Cage lets you programmatically create isolated environments ("sandboxes"), run commands inside them, and tear them down
Harshal Khobragade@harshalvkCage lets you programmatically create isolated environments ("sandboxes"), run commands inside them, and tear them down — all through a simple REST API. Think of it as the infrastructure layer you'd use to let an AI agent safely execute code without touching your host system.
I built Cage because I wanted to actually understand how sandbox infrastructure like E2B works under the hood — not just use it, but build every layer myself: the isolation boundary, the exec/file-transfer protocol, pause and resume, the networking. What started as a learning project turned into something I kept pushing further, mostly because every layer I finished revealed a more interesting problem underneath it — Docker containers led to asking what real microVM isolation would take, which l
@harshalvk · founder
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