Lightweight sandbox runtime that embeds into your local process to give AI agents a safe bash environment without VMs or remote infra.
bVisor is a sandbox runtime for AI agents built by Butter that embeds directly into a local process, providing a safe bash-like environment without the overhead of virtual machines or remote infrastructure. It is designed as an alternative to heavy VM-based or remote sandboxing approaches for teams building local AI agent workflows. bVisor is a product of Butter.