Mutable.ai is an AI-driven developer tool designed to enhance code documentation, autocompletion, and refactoring. It automates the process of updating documentation and converts code into easily digestible articles. In addition, Mutable.ai offers Copilot-like autocomplete functionality and provides direct AI instructions for code edits. This tool supports multiple programming languages, including JavaScript, TypeScript, Go, Rust, Python, Vue, and Java, among others. By using Mutable.ai, developers can code faster and with higher accuracy.