Multi-Agent Coding You Can Watch: Sessions That Fork, Lead and Approve Each Other's Plans
Most multi-agent setups for coding run hidden: a lead agent spawns workers you never see, and you read a summary at the end. Atlarix 15.10 and 15.11 build it from something you already use, the chat session. Sessions can fork, find each other, send each other work, change each other's mode and approve each other's plans, and every one of them is a normal session you can open, read and stop. Start…
The latest versions of Atlarix, 15.10 and 15.11, introduce multi-agent coding sessions that users can observe in real time. These sessions can split, find each other, delegate tasks, and approve plans, all while behaving like regular sessions. They can be opened, read, and stopped like any other.
Forking a conversation creates a duplicate session that retains all prior knowledge. Multiple forks result in parallel sessions with the same understanding of the task. Sessions can communicate with each other, identifying their locations (app, CLI, editor), current status (idle or working), mode, model, and pending approval plans.
A session can view other sessions using the list_sessions command, revealing details like their operational state and pending tasks. It can also read the latest completed turn from another session, including its outcome, response, and changes made. If a session approves a plan, the target session proceeds as if the user had clicked "Build." If rejected, the session must revise its approach.
The receiving session notes changes made by other sessions, such as "Plan approved by Rix. Building it." or "Mode set to Review by Rix." Approved changes take effect only once the session concludes its current turn. Since each worker is an independent session, users can access, edit, stop, or take over any of them. Workers can run concurrently on different models for efficiency – a lightweight model for initial work and a more powerful one for review.
An example demonstrates planning a feature, forking the session twice, assigning one to lead, setting models, delegating tasks, and reviewing the final results. Users can monitor any session at any time without needing to sift through logs. Atlarix introduced live sessions and fork functionality in version 15.10, while session steering and mutual observation were added in 15.11.
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