BrowserStack MCP

Name: BrowserStack MCP
Author: BrowserStack

by BrowserStack

Bring BrowserStack's full testing platform to AI tools — cross-browser and device testing at scale

testing Node.js Intermediate Self-hostable Verified

⭐ 200 stars 📅 Updated: 1mo ago

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Description

Official BrowserStack MCP server that connects AI assistants to the full BrowserStack testing infrastructure. Run cross-browser tests, test on real mobile devices, capture screenshots across browser/OS combinations, and execute visual regression tests — all driven by natural language from your AI assistant. Leverages BrowserStack's cloud of real browsers and devices to validate web applications without maintaining local testing infrastructure. Perfect for teams that need comprehensive cross-browser compatibility testing integrated into their AI-powered development workflow.

✅ Best for

Teams needing AI-driven cross-browser and cross-device testing on real infrastructure

⏭️ Skip if

You only test on a single browser or prefer local testing without cloud dependencies

💡 Use cases

Running cross-browser compatibility tests on real browsers from AI assistants
Testing web applications on real mobile devices (iOS and Android) through conversational AI
Capturing and comparing screenshots across multiple browser/OS combinations
Automating visual regression testing as part of AI-driven development workflows

👍 Pros

✓ Access to BrowserStack's massive real device and browser cloud
✓ Official integration maintained by the BrowserStack team
✓ Simple npx installation with username/key authentication
✓ Eliminates need for local browser and device testing infrastructure

👎 Cons

✗ Requires paid BrowserStack account for meaningful usage
✗ Test execution depends on BrowserStack cloud availability and queue times
✗ Screenshot and visual test results may generate large payloads for AI context

🔧 Exposed tools (6 tools)

Tool	Category	Description
list_browsers	discovery	List available browsers and versions for testing
list_devices	discovery	List available real devices for mobile testing
get_test_results	reporting	Retrieve results from a completed test session
run_test	testing	Run a test on a specified browser and OS combination
capture_screenshot	visual	Capture a screenshot on a specific browser/device combination
run_visual_test	visual	Run a visual regression test comparing against baseline

⚡ Installation

Prerequisites:

• Node.js v18+
• BrowserStack username and access key
• API key required

Check Claude Code documentation to configure this MCP server.

💡 Tips & tricks

Set BROWSERSTACK_USERNAME and BROWSERSTACK_ACCESS_KEY environment variables before starting. Use list_browsers and list_devices to discover available testing targets. Combine capture_screenshot with visual testing to catch UI regressions early.

🔄 Alternatives

Playwright MCP

Browser automation for LLMs via accessibility snapshots, no vision models needed

Similar functionality

browser-use

MCP server — editorial content pending