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Large Language ModelsTHE DECODERPublished: Aug 27, 2026, 19:00 JST2 min read

Anthropic's Claude Cowork gets its own in-app browser

Anthropic's Claude Cowork gets its own in-app browser

Key takeaway

  • Anthropic is building a browser into its Claude Cowork desktop app.

  • Claude can now open pages, click, and type to complete tasks.

  • The feature rolls out this week for Pro, Max, and Team plans.

3 Key Points

  1. What happened

    Anthropic is adding a browser directly into Claude Cowork, its desktop app. When a task requires a website, the browser opens in a side panel, letting Claude load pages, read them, click, and type, which enables it to fill out forms or extract numbers from dashboards, even on portals without an API.

  2. Why it matters

    This lets Claude perform more complex, real-world tasks that involve interacting with websites, rather than just processing text. The built-in browser is kept separate from the user's own browser, so Claude cannot see personal tabs, bookmarks, or passwords.

  3. What to watch

    Users can move logins from Chrome, Edge, or Firefox one page at a time, but banking and email sites are off-limits. Anthropic warns about prompt injection risks and advises sticking to trusted websites. The browser rolls out this week for Pro, Max, and Team plans, along with Enterprise customers.

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Context & Analysis

This update directly addresses a key limitation of AI assistants: their inability to interact with the web-based tools many businesses rely on daily. By giving Claude its own browser with the ability to click and type, Anthropic is enabling it to perform tasks that previously required a human to copy information back and forth. This suggests a shift toward AI agents that can complete multi-step workflows, not just generate text.

The design choice to keep the browser separate is notable. It addresses privacy concerns by preventing Claude from accessing a user's personal browsing context. However, the limitations on banking and email sites, along with the advice to stick to trusted websites due to prompt injection risks, highlight the continued challenges in safely deploying such autonomous agents. The rollout to all paid plans this week indicates Anthropic is positioning this as a core feature for its professional users.

FAQ

Can Claude see my personal browsing data with this new feature?
No, the browser in Claude Cowork stays separate from your own. Claude cannot see your tabs, bookmarks, or passwords.
How do I let Claude access sites I'm already logged into?
For pages you already have open and are signed into, the Chrome extension remains the way to go. You can move logins over one page at a time from Chrome, Edge, or Firefox.

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