Key Findings Anthropic leaked approximately 512,000 lines of Claude Code source code through a misconfigured npm source map file on March 31, 2026 The leak was discovered within hours by an intern at Solayer Labs and rapidly mirrored across the internet Claude Code generates $2.5 billion annually, representing a significant portion of Anthropic's $19 billion total revenue The exposed code reveals proprietary solutions including a three-layer memory system designed to prevent