Agentjail – Self Hosted Freestyle.sh
SMRTR summary
Agentjail provides a minimal Linux sandbox for safely executing untrusted code from AI agents and build systems. It uses rootless user namespaces, network isolation, filesystem restrictions, and comprehensive syscall filtering to prevent escapes. The tool includes snapshotting, live forking, and GPU passthrough capabilities while blocking common attack vectors like reading sensitive files, network exfiltration, and privilege escalation through multiple security layers.
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