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kosa8

Secure sandboxes with an undo button for AI agents.

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Kosa8 lets you run AI agents inside secure, isolated virtual machines without risking your own computer. Give Claude Code, Codex, or other agents their own sandbox, restrict what they can access, and checkpoint the entire running environment before risky changes. If something breaks, rewind in about a second — even running processes are restored. You can also fork environments to test multiple approaches in parallel, run local AI models, and manage everything from one dashboard.

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PH · launched Oct 24, 2026 · 23 upvotes (top 3%)

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Could you build this?

Partial A dashboard and sandbox orchestration layer can be vibe-coded on top of existing sandbox providers, but true live checkpoint and rewind of a running VM with secure isolation is systems-level work.

What it would actually take: The stack would use hypervisor-based microVMs (such as Firecracker or QEMU/KVM), with live memory and disk snapshotting (CRIU-style or VM snapshots) and a control plane. The hard parts are fast consistent snapshots, security isolation, and infrastructure cost, which require systems and security engineering. A thin version can wrap existing sandbox providers instead.

Competitors

Other products that read as similar to this one : 710 launches clear the similarity bar, closest 8 shown.

Attention rank: #59 of 711 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 352 days after the earliest competitor.

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