Cursor
The AI code editor that understands your entire repository
Cursor is a VS Code fork with deeply embedded AI that can read, write, and refactor code across your entire codebase — not just the open file. Its Composer mode lets you describe a feature in plain English and watch it scaffold files, update imports, and write tests automatically. It's the go-to choice for developers who want AI to act as a true coding partner rather than an autocomplete engine.
Best for
Building full features from natural language descriptions
Refactoring large codebases with cross-file context awareness
Debugging errors with full stack trace and codebase context
Learning unfamiliar codebases by asking questions about structure
Prompt tips for Cursor
Use @ mentions (e.g., @filename.ts) to pin specific files into context before asking questions
Start Composer prompts with 'Without breaking existing functionality, add...' to prevent regressions
Describe the expected behavior and the actual behavior separately when asking for bug fixes
Use 'Follow the patterns in @existingFile.ts' to ensure new code matches team conventions
Sample prompts
Pros & cons
Pros
- Codebase-wide context means AI understands how files relate to each other
- Composer can scaffold multi-file features in a single instruction
- Built on VS Code so all existing extensions and keybindings work
Cons
- Context window limits mean very large monorepos may require careful file selection
- Subscription cost adds to existing IDE tooling budget
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