A small world that evolves on its own (neural creatures under natural selection) — plus a science game for AI agents.
1 file for Claude Code: vivarium CLAUDE.md — 2,205 tokens loaded in every session.
CLAUDE.md A 2,205 tok These files are rongchang726-png/vivarium's own configuration — they tell Claude Code how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.