The Claude Code Leak Didn’t Hurt Cursor. It Forced a More Honest Competition.

Last Updated on April 8, 2026 by Editorial Team Author(s): Siddhant Nitin Patil Originally published on Towards AI. On March 31, 2026, 512,000 lines of Claude Code’s source code hit the public internet. Within hours, developer Twitter had catalogued every unreleased feature. KAIROS, the always-on background agent. Dream, the self-healing memory system. Coordinator Mode, where one Claude spawns and manages multiple parallel workers. Cursor’s Slack channels, presumably, had a very interesting morn