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add RetainDB — persistent memory SDK for AI agents#100

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Alinxus wants to merge 1 commit intoe2b-dev:mainfrom
Alinxus:add-retaindb
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add RetainDB — persistent memory SDK for AI agents#100
Alinxus wants to merge 1 commit intoe2b-dev:mainfrom
Alinxus:add-retaindb

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@Alinxus Alinxus commented Mar 21, 2026

RetainDB is a persistent memory infrastructure SDK for AI agents. Stores and retrieves memories across sessions with one API call.

  • SOTA on LongMemEval: 88% preference recall, 79% overall accuracy
  • Bidirectional adapter for Vercel AI SDK, LangChain, LangGraph
  • 13ms avg retrieval latency globally
  • Free tier available

Added alphabetically between LangSmith and SID.

https://retaindb.com

@Alinxus Alinxus requested a review from tizkovatereza as a code owner March 21, 2026 00:57
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