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Browserbase MCP server

by browserbase·io.github.browserbase/mcp-server-browserbase·v2.1.1·3.4k stars
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MCP server for AI web browser automation using Browserbase and Stagehand

C62/100grade C
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Safety scan
C62/100

full report

Adoption
Growing

3.4k stars

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If you have run it, two minutes of your experience saves the next person an afternoon.

Browserbase tools (12, 2 write)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • browserbase_screenshot

    Takes a screenshot of the current page. Use this tool to learn where you are on the page when controlling the browser with Stagehand. Only use this tool when the other tools are not sufficient to get the information you need.

  • browserbase_session_close

    Closes the current Browserbase session by properly shutting down the Stagehand instance, which handles browser cleanup and terminates the session recording.

  • browserbase_session_createwrite action

    Create or reuse a single cloud browser session using Browserbase with fully initialized Stagehand. WARNING: This tool is for SINGLE browser workflows only. If you need multiple browser sessions running simultaneously (parallel scraping, A/B testing, multiple accounts), use 'multi_browserbase_stagehand_session_create' instead. This creates one browser session with all configuration flags (proxies,

  • browserbase_stagehand_act

    Performs an action on a web page element. Act actions should be as atomic and

  • browserbase_stagehand_extract

    Extracts structured information and text content from the current web page based on specific instructions

  • browserbase_stagehand_get_all_urls

    Gets the current URLs of all active browser sessions. Returns a mapping of session IDs to their current URLs.

  • browserbase_stagehand_get_url

    Gets the current URL of the browser page. Returns the complete URL including protocol, domain, path, and any query parameters or fragments.

  • browserbase_stagehand_navigate

    Navigate to a URL in the browser. Only use this tool with URLs you're confident will work and stay up to date. Otherwise, use https://google.com as the starting point

  • browserbase_stagehand_observe

    Observes and identifies specific interactive elements on the current web page that can be used for subsequent actions.

  • multi_browserbase_stagehand_session_close

    Cleanup parallel session for multi-session workflows. Properly terminates a browser session, ends the Browserbase session, and frees cloud resources. Always use this when finished with a session to avoid resource waste and billing charges. Critical for responsible multi-session automation - each unclosed session continues consuming resources!

  • multi_browserbase_stagehand_session_createwrite action

    Create parallel browser session for multi-session workflows. Use this when you need multiple browser instances running simultaneously: parallel data scraping, concurrent automation, A/B testing, multiple user accounts, cross-site operations, batch processing, or any task requiring more than one browser. Creates an isolated browser session with independent cookies, authentication, and state. Always

  • multi_browserbase_stagehand_session_list

    ONLY WORKS WITH MULTI-SESSION TOOLS! Track all parallel sessions: Critical tool for multi-session management! Shows all active browser sessions with their IDs, names, ages, and Browserbase session IDs. Use this frequently to monitor your parallel automation workflows, verify sessions are running, and get session IDs for session-specific tools. Essential for debugging and resource management in com

Public scan report

scanner v0.1.10 · 2026-10-01 · same rubric, same numbers if you re-run it

1 high
  • Code scan28 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitystatic API keys via environment variables6/15
  • Maintenancerepository archived0/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year9/10

Findings (1)

  • highRepository is archivedmaint.archived
Overall 62/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

Install Browserbase in Claude Code, Cursor or VS Code

Runs npx -y @browserbasehq/mcp-server-browserbase on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add mcp-server-browserbase -- npx -y @browserbasehq/mcp-server-browserbase
Add to Cursor

What the publisher says

From the Browserbase repository's README, as published. We do not edit it. Read it on GitHub

Browserbase MCP Server

Archived

This repository is archived and no longer maintained.

It was originally published as a reference implementation and is retained for historical purposes. It should not be interpreted as representative of Browserbase's current production services or implementation.

The Model Context Protocol (MCP) is an open protocol that enables seamless integration between LLM applications and external data sources and tools. Whether you're building an AI-powered IDE, enhancing a chat interface, or creating custom AI workflows, MCP provides a standardized way to connect LLMs with the context they need.

This server provides cloud browser automation capabilities using Browserbase and Stagehand. It enables LLMs to interact with web pages, extract information, and perform automated actions.

This is a self-hostable version of the Browserbase hosted MCP server with the same tools and functionality. We recommend using the hosted version for the easiest setup.

Tools

This server exposes 6 tools that match the hosted Browserbase MCP server:

How to Setup

We currently support 2 transports for our MCP server, STDIO and SHTTP. We recommend you use SHTTP with our hosted MCP server to take advantage of the server at full capacity.

SHTTP (Hosted MCP):

Use the Browserbase hosted MCP server at https://mcp.browserbase.com/mcp. This is the easiest way to get started -- we host the server and provide the LLM costs for Gemini, the best performing model in Stagehand.

For full setup instructions, see the Browserbase MCP documentation.

If your client supports SHTTP:

{
  "mcpServers": {
    "browserbase": {
      "type": "http",
      "url": "https://mcp.browserbase.com/mcp"
    }
  }
}

If your client doesn't support SHTTP:

{
  "mcpServers": {
    "browserbase": {
      "command": "npx",
      "args": ["mcp-remote", "https://mcp.browserbase.com/mcp"]
    }
  }
}

STDIO (Self-Hosted):

You can either use our server hosted on NPM or run it completely locally by cloning this repo.

Note: If you want to use a different model you have to add --modelName to the args and provide that respective key as an arg. More info below.

To run via NPM (Recommended)

Go into your MCP Config JSON and add the Browserbase Server:

{
  "mcpServers": {
    "browserbase": {
      "command": "npx",
      "args": ["@browserbasehq/mcp"],
      "env": {
        "BROWSERBASE_API_KEY": "",
        "BROWSERBASE_PROJECT_ID": "",
        "GEMINI_API_KEY": ""
      }
    }
  }
}

That's it! Reload your MCP client and you're ready to go.

To run 100% local:

Option 1: Direct installation

git clone https://github.com/browserbase/mcp-server-browserbase.git
cd mcp-server-browserbase
npm install && npm run build

Option 2: Docker

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Browserbase: common questions

Is Browserbase MCP server safe?
With care: it is graded C, so read the findings first (62/100). Read the Browserbase safety report
How do I install Browserbase?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Browserbase need an API key?
Yes. The registry entry asks for BROWSERBASE_API_KEY, GEMINI_API_KEY.
Is Browserbase maintained?
The last commit was 85 days ago (2026-07-20). The latest release is v2.1.1.
What can I use instead of Browserbase?
Servers from other publishers that do the same job: SeleniumBase MCP server, AIHawk MCP server and Scrapeless MCP server. Compare all Browserbase alternatives.

Alternatives to Browserbase

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  • Foura
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