Guides
Start here. Each one is a short walkthrough you can follow end to end on your own machine.
Install kosa8One line in a terminal, or the Mac app. Both take about a minute.
Your first sandboxMake a sealed machine, run something inside it, and see why it is not just a container.
Save and undoCheckpoint before something risky, rewind after it goes wrong. About a second either way.
Try several ideas at onceFork a machine per idea, run them in parallel, and let kosa8 report which worked.
Run an AI assistantClaude Code, Codex, Copilot and others, each in a sealed machine that can only reach what you allow.
The Mac appA window onto every machine, container and save point — including the tree of what came from what.
Company rulesSigned policy that a laptop cannot edit its way around, and a record of every decision.
Local modelsRun AI on your own machine. Nothing sent out, nothing charged per word.
When something is wrongkosa8 doctor finds it, explains why it matters, and repairs what is safe to repair.