Cursor 3: the IDE becomes a control room for parallel agents

Cursor started out as a code editor with AI built in: you write, the AI completes and helps. With Cursor 3, released on April 2, 2026, Anysphere moves the centre of the interface to agents. In the launch post the company writes that over the past year it went from editing files by hand to working with agents that write most of its code.

The main addition is the Agents Window: a window for launching and following many agents in parallel, across repositories and environments, meaning locally, in separate git worktrees, in the cloud or on a remote server over SSH. The sidebar also shows agents started from mobile, web, Slack, GitHub or Linear. A session can be moved from the cloud to the local machine to edit and test it, or from local to the cloud to keep it running while offline.

Also new are Design Mode, for pointing the agent at specific interface elements directly in the browser, and a new diffs view for reviewing changes, staging, committing and managing pull requests. The classic IDE remains available and you can switch back at any time.