Open-source, sandboxed AI agents for every employee, fronted by a gateway that injects scoped credentials so the agent never holds a password.
Automation & WorkflowsSubscription
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Microsoft Execution Containers (MXC)
by Microsoft
Released
Summary
Microsoft's open-source, policy-driven sandbox SDK for running agents, model-generated code, tools and plugins with only the files and network access you grant.
Description
Microsoft Execution Containers (MXC) is a policy-driven execution layer for untrusted or dynamically generated workloads. Developers declare which files, network destinations and UI an agent, tool, plugin or model-generated script may use, and MXC picks an appropriate container to enforce that policy at runtime, independently of the agent itself.
One JSON configuration schema works across Windows, Linux and macOS, with backends including process containers, Windows Sandbox, WSL containers, Bubblewrap/LXC on Linux and Seatbelt on macOS. Modes for enforcing, learning and permissive runs produce an activity report you can turn into a policy. SDKs ship for Rust, .NET and Node (npm @microsoft/mxc-sdk). MIT licensed; version 1.0 marked general availability in October 2026.
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Covered in the Weekly
- Onei AI Weekly #11 — October 12, 2026