Wizi is an AI tool designed to handle common frontend tasks such as writing code, implementing details, and generating pull requests. The tool aims to focus on hard problems and reduce repetitive frontend tasks in order to increase efficiency. Its features include backlog control, CRUD tasks, legacy code cleanup and migrations, and HTML/CSS updates. Wizi also offers an early access program for its AI agent, as well as a code search feature for React codebases. Testimonials from users showcase its usefulness in problem-solving and automation for frontend development.