Galaxy Code - VSCode Extension

AI-powered coding assistant extension for Visual Studio Code with an intuitive chat interface, similar to Claude Code.

Features

Chat Interface: Interactive chat UI for conversations with AI
Command Palette Integration: Quick access via Cmd+P > Galaxy Code: Open new Tab
Multiple AI Providers: Support for Gemini, Claude, and Ollama
Code Understanding: Ask questions about your code, get explanations
Code Generation: Generate code snippets, functions, and entire files
Bug Fixing: Get help debugging and fixing issues
Test Generation: Automatically generate tests for your code
File Operations: Execute commands, open files, apply edits directly from chat
Workspace Context: AI understands your current workspace, active file, and selections

Installation

From Source

Clone this repository
Navigate to apps/extension/vscode
Install dependencies:
```
bun install
```
Build the extension:
```
bun run build
```
Press F5 in VSCode to launch the Extension Development Host

From VSIX

Download the .vsix file from releases
In VSCode, go to Extensions view (Cmd+Shift+X)
Click the ... menu at the top right
Select "Install from VSIX..."
Choose the downloaded file

Configuration

Open VSCode Settings (Cmd+, or Ctrl+,)
Search for "Galaxy Code"
Configure the following:

{
  "galaxy-code.provider": "gemini",  // or "claude", "ollama"
  "galaxy-code.apiKey": "your-api-key-here"
}

Get API Keys

Gemini: https://ai.google.dev/
Claude: https://www.anthropic.com/
Ollama: No API key needed (runs locally)

Usage

Opening Galaxy Code Chat

Command Palette:
- Press Cmd+P (Mac) or Ctrl+P (Windows/Linux)
- Type >Galaxy Code: Open new Tab
- Press Enter
Keyboard Shortcut:
- Press Cmd+Shift+G (Mac) or Ctrl+Shift+G (Windows/Linux)

Chat Commands

Once the chat is open:

Ask Questions: Type your question in the input box
Send Messages: Press Enter to send (or click the send button)
New Line: Press Shift+Enter for multi-line input
Clear History: Click the trash icon in the header

Example Prompts

Explain what this function does

Generate a React component for a user profile card

Find and fix the bug in the selected code

Write unit tests for this function

Refactor this code to use async/await

Features in Detail

Code Context Awareness

Galaxy Code automatically includes context about your workspace:

Current active file
Programming language
Selected code (if any)
Workspace root directory

Code Execution

When the AI suggests shell commands, you can click on code blocks to execute them directly in the integrated terminal.

The AI can reference specific files and line numbers. Click on file references to open them directly in the editor.

Markdown Support

All AI responses are rendered with full markdown support:

Code syntax highlighting
Tables
Lists
Blockquotes
Links

Development

Project Structure

apps/extension/vscode/
├── src/
│   ├── extension.ts           # Extension entry point
│   ├── providers/
│   │   └── ChatViewProvider.ts # Chat webview provider
│   ├── utils/
│   │   └── GalaxyOrchestrator.ts # AI orchestrator integration
│   └── webview/               # React chat UI
│       ├── App.tsx
│       ├── components/
│       │   ├── Header.tsx
│       │   ├── MessageList.tsx
│       │   ├── MessageItem.tsx
│       │   └── InputBox.tsx
│       └── index.tsx
├── package.json
├── tsconfig.json
├── vite.config.ts
└── README.md

Build Scripts

bun run compile - Compile TypeScript extension code
bun run build:webview - Build React webview UI
bun run build - Build both extension and webview
bun run watch - Watch mode for development
bun run package - Package extension as .vsix

Running in Development

Open the project in VSCode
Run bun install to install dependencies
Press F5 to start debugging
A new VSCode window will open with the extension loaded

Debugging

Extension code: Use VSCode debugger (F5)
Webview: Open Developer Tools (Help > Toggle Developer Tools)

Integration with Galaxy CLI

This extension integrates with the Galaxy CLI orchestrator for AI capabilities.

If Galaxy CLI is present in your workspace at terminal/galaxy_cli/, the extension will use it directly. Otherwise, it will use a built-in fallback.

Keyboard Shortcuts

Shortcut	Action
`Cmd+Shift+G` (Mac) / `Ctrl+Shift+G` (Win/Linux)	Open Galaxy Code Chat
`Enter`	Send message
`Shift+Enter`	New line in message

Troubleshooting

Extension not loading

Check that you've built the extension with bun run build
Reload VSCode window (Cmd+R or Ctrl+R)
Check the Output panel for errors

API key errors

Verify your API key is correct in settings
Check that you've selected the right provider
Ensure you have internet connection (for Gemini/Claude)

Webview not displaying

Check browser console in Developer Tools
Rebuild webview: bun run build:webview
Clear VSCode cache and reload

Contributing

Contributions are welcome! Please:

Fork the repository
Create a feature branch
Make your changes
Submit a pull request

License

MIT License - see LICENSE file for details

Credits

Built with:

VSCode Extension API
React
Vite
Marked
Highlight.js
Galaxy CLI Orchestrator

Made with ❤️ by the Galaxy Code team

Galaxy Code

kevinbui