I got tired of telling ChatGPT who I am, then switching to Claude and starting from zero. Then Gemini. Your history lives on three different companies' servers and none of them talk to each other. So I built MEMMEM (Windows for now, Mac/Linux planned). It imports the official data exports from ChatGPT, Claude and Gemini into a local SQLite memory on your own machine, and exposes a local MCP server. Any MCP-capable assistant (Claude Code, Codex, Gemini CLI...) can query it and gets back the exa...