Mcp Server Browserbase

Allow LLMs to control a browser with Browserbase and Stagehand

OfficialActiveNot tested◆Official RegistryUpdated 4/3/2026

★ 3.2k↓ 1.4k/wknpm

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MCPpedia
Score

1 CVE(s)Active6 toolsstdioremoteApache-2.0

How we score →

Should you use this server?

Allow LLMs to control a browser with Browserbase and Stagehand

✗

Is it safe?

1 open CVE. Verify on OSV.dev →

No authentication — any process on your machine can connect to this server.

Apache-2.0. View license →

Last scanned 0 days ago.

✓

Is it maintained?

Last commit 3 days ago. 3,222 GitHub stars. 1,418 weekly downloads.

Will it work with my client?

Transport: stdio, sse, http. Works with Claude Desktop, Cursor, Claude Code, and most MCP clients.

How much context will it use?

What if it doesn't work?

Common issues: JSON syntax errors in config, wrong Node.js version, npx cache, network or firewall blocking. Setup guide covers troubleshooting. Or check GitHub issues for known problems.

Quick Install

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

Setup guide

Tools (6)

start

Create or reuse a Browserbase session

end

Close the current Browserbase session

navigate

Navigate to a URL

act

Perform an action on the page

observe

Observe actionable elements on the page

extract

Extract data from the page

Score Breakdown

MCPpedia Score

Click each category to see evidence

91A

Scored just now

How we score →

Security

30/30

Last scanned just now

1 open vulnerability.

✗

CVEs — 1 found — 1 open, 0 fixedcheck OSV.dev \u2192

○

Authentication — None required — easy to connect

✓

License — Apache-2.0view license \u2192

✓

Repository — Activeview repo \u2192

✗

MCPpedia review — Not yet reviewed by MCPpedia

Advisories (1 open, 0 fixed)

infoMAL-2025-191195Open

Malicious code in @browserbasehq/mcp (npm)

--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (dd1d0d39e38fcabc19d825aaf056705056728c59701b5fe8cdf5863839a072b3) The package @browserbasehq/mcp was found to contain malicious code. ## Source: ghsa-malware (139a88485eddbca8b8f0775b28beb2bc230477fefa988c1b0942bdfef35f359c) Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a diffe

Affected: >= 0Published Nov 25, 2025source \u2192

CVEs checked daily via OSV.dev. Score algorithm is open source.

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Discussion

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Has anyone used this with Cursor?How do you handle auth?Any alternatives?