Start MCP Server (STDIO mode)

npx @playwright/mcp

Start with Options

# Headless mode
npx @playwright/mcp --headless

# Specific browser
npx @playwright/mcp --browser firefox

# With viewport
npx @playwright/mcp --viewport-size 1280x720

# Ignore HTTPS errors
npx @playwright/mcp --ignore-https-errors

Common Use Cases

1. Navigate and Extract Data

# MCP tools available:
# - browser_navigate: Open URL
# - browser_click: Click element
# - browser_type: Type text
# - browser_select_option: Select dropdown
# - browser_get_text: Extract text content
# - browser_evaluate: Run JavaScript
# - browser_snapshot: Get page structure
# - browser_close: Close browser

2. Form Interaction

1. browser_navigate to form URL
2. browser_type into input fields
3. browser_click to submit
4. browser_get_text to verify result

3. Data Extraction

1. browser_navigate to page
2. browser_evaluate to run extraction script
3. Parse returned JSON data

MCP Tools Reference

Tool	Description
`browser_navigate`	Navigate to URL
`browser_click`	Click element by selector
`browser_type`	Type text into input
`browser_select_option`	Select dropdown option
`browser_get_text`	Get text content
`browser_evaluate`	Execute JavaScript
`browser_snapshot`	Get accessible page snapshot
`browser_close`	Close browser context
`browser_choose_file`	Upload file
`browser_press`	Press keyboard key

Configuration Options

# Security
--allowed-hosts example.com,api.example.com
--blocked-origins malicious.com
--ignore-https-errors

# Browser settings
--browser chromium|firefox|webkit
--headless
--viewport-size 1920x1080
--user-agent "Custom Agent"

# Timeouts
--timeout-action 10000      # Action timeout (ms)
--timeout-navigation 30000  # Navigation timeout (ms)

# Output
--output-dir ./playwright-output
--save-trace
--save-video 1280x720

Examples

Login to Website

browser_navigate: { url: "https://example.com/login" }
browser_type: { selector: "#username", text: "user" }
browser_type: { selector: "#password", text: "pass" }
browser_click: { selector: "#submit" }
browser_get_text: { selector: ".welcome-message" }

Extract Table Data

browser_navigate: { url: "https://example.com/data" }
browser_evaluate: { 
  script: "() => { return Array.from(document.querySelectorAll('table tr')).map(r => r.textContent); }" 
}

Screenshot

browser_navigate: { url: "https://example.com" }
browser_evaluate: { script: "() => { document.body.style.zoom = 1; return true; }" }
# Screenshot saved via --output-dir or returned in response

Security Notes

By default restricts file system access to workspace root
Host validation prevents navigation to untrusted domains
Sandboxing enabled by default (use --no-sandbox with caution)
Service workers blocked by default

Troubleshooting

# Update browsers
npx playwright install chromium

# Debug mode
npx @playwright/mcp --headless=false --output-mode=stdout

# Check installation
playwright-mcp --version

Start MCP Server (STDIO mode)

Start with Options

Common Use Cases

1. Navigate and Extract Data

2. Form Interaction

3. Data Extraction

MCP Tools Reference

Configuration Options

Examples

Login to Website

Extract Table Data

Screenshot

Security Notes

Troubleshooting

Links

playwright-mcp

Playwright MCP Skill

Installation

Quick Start