OPEN SOURCE · APACHE 2.0

The microVM sandbox for AI coding agents.

Run Claude Code, Codex and other agents inside an ephemeral microVM on Mac or Linux.

View on GitHub ↗

Free and open. Every component is Apache 2.0.

Built by NOFire AI

Start in your terminal

01INSTALL BRIG


02RUN YOUR AGENT

Installation guide ↗
RUNS ON
macOSApple Silicon
Linuxx86_64 · ARM

01 / ISOLATION

Why a microVM?

Coding agents install packages, execute commands and use credentials. With auto-approval, they can do this without stopping to ask.

Brig contains the agent's execution inside a microVM, with its own Linux kernel and a hardware-enforced isolation boundary.

Read the security model →

02 / COMPATIBILITY

Use your usual agent.

Curated profiles, ready to run.

Claude CodeCodexCursor GeminiGrokopencode

Or bring your own environment using OCI images.

03 / OPEN SOURCE

Apache 2.0.
Every component.

Free to use, inspect and contribute to.

The microVMM is under 20,000 lines of code, open for inspection.