JARVIS OS: How a Veteran Engineer Built a Practical Personal AI in 72 Hours

This demonstrates a practical implementation of agentic AI on consumer hardware, moving beyond chatbot limitations through the ReAct pattern that enables actual tool use. It challenges the narrative that local AI is merely conversational by showing how proper architecture and resource management can create genuinely useful personal assistants. The project validates that modern AI meets decades of information systems expertise in a viable, reproducible way.