Build, run, and extend AI agents with a practical open-source stack.

Harnessclaw is an open-source organization focused on developer-facing agent products and infrastructure. We build tools for creating better agent experiences across desktop applications, runtime engines, skill ecosystems, and community workflows.

• Desktop agent experience: A polished desktop app for managing, chatting with, and operating AI agents and skills.
• Agent runtime engine: A Go-based programming assistant engine with WebSocket communication, tool calling, permission control, and skill extensibility.
• Distribution and workflow tooling: Supporting repositories for package distribution and community collaboration.
• Rules and ecosystem assets: Shared resources that help users customize and extend their agent workflows.

Electron-based desktop application for managing, chatting with, and operating AI agents and skills.

Go-based LLM programming assistant engine with multi-turn dialogue, tool calling, permission control, and skill extension.

Community-curated rules and reusable configuration ideas for better Harnessclaw workflows.

Homebrew distribution repository for installing and maintaining Harnessclaw tools on macOS.

• Open and composable: Use the desktop app and engine together, or integrate only the parts you need.
• Built for real workflows: Focused on agent interaction, tool execution, permissions, and extensibility instead of demo-only experiences.
• Developer-friendly: Clear repository structure, practical protocols, and community-first collaboration.

• Desktop app discussions: harnessclaw Discussions
• Engine discussions: harnessclaw-engine Discussions
• Report issues: harnessclaw Issues · harnessclaw-engine Issues
• Join the community: Discord

We believe agent products should be useful, extensible, and easy to bring into everyday development workflows. Harnessclaw exists to make that stack more open, more practical, and easier to build on.

• Organization: github.com/harnessclaw
• Repositories: github.com/orgs/harnessclaw/repositories
• Desktop app: harnessclaw/harnessclaw
• Engine: harnessclaw/harnessclaw-engine