GitChat is an AI-powered tool that generates summaries for every pull request, providing instant context and actionable feedback. It allows developers to engage in real-time chats with AI to uncover issues and enhance code quality. GitChat's customizable code review assistant ensures optimal results by allowing teams to set up rules and filters according to their needs. By integrating into GitHub, GitChat helps streamline code reviews, improves the overall development process, and accelerates product shipping.