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The Environments screen lists the sandbox compute leases attached to your sessions. Each lease is a sandbox — an isolated environment where an agent’s tools run. For the concept, see Sandboxes.
A paused sandbox preserves its filesystem and memory and resumes on the next tool call, so an agent can pick up exactly where it left off.

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Filtering the leases

Narrow the table by session, agent, provider, or state.

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Leases table

Environments page empty state

Environments — sandbox compute attached to agent sessions (shown before any session has started).

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Lease detail

Click a row to open the detail sheet. It shows the lease metadata and an audit timeline of lifecycle events — allocate, pause, resume, release, and error — each with trace and span IDs for correlating with your observability data.

Sandboxes

What sandboxes are and how they run tools.

Stats

Fleet-wide sandbox KPIs and audit feed.