What Is Cursor? Cursor is an AI-powered development environment that supports tasks from writing code to reviewing pull requests and collaborating across tools like GitHub, Slack, and the terminal. At the core of Cursor is an agentic development model, where users delegate coding tasks to AI agents and focus on higher-level decisions. Its specialized tab model provides autocomplete suggestions with high speed and accuracy, helping developers write code faster and more accurately. Cursor positions itself as an all-in-one solution for coding with AI, aiming to simplify development at each step.