Claude Code Leak Reveals Hidden Pixel Pet System

On March 30th, 2026, Anthropic accidentally shipped a 59.8 MB source map file inside their Claude Code npm package. Within hours, the entire 512,000-line TypeScript codebase was mirrored across GitHub and picked apart by thousands of developers. Buried inside that code, alongside feature flags for autonomous agents and undercover commit modes, was something nobody expected: a fully built virtual pet system called Buddy.

My co-founder peroni and I did the only sensible thing. We shipped it.

We all know what happened yday with Claude Code. Buried in the source: a hidden pet system called "Buddy." Every user gets a unique pixel creature based on their ID. Deterministic, same hash, same buddy, every time. So @peronif5 and I did the most sensible thing... Shipped it.… pic.twitter.com/YE4ZSEIXq7

— Agnel (🇵🇷) (@agnelnieves) April 1, 2026

What Happened with the Claude Code Leak

If you missed it, here's the short version. Chaofan Shou...

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