LunaMemo: Shared AI Memory
One private memory for all your AI assistants
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LunaMemo: Shared AI Memory - One private memory for all your AI assistants

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Lunamemo gives Claude and ChatGPT one shared, private memory. Mention your marathon in Claude on Monday, and ChatGPT can design a training on Friday. Connect both in a minute, then see, edit or delete every note. Stored in the EU, never sold, free.

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Hey Product Hunt 👋 I'm Robin, and I built Lunamemo because I use Claude and ChatGPT every day, and neither knows what I told the other. Every new chat meant explaining my projects, my preferences and my plans again. What it does: Lunamemo is one memory that both assistants share. Tell Claude something on Monday, and ChatGPT can use it on Friday. Connect several ChatGPT and Claude accounts and they all share one memory. How it works: Lunamemo is a remote MCP server. You add it once as a custom connector in Claude and in ChatGPT and sign in with Google. From then on the assistant checks your memory at the start of a chat and saves lasting facts as you talk ("I'm vegetarian", "we launch in March", "my sister lives in Lyon"). A few details I cared about: • Notes, not a log. Each memory is one short fact. Repeats are ignored, rewordings update the existing note, and contradictions are flagged so the assistant can fix them. • Temporary facts expire. "I'm in Lisbon until Friday" disappears after Friday. • You stay in control. A dashboard shows every memory. Edit, delete, export, or erase your whole account. • Private by design. Stored in the EU under the GDPR. No ads, no tracking, no training on your data. Passwords and card numbers are refused. It's free right now. I'd love your feedback, especially: what would you want your assistants to always remember about you?