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Workspaces are isolated virtual machines with your repository cloned and a coding agent ready to work. Each workspace runs the Replicas Engine, which manages agent sessions, message queues, and git operations.

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Lifecycle

Workspaces move through three states:
StateDescription
BootingVM starting, cloning repo, installing dependencies
ActiveReady for messages, agent working
SleepingPaused, no credits consumed

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What Runs Inside

Each workspace runs the Replicas Engine on port 3737, which:
  • Manages Claude Code and Codex agent sessions
  • Queues messages when agents are busy
  • Handles git operations (branch creation, commits)
  • Refreshes authentication tokens automatically
Messages sent while an agent is processing are queued and executed in order.

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Sleep and Wake

Auto-sleep: Workspaces sleep after 1 hour of inactivity. Auto-delete: Sleeping workspaces are permanently deleted after:
  • 24 hours (Hobby plan)
  • 72 hours (Developer plan)
Wake behavior: When a workspace wakes, it resumes the previous agent session and git branch. You can send messages to sleeping workspaces and they’ll wake automatically to process your message.

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Billing

Credits are consumed only while workspaces are active. See Credits for rates.