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CoworkOS

Tool Nov 3, 2026

A local agent harness for delegated work, shared editable artifacts and resumable jobs, with a Mac desktop and a macOS/Linux CLI.

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CoworkOS authors' architecture diagram connects a Main Agent, Coordinator Runtime and subagents with shared documents, slides, CAD and Blender resources and candidate review.
Figure 3 from the CoworkOS technical report, as displayed on its English project page. The diagram uses the Atria-Cowork Harness label and illustrates the authors' design, not an independently tested workflow. Source: CoworkOS research team
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CoworkOS separates a model’s planning and delegation decisions from runtime coordination, persistent state and feedback. A Main Agent, Coordinator Runtime and optional subagents operate on shared applications, including documents, presentations, CAD and Blender resources. Its November 2, 2026 paper describes long-running jobs and an automated post-training case study; reported performance remains the authors’ evidence.

The documented CLI supports macOS and Linux with Node.js 22.19.0 or newer. The desktop targets Apple-silicon Macs running macOS 14 or later. Users supply a compatible model endpoint, model ID and API key, with provider usage charged separately. The architecture guide describes a local, single-user harness and explicitly says its permission controls do not establish a universal operating-system sandbox.