Blog•Apr 2, 2026
Claude Code Leaked. And It’s Not What You Think.
Anthropic unintentionally leaked the full source code of Claude Code after publishing a package that included a production‑only source map file. The exposure revealed that Claude Code relies heavily on layered prompts, instructions, and guardrails rather than a mysterious black‑box model. The leak also uncovered defensive mechanisms such as fake tool references and an "undercover mode" designed to mask AI involvement. This incident underscores how even leading AI firms can suffer basic deployment oversights, exposing proprietary logic and future feature roadmaps.
