Master Advanced Features

Codebase Indexing: AI Knows Your Code

When you open a project, Cursor automatically indexes it. The AI scans every file and creates a semantic understanding of your codebase. This is why it can suggest relevant code from anywhere in your project.

@-Mentions: Direct Context

In Chat or Composer, use @-mentions to reference specific files or symbols:

• **@filename.jsx**: Reference a specific file
• **@functionName**: Reference a specific function
• **@className**: Reference a class
• Type @ and see all available options

This tells the AI exactly what to consider when generating code.

Multi-Model AI: Choose Your Brain

Cursor supports multiple AI models. Switch between them in the Chat panel:

• **Claude Sonnet & Opus** (Anthropic): Best for analysis and refactoring
• **GPT-5** (OpenAI): Great for creative code generation
• **Gemini** (Google): Good for general tasks
• **xAI models**: Latest experimental models

Different models excel at different tasks. Feel free to try different ones for different work.

# .cursorrules - Tell Cursor about your project

You are an expert React developer working on a design system.

## Code Style
- Use TypeScript with strict mode
- Use Tailwind CSS for styling (never write raw CSS)
- Follow functional components with hooks
- Component exports should be default exports

## Design System
- Primary color: #0066FF (blue-600)
- Spacing: Use Tailwind spacing scale (gap-4, p-2, etc.)
- Fonts: Use system fonts (font-sans) or Inter

## Naming Conventions
- Components: PascalCase (Button, Card, Header)
- Variables: camelCase (buttonText, cardContent)
- Files: kebab-case (button.jsx, card.jsx)

## Testing
- Always add JSDoc comments
- Make components responsive mobile-first

Privacy Mode: Your Code Stays Private

Pro feature ($20/month): Enable Privacy Mode in Settings. Your code is never:

• Sent to AI providers for training
• Logged or stored on servers
• Used to improve AI models

Context Management: Work Smarter

AI works better with relevant context. Strategies:

• **Close tabs**: Only open files you're actively using
• **Use @-mentions**: Reference specific files instead of context-dumping
• **Provide .cursorrules**: Let your project guidelines guide the AI
• **Use Cmd+Enter for full context**: When you truly need codebase-wide understanding

Bugbot: AI Code Review

Advanced feature: Bugbot automatically reviews your GitHub PRs and suggests improvements:

• Detects bugs and logic errors
• Suggests security fixes
• Recommends performance improvements
• ​One-click "Fix in Cursor" to apply suggestions

Team Features (Cursor Teams/Enterprise)

For teams ($40/user/month):

• Shared .cursorrules across team
• Centralized billing and usage tracking
• SSO authentication
• Team-wide privacy settings
• Collaboration features