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leon🧠 Leon is your open-source personal assistant.

🧠 Leon is your open-source personal assistant.

17,172 stars
1,437 forks
TypeScript
MIT
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Leon

Leon is an open-source personal AI assistant built for privacy, control, and practical task execution. It combines tools, context, and memory to stay grounded in your real environment while operating locally or with remote AI providers of your choice.

Key Features

  • Multi-Execution Modes: Switch between smart mode for automatic selection, workflow mode for fixed paths, and agent mode for step-by-step planning
  • Local-First Privacy: Run locally with local models and context, avoiding mandatory third-party services
  • Real Tools Integration: Use dedicated tools and functions to complete tasks instead of relying on free-form model responses
  • Layered Memory System: Maintains durable preferences, day-to-day context, and recent conversation history
  • Voice Interaction: Built-in speech recognition and synthesis for hands-free operation
  • Modular Architecture: Skills, actions, tools, and functions create an extensible and maintainable system

Use Cases

  • Personal Productivity: Automate daily tasks like searching, note-taking, and system utilities with voice commands
  • Smart Home Control: Use tools to interact with your environment and receive grounded, context-aware responses
  • Development Assistant: Get coding help, search documentation, and manage development workflows
  • Privacy-Conscious Users: Run a capable AI assistant entirely on your machine without cloud dependencies

Who Is It For

Leon is designed for developers, privacy-conscious users, and anyone who wants a customizable AI assistant they can inspect, modify, and extend. It appeals to those who prefer local control over their data and want practical tool-based automation rather than generic AI chat.

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