CursorAI/Feature/Browser Control
Cursor Browser Control Feature
Overview
- Cursor AI can control web browsers directly through the CursorAI/MCP/Browser Extension MCP server
- This feature allows the AI agent to interact with web pages, perform automated testing, debugging, and UI improvements
- Previously in beta, Browser feature achieved General Availability in CursorAI/v/2.0
Capabilities
Navigation
- Navigate to URLs
- Navigate back through browser history
- Resize browser window
Interaction
- Click elements on pages
- Type into form fields
- Fill forms with multiple fields
- Select dropdown options
- Hover over elements
- Drag and drop between elements
Inspection
- Take screenshots of pages or specific elements
- Capture accessibility snapshots (better than screenshots for understanding page structure)
- View console messages
- Monitor network requests
- Evaluate JavaScript expressions
Advanced Features
- Wait for text to appear or disappear
- Handle dialogs (alerts, confirms, prompts)
- Manage multiple browser tabs
- Handle forms with validation
Use Cases
Automated Testing
- Execute end-to-end tests by navigating through user flows
- Fill forms and verify outputs
- Streamline the testing phase
UI Enhancements
- Analyze web interfaces
- Propose or implement refinements directly within the browser
- Reduce need for manual back-and-forth adjustments
Client-Side Debugging
- Detect and address client-side issues
- Access console logs and network activities
- Facilitate efficient debugging
Technical Details
- Implemented as an MCP server:
cursor-browser-extension - Provides browser control tools through the Model Context Protocol
- Integrated into Cursor's agent interface
- Includes embedded in-editor support with tools to select elements and forward DOM information to the agent
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