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mcp-server-browserbase

Active·★ 3.4k·Apache-2.0·Updated 2026-07-20
★ Essential

The Browserbase MCP Server provides cloud browser automation to LLMs using Browserbase and Stagehand, so a model can interact with web pages, take screenshots, extract structured data and execute JavaScript. It is powered by Stagehand v3, which the README says is 20 to 40 percent faster through automatic caching across act, extract and observe, adds targeted extraction across iframes and shadow roots, streamlined extract schemas, CSS selector support, compatibility with Playwright, Puppeteer and Patchright, and new primitives such as page, locator, frameLocator and deepLocator.

The feature table lists browser automation, data extraction, web interaction (navigate, click, fill forms), full-page and element screenshots, multiple models (OpenAI, Claude, Gemini and more), vision support with annotated screenshots, session management and advanced selectors. There are three ways to run it: a remote hosted URL through Smithery, where Browserbase covers the LLM costs for Gemini; the NPM server in STDIO or SHTTP mode, which needs BROWSERBASE_API_KEY and a model key such as GEMINI_API_KEY; or a fully local setup by cloning the repository. The code is Apache-2.0 licensed.

This write-up is based on the project's README and public repository data. We have not hand-tested the tool. Data as of 2026-10-25.

License
Apache-2.0
Latest release
v3.0.0 · 2026-03-31
Last commit
2026-07-20
Contributors
17
Forks
371
Open issues and PRs
52
First published
2024-12-05

This repository is archived and read-only.

Source: GitHub, npm and PyPI public APIs.

#Browser Automation#LLM#MCP#Web Interaction#Stagehand#Web Browsing
$ Install
$ npx @browserbasehq/mcp-server-browserbase
↗ Visit site★ GitHub
01

Features

01AI-Powered Web Automation
02Structured Data Extraction
03Multi-Model LLM Compatibility
04Enhanced Web Interaction & Navigation
05High Performance & Advanced Selectors
02

Why choose it

+Gives a model cloud browsers: navigate, click, fill forms, extract structured data, take screenshots and run JavaScript.
+Supports several models (OpenAI, Claude, Gemini and more) and vision via annotated screenshots.
+Stagehand v3 adds caching (the README claims 20 to 40 percent faster) and better handling of iframes and shadow roots.
+Remote hosted, NPM and fully local setups are all documented; Apache-2.0 licensed.
03

Trade-offs

!The GitHub repository is archived (read-only since the last push on 2026-07-20), so no further fixes are expected.
!The cloud setup needs a Browserbase account and API key (BROWSERBASE_API_KEY) plus a model key, so it is a paid-service integration rather than a standalone tool.
!The 20 to 40 percent speed gain is the project's own claim for Stagehand v3.
!The README has long configuration sections, with different options for remote, NPM and local modes.
05

Maintenance check

ArchivedChecked: 2026-10-26
Last commit
2026-07-20
Commits, last 90 days
0
Releases, last 90 days
0
Latest release
v3.0.0 (2026-03-31)
Open issues
52
Recent issues with at least one comment
7/19
Commits per week, last 12 weeks
Commits per week, last 12 weeks: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0

Oldest week on the left; the latest four weeks are orange. Source: GitHub commit activity.

Status rule: archived on GitHub = Archived; last commit within 90 days = Active; 91 to 365 days = Slowing; older = Stale. All figures come from the GitHub API on the date shown.

Most discussed open issues

  • #101 Request for Explanation: Why Are Flags Restricted to Local Server?5 comments · 2025-07-29
  • #194 MCP tool-surface audit: small surface, but action tools may benefit from clearer trigger/safety wording4 comments · 2026-06-25
  • #127 Browser Automation Platforms Comparison: Browserbase vs. Kernel vs. Alternatives4 comments · 2025-10-17
  • #104 How to see the running process on the local MCP server?4 comments · 2025-08-04
  • #41 Failed to initialize Stagehand: Cannot create proxy with a non-object as target or handler4 comments · 2025-04-02

Issue titles are quoted from GitHub. Open the link to check whether a problem still applies to the version you use.

04

Who it fits

Pick it if
  • You already use Browserbase's cloud browsers and Stagehand, and accept a repository that is read-only.
  • You want to read how an MCP server wraps Stagehand v3's act, extract and observe primitives.
Look elsewhere if
  • You need a maintained dependency: the GitHub repository is archived (last push 2026-07-20, last release v3.0.0 on 2026-03-31), so it receives no new fixes.
  • You want a local, account-free setup; the cloud mode needs BROWSERBASE_API_KEY and a model key.
  • You are starting a new project; Playwright MCP or Chrome DevTools MCP are actively released.
06

How it differs

playwright-mcp logovs playwright-mcp★ 38.7k

Playwright MCP runs locally and had five releases in the 90 days before 2026-10-15 in the data we checked. Browserbase MCP depends on a paid cloud service and its repository is archived.

Full comparison →
07

Compatibility

Gemini
Native
Verified via docs
OpenAI
Supported
Verified via docs
Claude
Supported
Verified via docs
Playwright
Supported
Verified via docs
Cursor
Supported
Verified via docs
08

Quick start

1
$ npx @browserbasehq/mcp-server-browserbase
09

Use cases

↳Building AI-powered Integrated Development Environments (IDEs)
↳Enhancing chat interfaces with real-time web context
↳Creating custom AI workflows involving web interactions
10

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On this page
01Features02Why choose it03Trade-offs05Maintenance check04Who it fits06How it differs07Compatibility08Quick start09Use cases10Alternatives
browserbase /
mcp-server-browserbase
↗

Browserbase's MCP server for cloud browser automation powered by Stagehand v3

3.4k371Apache-2.0
Last commit3mo ago
StatusActive
CategoryBrowser Automation
Contributors17
Latest releasev3.0.0
Links
Documentation↗Discussion↗Issues↗Releases↗
Cloud Infrastructure
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