.