Claude Chrome Extension: What It Does and How to Get It

The Claude Chrome extension, officially named Claude in Chrome, is Anthropic's browser agent that lets Claude read pages, click buttons, fill forms, and complete multi-step tasks inside Google Chrome, and as of July 2026 it is included with every paid Claude plan: Pro, Max, Team, and Enterprise. You install it free from the Chrome Web Store, sign in with your Claude account, and control what it can touch through per-site permissions and action confirmations. This guide covers availability, installation, capabilities, the safety model, honest limitations, and open-source alternatives.

What Is the Claude Chrome Extension?

The Claude Chrome extension is a sidebar agent published by Anthropic that gives Claude direct control of your browser: it can see the page you are on, navigate to URLs, click elements, type into forms, and work across multiple tabs. Anthropic announced it on August 26, 2025 as an experimental extension that lets Claude "read, click, and navigate websites alongside you."

Unlike a chat plugin that only summarizes the current page, this is a full agentic tool. You give it a goal ("find three flights under $400 and fill in my passenger details"), and it plans and executes the steps itself, asking for approval at sensitive moments. It also integrates with Claude Code and Claude Desktop, so a coding agent in your terminal can open your web app in a real Chrome tab, click through it, and read console errors.

On the Chrome Web Store, the extension is listed simply as "Claude" by Anthropic. As of July 2026 it shows 10,000,000 users, version 1.0.79, and a last-updated date of July 2, 2026.

Availability: Which Plans Include It

The Claude Chrome extension is available on every paid Claude plan as of July 2026: Pro, Max, Team, and Enterprise. It requires a paid subscription to sign in; free Claude accounts cannot use it. The rollout was gradual, and per Anthropic's release notes it moved through these phases:

One nuance on "general availability": the GA line comes from the Claude Code changelog (v2.1.198), which we covered in our Claude Code changelog breakdown. Anthropic's own product page still describes browser use as a beta feature in places, so expect some capabilities to keep changing.

Model access differs by plan. According to Anthropic's help center, Pro subscribers run the extension on Haiku 4.5 only, while Max, Team, and Enterprise subscribers can choose stronger Claude models for harder browsing tasks. If you are deciding between tiers, our Claude Pro review ($20/month) and Claude Max breakdown ($100 or $200/month) cover what each plan includes beyond the extension.

How to Install the Claude Chrome Extension

Installing the Claude Chrome extension takes about two minutes and requires Google Chrome plus a paid Claude account. The steps, per Anthropic's getting-started guide:

1. Open Google Chrome (the extension does not support other Chromium browsers or mobile).
2. Go to the Claude listing on the Chrome Web Store and click "Add to Chrome."
3. Sign in with your Claude credentials (Pro, Max, Team, or Enterprise).
4. Pin the extension via the puzzle-piece icon so the Claude sidebar is one click away.
5. Grant the requested permissions. The extension asks for broad Chrome permissions, including tabs, scripting, and debugger, because it needs them to read pages and perform clicks on your behalf.

On Team and Enterprise plans, an admin may need to enable the extension first. Admins can turn it on or off org-wide and configure site allowlists and blocklists before anyone on the team can use it.

What the Claude Chrome Extension Can Do

The Claude Chrome extension handles agentic browsing, form filling, research across tabs, scheduled recurring tasks, and browser-based testing for developers. The headline capabilities, drawn from Anthropic's product page and help center as of July 2026:

• Agentic browsing: give Claude a goal and it navigates sites, clicks buttons, and extracts data. Anthropic's own examples include managing calendars, scheduling meetings, drafting email replies, and logging activity to a CRM.
• Form filling and data entry: Claude can complete web forms, including expense reports and repetitive admin submissions, with confirmation before anything is submitted.
• Multi-tab research: it works across grouped tabs simultaneously and keeps a task running in the background while you switch tabs.
• Workflow recording and shortcuts: record yourself doing a task once and Claude learns the steps; save proven prompts as reusable shortcuts.
• Scheduled tasks: set recurring browser workflows to run daily, weekly, monthly, or annually.
• Claude Code integration: build in the terminal, then let Claude verify the change in a real browser with access to console errors, network requests, and DOM state. Our Everything Claude Code guide covers how the pieces fit together.
• Site-aware navigation: the extension ships with built-in knowledge of Slack, Google Calendar, Gmail, Google Docs, and GitHub, so it moves through those interfaces more reliably.

Safety and Permissions Model

The Claude Chrome extension uses a permission-first safety model: per-site access control, confirmation prompts before high-risk actions, hard-blocked site categories, and trained defenses against prompt injection. Anthropic built the rollout around adversarial testing, which is why the pilot phase lasted from August 2025 to December 2025.

The controls you interact with day to day:

• Site-level permissions: you grant or revoke Claude's access on a per-website basis. It cannot act on a site you have not approved.
• Action confirmations: before high-risk actions such as publishing content, making a purchase, or sharing personal data, Claude asks for explicit confirmation. An "ask before acting" mode has Claude present its full plan for approval before executing anything.
• Blocked categories: Anthropic blocks the extension entirely on financial services, adult content, and pirated-content sites.
• Admin controls: Team and Enterprise admins get org-wide toggles plus site allowlists and blocklists.

Prompt injection, where a malicious page hides instructions that hijack the agent, is the biggest structural risk for any browser agent. In Anthropic's published red-team results, deliberate injection attacks succeeded 23.6% of the time with no mitigations; the shipped defenses (classifiers that flag suspicious instruction patterns, plus system-prompt hardening) cut that to 11.2%. On browser-specific attack types such as hidden DOM elements and URL or tab-title injection, Anthropic reports the success rate dropped from 35.7% to 0%.

That 11.2% figure is worth sitting with: it is a large improvement, not a guarantee. Anthropic itself recommends starting with trusted sites, reviewing sensitive actions, and monitoring for unusual behavior.

Limitations

The Claude Chrome extension has five limitations worth knowing before you rely on it:

• Chrome only. There is no Firefox, Safari, Edge, or mobile version, and other Chromium-based browsers are not officially supported.
• Paid plans only. A free Claude account cannot sign in to the extension. If you are on the free tier, see our is Claude free breakdown for what the paid plans actually unlock.
• Pro is limited to Haiku 4.5. The $20/month plan runs the extension on Anthropic's smallest model, which handles simple tasks fine but struggles with long multi-step workflows. Model choice requires Max, Team, or Enterprise.
• Usage limits are shared with your Claude quota. Browser tasks consume the same plan limits as chat and Claude Code, and agentic browsing burns tokens fast. This is the most common complaint in Chrome Web Store reviews, where the extension holds a 2.7/5 rating across roughly 1,300 ratings as of July 2026.
• Residual injection risk. The 11.2% attack success rate in Anthropic's own testing means you should not give it free rein on untrusted sites or grant autonomous mode access to accounts that can spend money.

Alternatives: Browser Automation MCP Servers

The main alternative to the Claude Chrome extension is a browser automation MCP server, which gives any MCP-capable agent (Claude Code, OpenClaw, Cursor, and others) control of a real browser without requiring a specific Claude subscription tier. The tradeoff: MCP servers run a separate automated browser session rather than acting inside your logged-in Chrome profile, and you configure them yourself.

Playwright MCP, with more than 34,000 GitHub stars as of July 2026, is the strongest free option and the tool most developers pair with Claude Code for automated testing. We ranked the full field, including cloud-browser and scraping-focused servers, in our best browser automation MCP servers guide, and the wider ecosystem in best MCP servers in 2026.

Rule of thumb: use the Claude Chrome extension when the task needs your logged-in accounts and human oversight; use an MCP server when you want repeatable, scriptable automation inside an agent stack you control.

Related Guides

• Best Browser Automation MCP Servers in 2026
• Claude Pro: What $20/Month Actually Gets You
• Claude Max: Is the $100-$200 Plan Worth It?
• Everything Claude Code: The Complete Guide