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Turnbook

Local long-term memory shared by all your AI agents

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Turnbook keeps every conversation with your AI agents word for word on your own PC and shares it across all of them over MCP. Saving costs zero model tokens; a question gets back ~3k tokens of evidence. 88.8% on LongMemEval. Free and open source.

PH · launched Oct 28, 2026 · 1 upvote (top 67%) · 0 views

Niche: ai agent memory infrastructure · 350 launches, 11 in the last 7 days ▼ -58% · Explore this niche →

Category and tags

  • Horizontal
  • Data infrastructure
  • Developer
  • AI-native
  • Commercial product
  • Open Source
  • Developer Tools
  • Artificial Intelligence
  • GitHub

Visit website ↗ Source listing ↗

Could you build this?

Yes A local conversation store with embeddings and retrieval exposed over MCP is buildable with off-the-shelf vector search and the MCP SDK, though benchmark-level scores take tuning.

Competitors

Other products that read as similar to this one : 132 launches clear the similarity bar, closest 8 shown.

Attention rank: #94 of 133 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 344 days after the earliest competitor.

The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.