How to Use Playwright MCP with Claude Code

What is the Playwright MCP?

The Playwright MCP embeds a full Chromium browser inside Claude Code's tool ecosystem. Claude can navigate URLs, click elements, fill forms, take screenshots, extract DOM content, and run JavaScript — making it a powerful agent for UI testing, visual regression checks, and web data extraction.

Installation

mcpizy install playwright

Playwright's browser binaries are downloaded automatically on first use. No additional configuration is needed for basic usage; headless mode is on by default.

Key Capabilities

• Navigate and screenshot — visit any URL and capture a full-page screenshot for visual review.
• Click and fill forms — interact with any web UI as if you were a real user.
• Extract DOM content — take an accessibility snapshot or evaluate JavaScript to read page data.
• Run browser tests — execute Playwright test files and capture pass/fail status with error details.
• Handle dialogs and file uploads — automate complex multi-step browser flows.

Example Usage

Test your login flow after a refactor:

// Claude will:
// 1. Navigate to http://localhost:3000/login
// 2. Fill in test credentials
// 3. Click the submit button
// 4. Assert the dashboard URL is loaded
// 5. Take a screenshot as evidence

Tips and Best Practices

• Use accessibility snapshots rather than screenshot OCR for structured data extraction — it is faster and more reliable.
• Set a realistic viewport with browser_resize before taking screenshots to match your target device.
• Combine with Firecrawl MCP for large-scale web scraping; use Playwright for JavaScript-heavy single-page apps.
• Always clean up open pages with browser_close after automation tasks to avoid memory leaks.

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