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When an agent finishes work with a visible interface, it can publish a live preview — the actual running app with its change, served from the worker’s machine for up to 12 hours. The preview renders directly inside the task description: open the task and the app is just there, interactive. No login step, no setup — being a member of the workspace is what grants access.
Task previews are an opt-in feature in its testing phase. Turn them on in Settings → General → Task previews. Tasks without a published preview show nothing.

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What you see on a task

A published preview appears as an embedded frame in the task description, with a header above it stating:
  • what build it shows — the branch and commit the agent delivered;
  • what data it contains — always seeded demo data, never real customer data — and, if the app has its own login screen, the demo credentials to use;
  • when it expires.
A small Preview chip also appears in the task’s property row showing the current state at a glance.

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Open the full preview

Select Open full preview on the frame (or the chip) to use the app in its own browser tab — best for serious click-through, and it supports everything the app can do, including real-time features. In some browsers (Safari) the inline frame cannot display and shows an Open full preview prompt instead; the full tab always works.

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Preview states — and what “best effort” means

Previews are hosted on the machine that ran the agent — often someone’s laptop. That is a deliberate trade-off: previews are instant and free, but they are best-effort: The task always shows the truth before you click — a dead preview is never presented as a working link. When the agent runs again on the same task, a new preview replaces the old one (old links stop working; the task itself is always the up-to-date address).

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Revoke a preview

Any workspace member can end a preview early: select Revoke on the frame and confirm. The link becomes unreachable within seconds, regardless of the hosting machine’s state. Turning the feature off in Settings revokes every live preview in the workspace at once.

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Security, in brief

  • Only workspace members can reach a preview — every request is checked at the network edge before it reaches the hosting machine. A bare URL pasted anywhere shows outsiders nothing.
  • Previews run a production build against seeded demo data; the header on every preview states exactly what you are looking at.
  • Preview pages are never indexed by search engines.