Browser Tools Server
A powerful browser tools server for capturing and managing browser events, logs, and screenshots. This server works in conjunction with the Browser Tools Chrome Extension to provide comprehensive browser debugging capabilities.
Features
- Console log capture
- Network request monitoring
- Screenshot capture
- Element selection tracking
- WebSocket real-time communication
- Configurable log limits and settings
- Lighthouse-powered accessibility and performance audits
Prerequisites
- Node.js 14 or higher
- Chrome or Chromium browser installed (required for audit functionality)
Installation
npx @agentdeskai/browser-tools-server
Or install globally:
npm install -g @agentdeskai/browser-tools-server
Usage
- Start the server:
npx @agentdeskai/browser-tools-server
-
The server will start on port 3025 by default
-
Install and enable the Browser Tools Chrome Extension
-
The server exposes the following endpoints:
/console-logs
- Get console logs/console-errors
- Get console errors/network-errors
- Get network error logs/network-success
- Get successful network requests/all-xhr
- Get all network requests/screenshot
- Capture screenshots/selected-element
- Get currently selected DOM element/accessibility-audit
- Run accessibility audit on current page/performance-audit
- Run performance audit on current page/seo-audit
- Run SEO audit on current page
API Documentation
GET Endpoints
GET /console-logs
- Returns recent console logsGET /console-errors
- Returns recent console errorsGET /network-errors
- Returns recent network errorsGET /network-success
- Returns recent successful network requestsGET /all-xhr
- Returns all recent network requestsGET /selected-element
- Returns the currently selected DOM element
POST Endpoints
POST /extension-log
- Receive logs from the extensionPOST /screenshot
- Capture and save screenshotsPOST /selected-element
- Update the selected elementPOST /wipelogs
- Clear all stored logsPOST /accessibility-audit
- Run a WCAG-compliant accessibility audit on the current pagePOST /performance-audit
- Run a performance audit on the current pagePOST /seo-audit
- Run a SEO audit on the current page
Audit Functionality
The server provides Lighthouse-powered audit capabilities for accessibility and performance testing:
Accessibility Audit
Runs a WCAG-compliant accessibility audit on the current page. The audit checks for common accessibility issues such as:
- Color contrast problems
- Missing alt text on images
- Keyboard navigation issues
- ARIA attribute problems
- Form label issues
Performance Audit
Runs a performance audit on the current page to identify issues affecting load speed and responsiveness:
- Render-blocking resources
- Excessive DOM size
- Unoptimized images
- JavaScript execution time
- First Contentful Paint (FCP) and other metrics
License
MIT
Puppeteer Service
A comprehensive browser automation service built on Puppeteer to provide reliable cross-platform browser control capabilities.
Features
-
Cross-Platform Browser Support:
- Windows, macOS, and Linux support
- Chrome, Edge, Brave, and Firefox detection
- Fallback strategy for finding browser executables
-
Smart Browser Management:
- Singleton browser instance with automatic cleanup
- Connection retry mechanisms
- Temporary user data directories with cleanup
-
Rich Configuration Options:
- Custom browser paths
- Network condition emulation
- Device emulation (mobile, tablet, desktop)
- Resource blocking
- Cookies and headers customization
- Locale and timezone emulation