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Anthropic Moves Cowork's Agent Sandbox From Local VM to the Cloud

This story is from 2026-10-06. It is preserved in the archive; the latest stories are on the live feed.

Felix Rieseberg of Anthropic described, as quoted by Simon Willison , a reworked architecture for Claude's Cowork agent tool. In the earlier version, model inference ran in the cloud but tool calls executed inside an Anthropic-provided VM that was shipped to the user's own computer. Rieseberg said…

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  1. 2026-10-06 05:02 · DEV Community — AI
    Anthropic Moves Cowork's Agent Sandbox From Local VM to the Cloud

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