A powerful VSCode extension for preparing and analyzing your code with AI. Concatenate files, create skimmed versions, get AI code reviews, and run custom AI commands.
- File Concatenation - Combine multiple files with path headers
- Skim Mode - Generate a lightweight version that preserves structure but skips function bodies
- Code Review - Get detailed AI code reviews using Claude
- Custom Commands - Create your own AI prompts for specialized code analysis
- Directory Tree - Generate tree structure visualizations of your project directories
- Multiple Output Options - Copy to clipboard or open in editor
- Select files/folders in VSCode Explorer
- Right-click and choose an option from the "CodeCat" menu:
- Generate Tree - Create a directory structure tree visualization
- Concat to Clipboard - Combine and copy to clipboard
- Concat to Editor - Combine and open in a new editor
- Skim to Clipboard - Create a lightweight version for clipboard
- Skim to Editor - Create a lightweight version in editor
- Review Code - Get an AI-powered code review
- Run Custom Command - Execute a custom AI command
Create your own AI commands for specialized analysis:
- Right-click and select "CodeCat → Create Sample Command" to create an example
- Find the command file in the
.codecat/commandsdirectory - Edit the markdown file to customize your prompt
- Select files and use "CodeCat → Run Custom Command" to execute
- Visual Studio Code 1.98.0 or higher
- Anthropic API key (for Code Review and Custom Commands)
The Generate Tree command creates a visual representation of your project structure:
- Right-click on any folder in the Explorer and select "CodeCat → Generate Tree"
- The tree structure is copied to your clipboard
- Maximum depth is 10 levels to prevent excessive output
- Automatically respects
.gitignorepatterns - Excludes common system directories (
.git,.vscode, etc.)
- Set your Anthropic API key in Settings:
codecat.anthropicApiKey - Or set it as an environment variable:
ANTHROPIC_API_KEY