glance

Overview

Glance is a comprehensive MCP server that extends Claude Code's capabilities with real browser automation. It provides 30 tools for browser control including navigation, clicking, screenshotting, form filling, and test automation. The server enables Claude to visually inspect web applications, interact with UI elements, and run complex test scenarios with multiple assertion types. It features security controls, session recording, and visual regression testing capabilities.

Try asking AI

After installing, here are 8 things you can ask your AI assistant:

• browser_navigate

  Navigate to a URL

  Try:Open localhost:3000Try:Go to https://example.com/login
• browser_click

  Click an element (CSS selector or text)

  Try:Click the submit buttonTry:Click on 'Sign up' link
• browser_type

  Type into an input field

  Try:Enter 'user@test.com' in email fieldTry:Type password123 into password field
• browser_screenshot

  Capture a screenshot (returned inline to Claude)

  Try:Take a full page screenshotTry:Screenshot the dashboard after login
• browser_snapshot

  Get the accessibility tree as text

  Try:Show me the page structureTry:Get all form elements as text
• browser_console_messages

  Read console logs and errors

  Try:Check for JavaScript errorsTry:Show me all console messages
• test_scenario_run

  Run a multi-step test scenario

  Try:Run the login flow testTry:Execute the checkout scenario
• test_assert

  Run a single assertion

  Try:Assert the welcome message contains 'Hello'Try:Check if the dashboard URL contains '/home'
• test_fill_form

  Auto-fill a form

  Try:Fill out the registration formTry:Complete the checkout form with test data
• session_start

  Start recording a session

  Try:Begin recording the user journeyTry:Start a session for debugging
• visual_baseline

  Save a visual baseline

  Try:Save baseline for the dashboardTry:Capture reference for header navigation
• visual_compare

  Compare against baseline

  Try:Compare current page with baselineTry:Check for visual regressions

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Installation

npm install -g glance-mcp

claude mcp add glance -- npx glance-mcp

{
  "mcpServers": {
    "glance": {
      "command": "npx",
      "args": ["glance-mcp"],
      "env": {
        "BROWSER_HEADLESS": "false"
      }
    }
  }
}

FAQ

What browsers does Glance support?

Glance uses Playwright under the hood and supports Chromium, Firefox, and WebKit. You can specify the browser channel via the BROWSER_CHANNEL environment variable.

Can Glance handle authentication flows?

Yes, Glance includes a dedicated test_auth_flow tool and can handle complex multi-step authentication processes in your test scenarios.

Is Glance secure for testing production sites?

Glance includes security profiles with different restrictions. The 'restricted' profile allows only localhost access and disables JavaScript execution, while 'local-dev' allows all HTTP/HTTPS sites.

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