[schipperai]

nah inspects Write and Edit content before it hits disk so destructive patterns like os.unlink, rm -rf, shell injection get flagged. And executing the result (./evil) classifies as unknown resolves to ask, which the LLM can choose to blocks or ask you to approve.

But yeah, a truly adversarial agent needs a sandbox. It's a different threat model - nah is meant to catch the trusted but mistake-prone coding CLI, not a hostile agent.