The Claude Code leak: 512,000 lines, one misconfigured file, and the future of AI IP protection

At roughly 4 AM UTC on March 31, 2026, Anthropic pushed version 2.1.88 of its @anthropic-ai/claude-code package to the npm registry. Inside was a 59.8 MB source map file that should never have shipped. That single file contained pointers to the compl...