Chrome Debug MCP Server

// Tool definitions for Chrome Debug MCP export const toolDefinitions = [ { name: 'list_tabs', description: 'List all open tabs', inputSchema: { type: 'object', properties: {}, }, }, { name: 'new_tab', description: 'Open a new tab', inputSchema: { type: 'object', properties: { url: { type: 'string', description: 'URL to open in the new tab (optional)', }, }, }, }, { name: 'close_tab', description: 'Close a specific tab', inputSchema: { type: 'object', properties: { tabId: { type: 'string', description: 'ID of the tab to close', }, }, required: ['tabId'], }, }, { name: 'switch_tab', description: 'Switch to a specific tab', inputSchema: { type: 'object', properties: { tabId: { type: 'string', description: 'ID of the tab to switch to', }, }, required: ['tabId'], }, }, { name: 'launch_chrome', description: 'Launch Chrome in debug mode', inputSchema: { type: 'object', properties: { url: { type: 'string', description: 'URL to navigate to (optional)', }, executablePath: { type: 'string', description: 'Path to Chrome executable (optional, uses bundled Chrome if not provided)', }, userDataDir: { type: 'string', description: 'Path to a specific user data directory (optional, uses default Chrome profile if not provided)', }, loadExtension: { type: 'string', description: 'Path to unpacked extension directory to load (optional)', }, disableExtensionsExcept: { type: 'string', description: 'Path to extension that should remain enabled while others are disabled (optional)', }, disableAutomationControlled: { type: 'boolean', description: 'Disable Chrome\'s "Automation Controlled" mode (optional, default: false)', }, userscriptPath: { type: 'string', description: 'Path to userscript file to inject (optional)', }, }, }, }, { name: 'get_console_logs', description: 'Get console logs from Chrome', inputSchema: { type: 'object', properties: { clear: { type: 'boolean', description: 'Whether to clear logs after retrieving', }, }, }, }, { name: 'evaluate', description: 'Evaluate JavaScript in Chrome', inputSchema: { type: 'object', properties: { expression: { type: 'string', description: 'JavaScript code to evaluate', }, }, required: ['expression'], }, }, { name: 'click', description: 'Click an element on the page', inputSchema: { type: 'object', properties: { selector: { type: 'string', description: 'CSS selector for element to click', }, delay: { type: 'number', description: 'Optional delay before clicking (in milliseconds)', }, button: { type: 'string', enum: ['left', 'right', 'middle'], description: 'Mouse button to use', }, }, required: ['selector'], }, }, { name: 'type', description: 'Type text into an input field', inputSchema: { type: 'object', properties: { selector: { type: 'string', description: 'CSS selector for input field', }, text: { type: 'string', description: 'Text to type', }, delay: { type: 'number', description: 'Optional delay between keystrokes (in milliseconds)', }, }, required: ['selector', 'text'], }, }, { name: 'select', description: 'Select an option in a dropdown', inputSchema: { type: 'object', properties: { selector: { type: 'string', description: 'CSS selector for select element', }, value: { type: 'string', description: 'Option value or label to select', }, }, required: ['selector', 'value'], }, }, { name: 'hover', description: 'Hover over an element', inputSchema: { type: 'object', properties: { selector: { type: 'string', description: 'CSS selector for element to hover', }, }, required: ['selector'], }, }, { name: 'wait_for_selector', description: 'Wait for an element to appear on the page', inputSchema: { type: 'object', properties: { selector: { type: 'string', description: 'CSS selector to wait for', }, timeout: { type: 'number', description: 'Optional timeout in milliseconds', }, visible: { type: 'boolean', description: 'Whether element should be visible', }, }, required: ['selector'], }, }, { name: 'screenshot', description: 'Take a screenshot of the page or element', inputSchema: { type: 'object', properties: { selector: { type: 'string', description: 'Optional CSS selector to screenshot specific element', }, path: { type: 'string', description: 'Output path for screenshot', }, fullPage: { type: 'boolean', description: 'Whether to capture the full scrollable page', }, quality: { type: 'number', description: 'Image quality (0-100) for JPEG', }, }, required: ['path'], }, }, { name: 'navigate', description: 'Navigate to a URL', inputSchema: { type: 'object', properties: { url: { type: 'string', description: 'URL to navigate to', }, waitUntil: { type: 'string', enum: ['load', 'domcontentloaded', 'networkidle0', 'networkidle2'], description: 'When to consider navigation completed', }, timeout: { type: 'number', description: 'Navigation timeout in milliseconds', }, }, required: ['url'], }, }, { name: 'get_text', description: 'Get text content of an element', inputSchema: { type: 'object', properties: { selector: { type: 'string', description: 'CSS selector for element', }, }, required: ['selector'], }, }, { name: 'get_attribute', description: 'Get attribute value of an element', inputSchema: { type: 'object', properties: { selector: { type: 'string', description: 'CSS selector for element', }, attribute: { type: 'string', description: 'Attribute name to get', }, }, required: ['selector', 'attribute'], }, }, { name: 'set_viewport', description: 'Set the viewport size and properties', inputSchema: { type: 'object', properties: { width: { type: 'number', description: 'Viewport width in pixels', }, height: { type: 'number', description: 'Viewport height in pixels', }, deviceScaleFactor: { type: 'number', description: 'Device scale factor', }, isMobile: { type: 'boolean', description: 'Whether to emulate mobile device', }, }, required: ['width', 'height'], }, }, ];