Claude Opus Builds Interactive 3D Library of Babel in One Hour
June 16, 2026
Claude Opus 4.6 in Claude Code autonomously built a navigable 3D Library of Babel with a Feistel cipher ensuring every possible book has a deterministic location and text search across the library. The project is live on Netlify and serves as a demonstration of extended agentic coding capability.
HOW THIS AFFECTS YOU
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builderIllustrates what Claude Code can produce in a single agentic session, but offers no reusable APIs or technical implementation details beyond the Feistel cipher approach.