A native macOS desktop client for Claude with a clean, minimal interface and system-wide quick access.

This project is an independent, open-source research and educational project. It is not affiliated with, endorsed by, or sponsored by Anthropic. "Claude" is a trademark of Anthropic, PBC.

This client requires a valid claude.ai account and authenticates through the official web login. It does not bypass any authentication or access controls. Usage is subject to Anthropic's Terms of Service and Acceptable Use Policy.

This software is provided "as is" for educational and personal productivity purposes. The authors make no warranties and assume no liability for its use.

• Transparent window with vibrancy effects (under-window blur)
• Native traffic light controls with custom positioning
• System font rendering with SF Pro Display
• Dark mode support

Press Cmd+Shift+C from anywhere to open a floating Spotlight-style search bar. Ask quick questions without leaving your current workflow.

• Always-on-top floating window
• Closes automatically when clicking outside
• Uses Claude Haiku for fast responses
• Maintains conversation context within a session
• Auto-resizes based on response length

• Create, rename, and delete conversations
• Star important conversations
• Auto-generated titles based on conversation content
• Conversation history with timestamps

• Real-time streaming text display
• Extended thinking support with collapsible summaries
• Tool use visualization
• Stop generation at any time

• Claude Opus 4.5 (default for main chat)
• Claude Haiku 4.5 (Spotlight quick queries)

Download the latest DMG for your architecture:

• Open Claude-x.x.x-arm64.dmg - Apple Silicon (M1/M2/M3)
• Open Claude-x.x.x.dmg - Intel

# Clone the repository
git clone https://github.com/tkattkat/open-claude.git
cd open-claude

# Install dependencies
pnpm install

# Development
pnpm dev

# Build from source to desktop app
pnpm dist

Open Claude uses your existing claude.ai account. Click "Sign in with Claude" to authenticate through the standard web login flow. Your session is stored securely using electron-store.

• MCP (Model Context Protocol) server support
• File attachments and image uploads
• Custom keyboard shortcuts configuration
• Multiple conversation windows
• Export conversations to Markdown

• Electron 39
• TypeScript