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Dev.to
7/24/2026
I built a memory layer that works across Claude, ChatGPT and Cursor — and rendered it as a 3D brain

I built a memory layer that works across Claude, ChatGPT and Cursor — and rendered it as a 3D brain

Short summary

Mind Silo is a cross-tool memory layer that passively captures conversations from Claude, ChatGPT, Gemini, and Cursor via a Chrome extension, distills them into atomic memories stored in Postgres with pgvector, and exposes them through an MCP server. A Three.js 3D brain visualization renders memories as nodes with semantic edges. The author identifies temporal contradiction resolution — typed edges with validity windows — as the next hard problem. The product is live at mind-silo.com.

  • •Chrome MV3 extension passively captures conversations across Claude, ChatGPT, Gemini, and Cursor
  • •Memories distilled into atomic facts, embedded with pgvector, and exposed via MCP server for any compatible client
  • •3D brain visualization in Three.js became the key differentiator for user understanding; temporal contradiction resolution is the next challenge

Generated with AI, which can make mistakes.

#ai-tools#ai-agents#product-launch#open-source
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