Which integrations are available for this server?

Provides tools for creating, executing, and validating TestCafe tests, as well as agentic browser control with persistent sessions and snapshot-based interactions.

How do I use TestCafe MCP Server?

1. Click on "Install Server". 2. Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state. 3. In the chat, type @ followed by the MCP server name and your instructions, e.g., "@TestCafe MCP Server Create a TestCafe test to log in to the admin panel" That's it! The server will respond to your query, and you can continue using it as needed. Here is a step-by-step guide with screenshots.

TestCafe MCP Server

by rkdfx

Overview Schema Related Servers Score Discussions

TypeScript

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TestCafe MCP Server

GitHub stars Visitors

A comprehensive Model Context Protocol (MCP) server that bridges AI assistants with TestCafe testing capabilities, enabling AI-driven browser automation and test creation. Provides 17 MCP tools including agentic browser control with the snapshot → ref → act pattern.

🚀 Features

Core Capabilities

Test Creation: Generate TestCafe tests from structured input or natural language descriptions
Test Execution: Run tests with real browser automation and comprehensive reporting
Test Validation: Validate test code syntax, structure, and best practices
Browser Interaction: Perform real-time browser interactions with live feedback
Page Inspection: Analyze web pages, discover elements, and suggest optimal selectors

Agentic Browser Control

Persistent Browser Session: One headless browser stays open across tool calls — no re-launching per action
Snapshot → Ref → Act Pattern: Get an accessibility tree with element refs, then click/type/interact by ref
7 Granular Tools: browser_navigate, browser_snapshot, browser_click, browser_type, browser_press_key, browser_evaluate, browser_take_screenshot

Advanced Features

Real Browser Integration: Execute actions in actual browser instances
Screenshot & Video Recording: Capture test execution with visual artifacts
Live Element Discovery: Inspect pages in real-time to find interactive elements
Intelligent Selector Suggestions: AI-powered selector recommendations
Comprehensive Error Reporting: Detailed error analysis and troubleshooting

📦 Installation

Prerequisites

Node.js >= 18.0.0
npm or yarn package manager

Quick Start

# Clone and install
git clone <repository-url>
cd testcafe-mcp-server
npm install

# Build the project
npm run build

# Start the server
npm start

Development Setup

# Install dependencies
npm install

# Run in development mode
npm run dev

# Run tests
npm test

# Run tests in watch mode
npm test:watch

# Lint code
npm run lint
npm run lint:fix

🔧 Configuration

MCP Client Configuration

Claude Desktop Configuration

Add to your Claude Desktop configuration (~/Library/Application Support/Claude/claude_desktop_config.json on macOS):

{
  "mcpServers": {
    "testcafe": {
      "command": "node",
      "args": ["./dist/index.js"],
      "cwd": "/path/to/testcafe-mcp-server"
    }
  }
}

Continue.dev Configuration

Add to your Continue configuration (.continue/config.json):

{
  "mcpServers": [
    {
      "name": "testcafe",
      "serverPath": "/path/to/testcafe-mcp-server/dist/index.js"
    }
  ]
}

Generic MCP Client Configuration

For other MCP clients, use the standard MCP server configuration format:

{
  "servers": {
    "testcafe": {
      "command": "node",
      "args": ["./dist/index.js"],
      "cwd": "/path/to/testcafe-mcp-server",
      "env": {
        "NODE_ENV": "production",
        "DEBUG": "testcafe:*"
      }
    }
  }
}

Server Configuration

The server accepts configuration through environment variables or a config file:

// config.json
{
  "server": {
    "name": "testcafe-mcp-server",
    "version": "1.0.0",
    "debug": false
  },
  "testcafe": {
    "browsers": [
      {
        "name": "chrome",
        "headless": true,
        "args": ["--no-sandbox", "--disable-dev-shm-usage"]
      }
    ],
    "timeout": 30000,
    "speed": 1,
    "concurrency": 1,
    "quarantineMode": false,
    "skipJsErrors": true,
    "skipUncaughtErrors": true,
    "stopOnFirstFail": false
  }
}

🛠 MCP Tools

1. create_test

Create TestCafe test files from structured input.

Input Schema:

{
  testStructure: {
    fixture: string;
    url?: string;
    tests: Array<{
      name: string;
      actions: Array<{
        type: 'navigate' | 'click' | 'type' | 'wait' | 'assert';
        selector?: string;
        value?: string;
        timeout?: number;
      }>;
    }>;
  };
  outputPath?: string;
  validate?: boolean;
}

Example Usage:

// Create a login test
{
  "testStructure": {
    "fixture": "User Login",
    "url": "https://example.com/login",
    "tests": [{
      "name": "should login successfully",
      "actions": [
        { "type": "type", "selector": "#username", "value": "testuser" },
        { "type": "type", "selector": "#password", "value": "password123" },
        { "type": "click", "selector": "#login-btn" },
        { "type": "assert", "selector": ".welcome-message" }
      ]
    }]
  },
  "outputPath": "./tests/login.test.js",
  "validate": true
}

2. execute_test

Execute TestCafe tests with comprehensive options.

Input Schema:

{
  testPath?: string;
  testCode?: string;
  browsers?: string[];
  reporter?: 'spec' | 'json' | 'minimal' | 'xunit' | 'list';
  screenshots?: boolean;
  screenshotPath?: string;
  video?: boolean;
  videoPath?: string;
  concurrency?: number;
  speed?: number;
  timeout?: number;
  quarantine?: boolean;
  stopOnFirstFail?: boolean;
  filter?: {
    test?: string;
    fixture?: string;
    testGrep?: string;
    fixtureGrep?: string;
  };
}

Example Usage:

// Execute test with screenshots
{
  "testPath": "./tests/login.test.js",
  "browsers": ["chrome:headless", "firefox:headless"],
  "screenshots": true,
  "screenshotPath": "./screenshots",
  "reporter": "spec",
  "concurrency": 2
}

3. validate_test

Validate TestCafe test code and structure.

Input Schema:

{
  source: {
    type: 'file' | 'code' | 'structure';
    content: string | TestStructure;
  };
  validationLevel?: 'basic' | 'comprehensive' | 'strict';
  checkBestPractices?: boolean;
}

4. interact

Perform browser interactions with real-time execution.

Input Schema:

{
  actions: Array<{
    type: 'click' | 'type' | 'navigate' | 'wait' | 'assert';
    selector?: string;
    text?: string;
    url?: string;
    // ... action-specific options
  }>;
  generateTest?: boolean;
  executeLive?: boolean;
  browser?: string;
  url?: string;
  screenshots?: boolean;
}

Example Usage:

// Perform live browser interactions
{
  "actions": [
    { "type": "navigate", "url": "https://example.com" },
    { "type": "click", "selector": "#menu-button" },
    { "type": "type", "selector": "#search-input", "text": "TestCafe" },
    { "type": "click", "selector": "#search-submit" }
  ],
  "executeLive": true,
  "browser": "chrome",
  "screenshots": true,
  "generateTest": true,
  "outputPath": "./generated-test.js"
}

5. inspect_page

Analyze web pages and discover elements.

Input Schema:

{
  operation: 'analyze' | 'discover' | 'suggest-selectors' | 'generate-code';
  target: {
    type: 'url' | 'current-page' | 'element' | 'element-info';
    url?: string;
    selector?: string;
    elementInfo?: ElementInfo;
  };
  options?: {
    includeHidden?: boolean;
    includeText?: boolean;
    includeAttributes?: boolean;
  };
  executeLive?: boolean;
  browser?: string;
  screenshots?: boolean;
}

6–10. Utility Tools

Tool	Description
`get_console_logs`	Capture browser console logs (errors, warnings, info, debug)
`get_accessibility_snapshot`	Return the accessibility tree of a web page
`browser_tabs`	List, create, close, or switch browser tabs
`get_network_logs`	Capture network requests and responses for debugging
`handle_dialogs`	Capture and handle native browser dialogs (alert, confirm, prompt)

Agentic Browser Control (11–17)

These tools provide a persistent browser session with the snapshot → ref → act pattern — the same approach used by Playwright MCP. One headless browser stays open across all tool calls, enabling multi-step agentic workflows.

How it works:

browser_navigate — open a URL in the persistent browser
browser_snapshot — get an accessibility tree with ref IDs on interactive elements
browser_click / browser_type / browser_press_key — act on elements using their ref
browser_evaluate — run arbitrary JavaScript in the browser
browser_take_screenshot — capture a PNG/JPEG screenshot

browser_navigate

Navigate to a URL in the persistent browser session.

{ "url": "https://example.com" }

browser_snapshot

Capture an accessibility snapshot of the current page. Returns a formatted text tree with ref IDs on interactive elements. Use these refs with other browser_* tools.

{}

Example output:

Page: Example (https://example.com)

- banner
  - navigation "Main"
    - link "Home" [ref=e1]
    - link "About" [ref=e2]
- main
  - heading "Welcome" [level=1] [ref=e3]
  - searchbox "Search" [ref=e4]
  - button "Go" [ref=e5]

browser_click

Click an element by its snapshot ref.

{ "ref": "e5", "element": "Go button" }

browser_type

Type text into an element by its snapshot ref.

{ "ref": "e4", "text": "search query", "submit": true }

browser_press_key

Press a keyboard key (e.g. enter, tab, escape, backspace).

{ "key": "enter" }

browser_evaluate

Evaluate a JavaScript expression in the browser context.

{ "function": "document.title" }

browser_take_screenshot

Take a screenshot of the current page. Returns the image as base64.

{ "type": "png", "fullPage": false }

Agentic Workflow Example

// Step 1: Navigate
await mcpClient.callTool('browser_navigate', { url: 'https://en.wikipedia.org' });

// Step 2: Get page snapshot with element refs
const snapshot = await mcpClient.callTool('browser_snapshot', {});
// Returns tree with refs like: searchbox "Search Wikipedia" [ref=e5]

// Step 3: Type into the search box using its ref
await mcpClient.callTool('browser_type', {
  ref: 'e5', text: 'TestCafe', submit: true
});

// Step 4: Take a new snapshot of the results page
const results = await mcpClient.callTool('browser_snapshot', {});

// Step 5: Click a result link
await mcpClient.callTool('browser_click', { ref: 'e12' });

// Step 6: Get the page title
const title = await mcpClient.callTool('browser_evaluate', {
  function: 'document.title'
});

📚 Examples

Quick Start Examples

1. AI-Assisted Test Creation

// Ask AI: "Create a test for the login form on example.com"
// The AI will use these MCP tools automatically:

// Step 1: Inspect the page structure
const pageAnalysis = await mcpClient.callTool('inspect_page', {
  operation: 'analyze',
  target: { type: 'url', url: 'https://example.com/login' },
  executeLive: true,
  browser: 'chrome:headless'
});

// Step 2: Create test based on discovered elements
const testResult = await mcpClient.callTool('create_test', {
  testStructure: {
    fixture: 'Login Flow Tests',
    url: 'https://example.com/login',
    tests: [{
      name: 'should login with valid credentials',
      actions: [
        { type: 'type', selector: '#username', value: 'testuser' },
        { type: 'type', selector: '#password', value: 'password123' },
        { type: 'click', selector: '#login-button' },
        { type: 'wait', condition: 'element', value: '.dashboard' },
        { type: 'assert', selector: '.welcome-message' }
      ]
    }]
  },
  outputPath: './tests/login.test.js',
  validate: true
});

// Step 3: Execute the test with comprehensive reporting
const executionResult = await mcpClient.callTool('execute_test', {
  testPath: './tests/login.test.js',
  browsers: ['chrome:headless', 'firefox:headless'],
  screenshots: true,
  screenshotPath: './test-screenshots',
  video: true,
  videoPath: './test-videos',
  reporter: 'spec'
});

2. Interactive Test Development

// Ask AI: "Help me explore this website and create tests interactively"

// Live browser interaction with test generation
const interactionResult = await mcpClient.callTool('interact', {
  actions: [
    { type: 'navigate', url: 'https://example.com/shop' },
    { type: 'type', selector: '#search', text: 'laptop' },
    { type: 'click', selector: '#search-btn' },
    { type: 'wait', condition: 'element', value: '.search-results' },
    { type: 'click', selector: '.product:first-child' },
    { type: 'click', selector: '#add-to-cart' },
    { type: 'assert', selector: '.cart-notification' }
  ],
  executeLive: true,
  browser: 'chrome',
  screenshots: true,
  generateTest: true,
  testName: 'Product Search and Add to Cart',
  outputPath: './tests/shopping.test.js'
});

3. Page Analysis and Element Discovery

// Ask AI: "Analyze this page and suggest the best selectors for testing"

// Comprehensive page analysis
const pageAnalysis = await mcpClient.callTool('inspect_page', {
  operation: 'analyze',
  target: { type: 'url', url: 'https://example.com/form' },
  executeLive: true,
  options: {
    includeHidden: false,
    includeText: true,
    includeAttributes: true,
    filterByTag: ['form', 'input', 'button', 'select']
  }
});

// Get selector suggestions for specific elements
const selectorSuggestions = await mcpClient.callTool('inspect_page', {
  operation: 'suggest-selectors',
  target: {
    type: 'element-info',
    elementInfo: {
      tagName: 'BUTTON',
      id: 'submit-btn',
      className: 'btn btn-primary',
      text: 'Submit Form',
      attributes: { 'data-testid': 'submit-button' }
    }
  }
});

Real-World Use Cases

E-commerce Testing Suite

// Complete e-commerce testing workflow
const ecommerceTests = await mcpClient.callTool('create_test', {
  testStructure: {
    fixture: 'E-commerce User Journey',
    url: 'https://shop.example.com',
    beforeEach: [
      { type: 'navigate', value: 'https://shop.example.com' }
    ],
    tests: [
      {
        name: 'User can search and filter products',
        actions: [
          { type: 'type', selector: '#search-input', value: 'wireless headphones' },
          { type: 'click', selector: '#search-button' },
          { type: 'wait', condition: 'element', value: '.search-results' },
          { type: 'click', selector: '#filter-brand-sony' },
          { type: 'wait', condition: 'element', value: '.filtered-results' },
          { type: 'assert', selector: '.product-count' }
        ]
      },
      {
        name: 'User can add product to cart and checkout',
        actions: [
          { type: 'click', selector: '.product-item:first-child' },
          { type: 'wait', condition: 'element', value: '.product-details' },
          { type: 'click', selector: '#add-to-cart' },
          { type: 'wait', condition: 'element', value: '.cart-notification' },
          { type: 'click', selector: '#cart-icon' },
          { type: 'click', selector: '#checkout-button' },
          { type: 'assert', selector: '.checkout-form' }
        ]
      }
    ]
  },
  outputPath: './tests/ecommerce-journey.test.js'
});

Form Validation Testing

// Comprehensive form testing
const formTests = await mcpClient.callTool('create_test', {
  testStructure: {
    fixture: 'Contact Form Validation',
    url: 'https://example.com/contact',
    tests: [
      {
        name: 'should validate required fields',
        actions: [
          { type: 'click', selector: '#submit-button' },
          { type: 'assert', selector: '.error-name' },
          { type: 'assert', selector: '.error-email' },
          { type: 'assert', selector: '.error-message' }
        ]
      },
      {
        name: 'should validate email format',
        actions: [
          { type: 'type', selector: '#email', value: 'invalid-email' },
          { type: 'click', selector: '#submit-button' },
          { type: 'assert', selector: '.error-email-format' }
        ]
      },
      {
        name: 'should submit valid form successfully',
        actions: [
          { type: 'type', selector: '#name', value: 'John Doe' },
          { type: 'type', selector: '#email', value: 'john@example.com' },
          { type: 'type', selector: '#message', value: 'Test message' },
          { type: 'click', selector: '#submit-button' },
          { type: 'wait', condition: 'element', value: '.success-message' },
          { type: 'assert', selector: '.success-message' }
        ]
      }
    ]
  },
  outputPath: './tests/form-validation.test.js'
});

Interactive Browser Session

// Start an interactive session
const interactionResult = await mcpClient.callTool('interact', {
  actions: [
    { type: 'navigate', url: 'https://example.com' },
    { type: 'click', selector: '#explore-button' },
    { type: 'wait', condition: 'element', value: '.content-loaded' }
  ],
  executeLive: true,
  browser: 'chrome',
  screenshots: true,
  generateTest: true,
  outputPath: './exploration-test.js'
});

Element Discovery and Selector Optimization

// Discover elements on a page
const discoveryResult = await mcpClient.callTool('inspect_page', {
  operation: 'discover',
  target: { type: 'url', url: 'https://example.com/form' },
  executeLive: true,
  options: { includeHidden: false }
});

// Get selector suggestions for a specific element
const selectorResult = await mcpClient.callTool('inspect_page', {
  operation: 'suggest-selectors',
  target: {
    type: 'element-info',
    elementInfo: {
      tagName: 'BUTTON',
      id: 'submit-btn',
      className: 'btn btn-primary',
      text: 'Submit Form',
      attributes: { type: 'submit', class: 'btn btn-primary' },
      // ... other properties
    }
  }
});

🔍 Troubleshooting

Common Issues

Browser Launch Failures

# Install required dependencies for headless Chrome
sudo apt-get update
sudo apt-get install -y chromium-browser

# For Docker environments
docker run --cap-add=SYS_ADMIN --shm-size=2g your-image

Permission Errors

# Ensure proper permissions for screenshot/video directories
mkdir -p ./screenshots ./videos
chmod 755 ./screenshots ./videos

Memory Issues

// Reduce concurrency for resource-constrained environments
{
  "concurrency": 1,
  "speed": 0.5,
  "timeout": 60000
}

Debug Mode

Enable debug logging:

DEBUG=testcafe:* npm start

Or set in configuration:

{
  "server": { "debug": true },
  "testcafe": { "debugMode": true }
}

Performance Optimization

Browser Reuse

// Configure browser instance pooling
{
  "testcafe": {
    "concurrency": 3,
    "reuseInstances": true,
    "instanceTimeout": 300000
  }
}

Resource Management

// Optimize for CI/CD environments
{
  "testcafe": {
    "browsers": [{ 
      "name": "chrome", 
      "headless": true,
      "args": [
        "--no-sandbox",
        "--disable-dev-shm-usage",
        "--disable-gpu",
        "--memory-pressure-off"
      ]
    }],
    "speed": 1,
    "timeout": 30000,
    "skipJsErrors": true
  }
}

🧪 Testing

Unit Tests

npm test

Integration Tests

npm run test:integration

Real Browser Tests

npm run test:real

📈 Performance Monitoring

The server includes built-in performance monitoring:

Test execution times
Browser launch metrics
Memory usage tracking
Error rate monitoring

Access metrics through the debug interface or logs.

🤝 Contributing

Fork the repository
Create a feature branch
Make your changes
Add tests for new functionality
Ensure all tests pass
Submit a pull request

Development Guidelines

Follow TypeScript strict mode
Maintain test coverage above 80%
Use ESLint configuration
Document all public APIs
Include examples for new features

📄 License

MIT License - see LICENSE file for details.

TestCafe - End-to-end testing framework
Model Context Protocol - Protocol for AI tool integration

📚 Documentation

Core Documentation

API Reference - Detailed API documentation with examples

Integration Guides

Claude Desktop Integration - Configuration for Claude Desktop
Continue.dev Integration - VS Code integration with Continue.dev

Examples and Patterns

Basic Examples - Simple usage examples and getting started
Advanced Testing Patterns - Sophisticated testing workflows
MCP Integration Example - Complete MCP client implementation

Quick Links

API Tools - Available MCP tools reference
Configuration - Configure your MCP client
Examples - Usage examples and patterns

🤝 Contributing

We welcome contributions! Here's how to get started:

Development Setup

# Fork and clone the repository
git clone https://github.com/your-username/testcafe-mcp.git
cd testcafe-mcp-server

# Install dependencies
npm install

# Run in development mode
npm run dev

# Run tests
npm test

Contribution Guidelines

Fork the repository and create a feature branch
Write tests for new functionality (maintain >80% coverage)
Follow code style - use ESLint configuration
Update documentation for API changes
Test thoroughly across different platforms
Submit a pull request with clear description

Development Guidelines

Follow TypeScript strict mode
Use ESLint and Prettier for code formatting
Write comprehensive tests for all new features
Document all public APIs with JSDoc
Include examples for new functionality
Ensure cross-platform compatibility

Reporting Issues

When reporting bugs, please include:

Operating system and version
Node.js version
Browser versions
Complete error messages
Steps to reproduce
Expected vs actual behavior

This server cannot be installed

license - not found

quality - not tested

maintenance

How are these scores calculated?

Maintenance

–Maintainers

22dResponse time

–Release cycle

–Releases (12mo)

Resources

GitHub Repository

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TestCafe MCP Server

🚀 Features

Core Capabilities

Agentic Browser Control

Advanced Features

📦 Installation

Prerequisites

Quick Start

Development Setup

🔧 Configuration

MCP Client Configuration

Claude Desktop Configuration

Continue.dev Configuration

Generic MCP Client Configuration

Server Configuration

🛠 MCP Tools

1. create_test

2. execute_test

3. validate_test

4. interact

5. inspect_page

6–10. Utility Tools

Agentic Browser Control (11–17)

browser_navigate

browser_snapshot

browser_click

browser_type

browser_press_key

browser_evaluate

browser_take_screenshot

Agentic Workflow Example

📚 Examples

Quick Start Examples

1. AI-Assisted Test Creation

2. Interactive Test Development

3. Page Analysis and Element Discovery

Real-World Use Cases

E-commerce Testing Suite

Form Validation Testing

Interactive Browser Session

Element Discovery and Selector Optimization

🔍 Troubleshooting

Common Issues

Browser Launch Failures

Permission Errors

Memory Issues

Debug Mode

Performance Optimization

Browser Reuse

Resource Management

🧪 Testing

Unit Tests

Integration Tests

Real Browser Tests

📈 Performance Monitoring

🤝 Contributing

Development Guidelines

📄 License

🔗 Related Projects

📚 Documentation

Core Documentation

Integration Guides

Examples and Patterns

Quick Links

🤝 Contributing

Development Setup

Contribution Guidelines

Development Guidelines

Reporting Issues

Maintenance

Resources

Looking for Admin?

Latest Blog Posts

MCP directory API