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.
Features
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
Usage
Basic Usage
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
Custom Commands
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/commands directory
Edit the markdown file to customize your prompt
Select files and use "CodeCat → Run Custom Command" to execute
Requirements
Visual Studio Code 1.98.0 or higher
Anthropic API key (for Code Review and Custom Commands)
Feature Details
Directory Tree
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 .gitignore patterns
Excludes common system directories (.git, .vscode, etc.)
Configuration
Set your Anthropic API key in Settings: codecat.anthropicApiKey
Or set it as an environment variable: ANTHROPIC_API_KEY
