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Kun Lu

PinAI - AI Knowledge Library - Save, organize, re-use your best AI outputs across platforms

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AI conversations produce great outputs that vanish into scroll history. PinAI fixes this. Click the pin icon on any AI response in Claude, ChatGPT, or Gemini to save it to a project board. Add notes about why you saved it. Add action items for what to do next. Then re-inject saved outputs into new conversations as context. Free, open source, and 100% local — your data never leaves your device. No accounts, no cloud, no tracking.

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Kun Lu
Hunter
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Hey everyone! I built PinAI because I kept losing great AI outputs mid-conversation. I'd get Claude to produce a perfect database schema, then 20 messages later I couldn't find it. Copy-pasting into Notion worked but broke my flow and lost the context. The "aha" moment was realizing that saving isn't enough — you need to be able to bring outputs BACK into new conversations. That's the re-inject feature, and it's what makes PinAI different from every other snippet saver out there. It's completely free and open source. All data stays on your device. I'd love your feedback — especially on what platforms or features to add next.
Wojciech Chrusciel
@studymachinekun but you have chat history in AI tools, do you?
Kun Lu
Hunter

@wojtech You do, but the information you need might be in the middle of a very long chat history, and it's so hard to locate them. PinAI is to only save the AI response which you wanted to follow up or take action on.