# Claude Code source code leaks, exposing hidden Undercover Mode for AI authorship

- slug: claude-code-source-code-leaks-exposing-hidden-undercover-mode-for-ai-authorship
- date: 2026-04-06
- category: Artificial Intelligence

The npm packaging error that exposed 512,000 lines of Claude Code source code also revealed something else: Anthropic built a mode designed to make AI commits look human, with explicit instructions to scrub any internal identifiers from public git logs.

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