Anthropic is facing fresh scrutiny after accidentally exposing over 500,000 lines of code tied to its Claude Code product. The leak happened during a routine software update, where a packaging error unintentionally included internal files outlining the system’s architecture and behavior.

While the company stated it was “not a security breach,” the scale of the exposure raised eyebrows. Developers quickly analyzed the leaked material, describing it as a detailed blueprint of how Claude Code operates—offering rare insight into one of the fastest-growing AI developer tools.