"The Agent Sandbox is an open-source Kubernetes controller that provides a declarative API for managing a single, stateful pod with stable identity and persistent storage. It is particularly well suited for creating isolated environments to execute untrusted, LLM-generated code, as well as for running other stateful workloads. Running ephemeral environments helps mitigate the risks of executing untrusted code directly in a cluster, where it could potentially interfere with other applications or gain access to the underlying cluster node itself."
"The Agent Sandbox achieves isolation using gVisor to create a secure barrier between the application and the cluster node's OS, and it can also leverage other sandboxing technologies like Kata containers. The Sandbox custom resource definitions (CRD) provides stable identity, persisted storage that persists across restarts, and lifecycle management features like creation, scheduled deletion, pausing and resuming. Moreover, it supports automatically resuming a sandbox on network reconnection, memory sharing across sandboxes, and a rich API that allows developers to control sandboxes from applications or agents."
Agent Sandbox is an open-source Kubernetes controller that exposes a declarative API to manage a single, stateful pod with stable identity and persistent storage. The controller isolates workloads using gVisor and can leverage other sandboxing technologies such as Kata containers. The Sandbox CRD supplies lifecycle management features including creation, scheduled deletion, pausing, resuming, and automatic resume on network reconnection. The system supports memory sharing across sandboxes and a rich API for control from applications or agents. Templates (SandboxTemplate and SandboxClaim) simplify defining and instantiating many similar sandboxes, and a pool of pre-warmed pods reduces startup latency. The design suits executing untrusted LLM-generated code and hosting single-instance services like build agents or small databases.
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