[P] KG Is the Brain

Reddit r/MachineLearning / 3/15/2026

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Key Points

The project demonstrates a dungeon crawler where a knowledge graph serves as the brain, with the LLM acting as an occasional consultant and the graph handling about 97% of decisions.
It introduces a 'biopsy' tool that lets you read the AI's actual cognitive state like a brain scan, enabling transparency into reasoning.
The effort comprises about 10 files (~7,000 lines) and uses Claude 4.6, with the code available in the GitHub repo at https://github.com/DormantOne/mycelium3.
It models brain-inspired memory dynamics, such as fear memories decaying slower than calm ones, to influence AI behavior within the system.

Built a dungeon crawler where the knowledge graph is the brain and the LLM is just the occasional consultant. Graph handles 97% of decisions, soul evolves across dungeons, fear memories decay slower than calm ones, and a "biopsy" tool lets you read the AI's actual cognitive state like a brain scan. 10 files, ~7K lines, one conversation with Claude 4.6. Repo - https://github.com/DormantOne/mycelium3

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