Claude’s Chrome side panel is now a full Cowork session - 9to5Mac — SkimNews
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- Anthropic updated its Claude Chrome extension so the Cowork session now runs as a full sidebar inside the browser, replacing the previous limited side panel.
- Claude Cowork can pull data from the user's open browser tabs and keep working on the desktop, per Digital Trends' framing of the update.
Why it matters: Anthropic is moving Cowork out of a standalone window and into the browser itself, meaning whatever tabs a user has open become readable input for Claude. For knowledge workers this turns the assistant into a desktop-level coworker rather than a chat tool, and it broadens the surface of personal browsing data Claude can access during a session.
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