Open Claude Cowork
Open-source desktop chat with 500+ tools via Composio
Overview
Open Claude Cowork is an open-source desktop chat application built with Electron, combining Claude Agent SDK with Composio Tool Router for access to 500+ integrated tools. Features multi-provider support including Claude (Opus 4.5, Sonnet 4.5, Haiku 4.5) and OpenCode routing for GPT-5, Grok, and other models. Includes real-time streaming, persistent multi-chat sessions, tool call visualization, and a modern dark-themed interface.
Pricing: Free (open source, BYOK)
Architecture: Apple Silicon, Intel
Key Features
- 500+ external tools via Composio integration
- Multi-provider support: Claude (Opus 4.5, Sonnet 4.5, Haiku 4.5) and OpenCode
- Real-time streaming with Server-Sent Events
- Persistent multi-chat session management
- Tool call visualization in sidebars
- Extended thinking support
- Native desktop app for macOS, Windows, Linux
- Modern dark-themed interface
Tags
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