
Render Sandboxes
A computer for every agent
About Render Sandboxes
Render Sandboxes give every agent its own isolated Linux computer. Sandboxes starts in under a second and can run any agent or harness, like Claude Code or Codex. Your agent can also run your app with Docker Compose to test its changes. You decide which domains each sandbox can reach. When your agent goes idle, the sandbox suspends and compute charges stop. It wakes with files and memory intact. And you can reliably run thousands at once - all on the same platform as the rest of your app.
How Render Sandboxes did at launch
Render Sandboxes launched on Product Hunt on Nov 4, 2026, one of 40 launches Junior recorded that day. It finished #4 of the day with 217 upvotes, against a median of 73 for the day.
Among the 11 Developer Tools launches in November 2026, it got more upvotes than 91% of them (the median was 90).
Junior has 1 person on file for Render Sandboxes, 0 with an email.
The person behind Render Sandboxes
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