Not so subtle plug for another sandbox provider, https://instavm.io :
Apart from the above features.
1. We support more than 32GB disk (as a shareable device, ideal for agentic memory)
2. We provide egress control
3. We provide vault for secret injection (to counter prompt injection)
4. Snapshot / forking.
5. long lived sandboxes.
Everything supported in APIs and CLI for agents.Can be used via - npx skills add instavm/skills