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browser-testing

Automate browser-based UI testing with Chrome DevTools MCP.

59|12|Updated Feb 26, 2026
Search Tags:#automation#mcp#e2e-testing#browser-testing#chrome-devtools#visual-regression#ui-validation
One-click install
npx skills add https://github.com/etylsarin/opencastle --skill browser-testing-etylsarin
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: browser-testing
Source: https://github.com/etylsarin/opencastle/tree/main/src/orchestrator/plugins/chrome-devtools
Command: npx skills add https://github.com/etylsarin/opencastle --skill browser-testing-etylsarin

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Chrome DevTools MCP-based browser testing automates validation of UI changes across real browsers, reducing manual QA time and surfacing regressions early.

Core Features & Use Cases

  • End-to-end browser testing with real Chrome using MCP tooling.
  • Navigate, interact, validate, and capture results (screenshots, DOM snapshots, performance data).
  • Use cases include UI regression checks, interaction validation, and debugging across web apps.

Quick Start

Install and run the OpenCastle Chrome DevTools integration to begin automated browser testing in your project.

Frequently Asked Questions about browser-testing

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I automate UI testing in real browsers using Chrome DevTools?▼

Automate UI testing in real browsers by integrating Chrome DevTools MCP to validate web app changes, which enables real browser sessions and interaction simulation to surface regressions early.

Can I run visual regression checks and interaction testing with this browser automation tool?▼

Visual regression checks and interaction testing are supported by capturing screenshots, DOM snapshots, and performance data during navigation and user interaction simulation across real browsers.

Does end-to-end browser testing require Chrome DevTools MCP integration?▼

Yes, end-to-end browser testing requires Chrome DevTools MCP integration to establish real browser sessions and access tooling for navigation, interaction simulation, and performance measurements.

What is the best way to validate UI changes across web apps without manual QA?▼

The best way to validate UI changes without manual QA is automating browser-based UI testing, which uses real Chrome sessions to capture screenshots and DOM snapshots to surface regressions early.

How do I capture screenshots and performance data during automated browser testing?▼

Capture screenshots and performance data during automated browser testing by using Chrome DevTools MCP tooling to navigate web apps, simulate interactions, and record validation results.

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