How to connect Anchor browser to Claude Cowork

Cowork is Anthropic's AI agent for knowledge work. Think of it as Claude Code for everything else. It works autonomously with your computer, local files, and applications to accomplish complex tasks. This guide walks you through the easiest and most secure way to connect your Anchor browser account to Cowork via Composio Connect, enabling it to fetch full content of a product page, list all active browser sessions now, get details for a specific browser profile, and more such actions on your behalf without compromising your account security.

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Anchor browser

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Anchor browser is a developer platform for AI-powered web automation. It transforms complex browser actions into easy API endpoints for streamlined web interaction.

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Introduction

Cowork is Anthropic's AI agent for knowledge work. Think of it as Claude Code for everything else. It works autonomously with your computer, local files, and applications to accomplish complex tasks.

This guide walks you through the easiest and most secure way to connect your Anchor browser account to Cowork via Composio Connect, enabling it to fetch full content of a product page, list all active browser sessions now, get details for a specific browser profile, and more such actions on your behalf without compromising your account security.

Also integrate Anchor browser with

OpenAI Agents SDK Claude Agent SDK Claude Code Codex OpenClaw Hermes CLI Google ADK LangChain Vercel AI SDK Mastra AI LlamaIndex CrewAI

Connecting Anchor browser to Claude Cowork

1. Open Customize

In Claude Desktop, click Customize in the left sidebar, then select Connectors and click the + icon at the top.

Claude Desktop connectors screen with Add custom connector selected

2. Add the Composio MCP server

Click Add custom connector and paste in the Composio MCP server URL:

bash

https://connect.composio.dev/mcp

Add custom connector dialog with Composio MCP server URL

3. Authorize in your browser

Click Connect. You'll be redirected to a browser window where you can authorize Composio to continue.

Composio authorization screen for Claude Cowork

4. Connect your Anchor browser account

Back in Cowork, ask the agent to connect to Anchor browser or give it any Anchor browser-related task.

For example, ask Cowork to:

"Fetch full content of a product page"
"List all active browser sessions now"
"Get details for a specific browser profile"

It will prompt you to authenticate and authorize access.

That's it. Composio's tools are now available in Cowork, and your Anchor browser account is ready to use.

What is Claude Cowork?

Claude Cowork is Anthropic's agent for general knowledge work. It can use your computer, files, and connected applications to complete longer-running tasks across your work tools.

With Composio Connect, Cowork can securely access apps like Anchor browser through MCP without you sharing account credentials directly with the agent.

What is the Anchor browser MCP server, and what's possible with it?

The Anchor browser MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Anchor browser account. It provides structured and secure access to powerful web automation features, so your agent can fetch web content, manage browser sessions, control profiles, and interact with extensions on your behalf.

Automated webpage content retrieval: Instruct your agent to browse to any URL and fetch the fully rendered page content in HTML or markdown, enabling easy scraping or summarization.
Session and profile management: Let your agent create, list, or delete browser profiles, as well as start, end, or monitor multiple browsing sessions for different workflows or user contexts.
Browser extension control: Have the agent list all installed browser extensions, making it easy to audit and manage your browser environment programmatically.
Resource and file listing: Ask your agent to retrieve a list of files or resources uploaded during browser automation tasks, ensuring nothing gets lost in the shuffle.
Comprehensive session oversight: Quickly get an overview of all active browser sessions, their statuses, and terminate any or all sessions instantly for security or resource management needs.

TOOLS

Supported Tools

Every Anchor browser action and event your agent gets out of the box.

Click Mouse

Tool to perform a mouse click at specified coordinates within a browser session.

Copy Selected Text

Tool to copy currently selected text in a browser session to the clipboard.

Create Integration

Tool to create a new integration with a third-party service like 1Password.

Create or Update Task Draft

Tool to create or update the draft version of a task.

Create Profile

Creates a new browser profile from an active session.

Create Task

Tool to create a new task or update an existing task with the same name.

Delete Extension

Tool to delete a browser extension and remove it from storage.

Delete Integration

Tool to delete an existing integration and remove its stored credentials.

Delete Profile

Tool to delete a browser profile by ID.

Delete Task

Tool to soft delete a task and all its versions.

Delete Task Version

Tool to soft delete a specific version of a task.

Deploy Task

Tool to deploy a task by creating a new version with auto-incremented version number.

Double Click Mouse

Tool to perform a double click at specified coordinates in a browser session.

Drag and Drop

Tool to perform a drag and drop operation from start coordinates to end coordinates within a browser session.

End All Sessions

Tool to terminate all active browser sessions at once.

End Browser Session

Tool to end a specific browser session by ID.

Get Batch Session Status

Tool to retrieve detailed status information for a specific batch including progress and errors.

Get Browser Session

Tool to retrieve detailed information about a specific browser session.

Get Clipboard Content

Tool to retrieve the current content of the clipboard from a browser session.

Get Latest Task Version

Tool to retrieve the latest version of a task including the full base64 encoded code content.

Get Profile (v2)

Tool to retrieve details of a specific profile by its name.

Get Session Pages

Tool to retrieve all pages associated with a specific browser session.

Get Task Draft

Tool to retrieve the draft version of a task, including the full Base64 encoded code content.

Get Task Execution Result

Tool to retrieve a single task execution result by its ID.

Get Task Metadata

Tool to retrieve task metadata without downloading the full task code.

Get Task Version

Tool to retrieve a specific version of a task, including the full code content.

Get Webpage Content

Tool to retrieve rendered content of a webpage in HTML or Markdown format.

List Agent Resources

List all agent resources (files) uploaded to a browser session.

List Extensions

Retrieves all browser extensions uploaded by the authenticated user.

List Integrations

Tool to retrieve all integrations for the authenticated team.

List Profiles

Tool to fetch all stored browser profiles.

List Session Downloads

Tool to retrieve metadata of files downloaded during a browser session.

List Session Recordings

Tool to list all recordings for a specific browser session.

List Sessions

Tool to list all browser sessions.

List Task Executions

Tool to retrieve execution history for a specific task with filtering and pagination support.

List Tasks

Tool to retrieve a paginated list of all tasks for the authenticated team.

List Task Versions

Tool to retrieve all versions of a specific task, including draft and published versions.

Mouse Move

Tool to move the mouse cursor to specified coordinates within a browser session.

Navigate to URL

Tool to navigate a browser session to a specified URL.

Paste Text

Tool to paste text at the current cursor position in a browser session.

Pause Agent

Tool to pause the AI agent for a specific browser session.

Pause Session Recording

Tool to pause the video recording for a specific browser session.

Perform Keyboard Shortcut

Tool to perform a keyboard shortcut using specified keys in a browser session.

Perform Web Task

Tool to perform autonomous web tasks using AI agents.

Mouse Down

Tool to perform a mouse button down action at specified coordinates within a browser session.

Publish Task Version

Tool to publish a specific version of a task.

Release Mouse Button

Tool to release a mouse button at specified coordinates within a browser session.

Resume Agent

Tool to resume the AI agent for a specific browser session.

Resume Session Recording

Tool to resume video recording for a specific browser session.

Run Task

Tool to execute a task in a browser session with a specific or latest version.

Run Task by Name

Tool to execute a task by its name, always using the latest version.

Screenshot Webpage

Tool to take a screenshot of a specified webpage within a session.

Scroll Session

Tool to perform a scroll action at specified coordinates within a browser session.

Set Clipboard Content

Tool to set the content of the clipboard in a browser session.

Signal Event

Tool to signal a specific event to be received by other processes or sessions.

Start Browser Session

Tool to start a new browser session with optional customizations.

Take Screenshot

Tool to take a screenshot of the current browser session and return it as an image.

Type Text

Tool to type specified text with optional delay between keystrokes.

Update Profile

Updates an existing browser profile with data from an active session.

Update Task Metadata

Updates task metadata (name and description).

Upload Extension

Tool to upload a new browser extension as a ZIP file for use in browser sessions.

Upload File

Tool to upload a file to a browser session as an agent resource.

Upload Files to Session

Tool to upload files directly to a browser session for use with web forms and file inputs.

Wait for Event

Blocks execution until a specific named event is signaled or the timeout expires.

FRAMEWORKS

How to build Anchor browser MCP Agent with another framework

OpenAI Agents SDK

Use Anchor browser MCP with OpenAI Agents SDK

Claude Agent SDK

Use Anchor browser MCP with Claude Agent SDK

Claude Code

Use Anchor browser MCP with Claude Code

Codex

Use Anchor browser MCP with Codex

OpenClaw

Use Anchor browser MCP with OpenClaw

Hermes

Use Anchor browser MCP with Hermes

CLI

Use Anchor browser MCP with CLI

Google ADK

Use Anchor browser MCP with Google ADK

LangChain

Use Anchor browser MCP with LangChain

Vercel AI SDK

Use Anchor browser MCP with Vercel AI SDK

Mastra AI

Use Anchor browser MCP with Mastra AI

LlamaIndex

Use Anchor browser MCP with LlamaIndex

CrewAI

Use Anchor browser MCP with CrewAI

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FAQ

Frequently asked questions

With a standalone Anchor browser MCP server, the agents and LLMs can only access a fixed set of Anchor browser tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Anchor browser and many other apps based on the task at hand, all through a single MCP endpoint.

Yes, you can. Claude Cowork fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Anchor browser tools.

Yes, absolutely. You can configure which Anchor browser scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Anchor browser data and credentials are handled as safely as possible.

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Customer stories

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Karan skipped his own birthday party to fix our critical issue. It was 10pm and he diverted his Waymo to help us instead. This really sets the bar — it shows the commitment you need when users rely on your software.

Harsha Gaddipati

Co-founder, Slashy

A lot of students tell us that the moment their connected tools start talking to each other inside Opennote feels almost magical. The agent just knows them, and it's immensely helped keep new users on the platform.

Abhi Arya

Co-founder, Opennote

We chose Composio over Pipedream because it delivered depth where it mattered — niche tools and tricky edge cases other platforms simply ignored. That gave us confidence to scale without compromising.

Nirman Dave

CEO, Zams

As a solo builder, shipping fast is life or death. The only way I can outcompete incumbents is by outmanoeuvring them. Getting bogged down managing agent auth would have been a death sentence.

Ryan Yu

Founder, Extra Thursday

Before Composio, adding tool integrations was slow and resource-intensive. Each one could take weeks of engineering time, and maintaining them meant constantly keeping up with API changes.

Tomisin Jenrola

Founder & CEO, SwarmZero

With hands-on help from their founder, we integrated Gmail and Google Drive in just 30 minutes. This level of personal support and commitment is exactly what startups should strive for.

Jerome Leclanche

Co-Founder, Ingram Technologies