Anthropic's Claude Code source has leaked via a packaging error, exposing anti-distillation traps, an undercover mode, and scaffolding for an unreleased agent.

Claude Code Source Code Leak Anthropic: Analysts believe the leak could impact the company’s reputation, especially as it is ...

Anthropic says it accidentally leaked the source code for Claude Code, which is closed source, but the company says no ...

The leak provides competitors—from established giants to nimble rivals like Cursor—a literal blueprint for how to build a ...