AI Tamago is a SaaS AI-powered virtual pet, akin to the classic Tamagotchi, developed using 100% Javascript. It's a local-ready LLM-generated and LLM-driven tamagotchi, with thoughts and feelings. The project is open-source under the MIT license, enabling users to freely explore its functionalities and even host it at no cost. The GitHub repository 'AI-tamago' provides comprehensive information for hosting and customization. The AI Tamago aims to blend nostalgia for Tamagotchi enthusiasts with modern AI capabilities. For a firsthand experience, check out the live demo at ai-tamago.fly.dev.