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README.md

GitHub Code Vector Search Chrome Extension

A Chrome extension for indexing and semantically searching GitHub repository code, powered by Claude Context.

📖 New to Claude Context? Check out the main project README for an overview and setup instructions.

Features

  • 🔍 Semantic Search: Intelligent code search on GitHub repositories based on semantic understanding
  • 📁 Repository Indexing: Automatically index GitHub repositories and build semantic vector database
  • 🎯 Context Search: Search related code by selecting code snippets directly on GitHub
  • 🔧 Multi-platform Support: Support for OpenAI and VoyageAI as embedding providers
  • 💾 Vector Storage: Integrated with Milvus vector database for efficient storage and retrieval
  • 🌐 GitHub Integration: Seamlessly integrates with GitHub's interface
  • 📱 Cross-Repository: Search across multiple indexed repositories
  • ⚡ Real-time: Index and search code as you browse GitHub

Installation

From Chrome Web Store

Coming Soon: Extension will be available on Chrome Web Store

Manual Installation (Development)

  1. Build the Extension:

    cd packages/chrome-extension
pnpm build

  2. Load in Chrome:

    • Open Chrome and navigate to chrome://extensions/
    • Enable "Developer mode" in the top right
    • Click "Load unpacked" and select the dist folder
    • The extension should now appear in your extensions list

Quick Start

  1. Configure Settings:

    • Click the extension icon in Chrome toolbar
    • Go to Options/Settings
    • Configure embedding provider and API Key
    • Set up Milvus connection details

  2. Index a Repository:

    • Navigate to any GitHub repository
    • Click the "Index Repository" button that appears in the sidebar
    • Wait for indexing to complete

  3. Start Searching:

    • Use the search box that appears on GitHub repository pages
    • Enter natural language queries like "function that handles authentication"
    • Click on results to navigate to the code

Configuration

The extension can be configured through the options page:

  • Embedding Provider: Choose between OpenAI or VoyageAI
  • Embedding Model: Select specific model (e.g., text-embedding-3-small)
  • API Key: Your embedding provider API key
  • Milvus Settings: Vector database connection details
  • GitHub Token: Personal access token for private repositories (optional)

Permissions

The extension requires the following permissions:

  • Storage: To save configuration and index metadata
  • Scripting: To inject search UI into GitHub pages
  • Unlimited Storage: For storing vector embeddings locally
  • Host Permissions: Access to GitHub.com and embedding provider APIs

File Structure

  • src/content.ts - Main content script that injects UI into GitHub pages
  • src/background.ts - Background service worker for extension lifecycle
  • src/options.ts - Options page for configuration
  • src/config/milvusConfig.ts - Milvus connection configuration
  • src/milvus/chromeMilvusAdapter.ts - Browser-compatible Milvus adapter
  • src/storage/indexedRepoManager.ts - Repository indexing management
  • src/stubs/ - Browser compatibility stubs for Node.js modules

Development Features

  • Browser Compatibility: Node.js modules adapted for browser environment
  • WebAssembly Support: Optimized for browser performance
  • Offline Capability: Local storage for indexed repositories
  • Progress Tracking: Real-time indexing progress indicators
  • Error Handling: Graceful degradation and user feedback

Usage Examples

Basic Search

  1. Navigate to a GitHub repository
  2. Enter query: "error handling middleware"
  3. Browse semantic search results

Context Search

  1. Select code snippet on GitHub
  2. Right-click and choose "Search Similar Code"
  3. View related code across the repository

Multi-Repository Search

  1. Index multiple repositories
  2. Use the extension popup to search across all indexed repos
  3. Filter results by repository or file type

Contributing

This Chrome extension is part of the Claude Context monorepo. Please see:

Related Packages

Tech Stack

  • TypeScript - Type-safe development
  • Chrome Extension Manifest V3 - Modern extension architecture
  • Webpack - Module bundling and optimization
  • Claude Context Core - Semantic search engine
  • Milvus Vector Database - Vector storage and retrieval
  • OpenAI/VoyageAI Embeddings - Text embedding generation

Browser Support

  • Chrome 88+
  • Chromium-based browsers (Edge, Brave, etc.)

License

MIT - See LICENSE for details