Sandbox on Kunal Kushwahahttps://kunalkushwaha.github.io/tags/sandbox/Recent content in Sandbox on Kunal KushwahaHugoen-usTue, 11 Aug 2026 10:00:00 +0900Give the Agent a Desk, Not Your Keyshttps://kunalkushwaha.github.io/2026/08/11/give-the-agent-a-desk-not-your-keys/Tue, 11 Aug 2026 10:00:00 +0900https://kunalkushwaha.github.io/2026/08/11/give-the-agent-a-desk-not-your-keys/You would never give a new hire root on the machine holding your keys. Kagebox is an experiment in giving an autonomous agent a whole machine that is not yours: its own kernel, credentials that stay host side, a latch it cannot reach, and a spend cap. Every layer of it can fail open without saying so, and that turned out to be the lesson.