The article prompts readers to share tools they have made for themselves since the advent of AI, and the comments reveal a wide range of projects, from custom harnesses and knowledge base systems to data-focused applications and personalized productivity tools. Many commenters have used AI-powered code generators or agents to create these tools, often with the goal of increasing productivity or automating repetitive tasks. The discussion highlights the versatility and potential of AI-assisted development. The tools created range from simple scripts to complex systems, showcasing the diverse applications of AI in personal projects.