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LLM Memory Storage that scales, easily integrates, and is smart

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I built a super easy to integrate memory storage and retrieval system for NodeJS projects because I saw a need for information to be shared and persisted across LLM chat sessions (and many other LLM feature interactions). I tried to keep the barrier to use as low as possible so I included built-in support for major LLMs (GPT, Gemini, and Claude) as well as major vector store providers (Weaviate and Pinecone). The memory store works by ingesting and automatically extracting “memories” (summarized single bits of information) from LLM interactions and vectorizing those. When you want to provide relevant context back to the LLM (before a new chat session starts or even after every user request) you just pass the conversation context to the recall method and an LLM quickly searches the vector store and returns only the most relevant memories. This way, we don’t run context size issues as the history and number of memories grows but we ensure that the LLM always has access to the most important context.There’s a lot more I could talk about (like the deduping system or the extremely configurable pieces of the system), but I’ll leave it at that and point you to the README if you’d like to learn more! Also check out the dev client if you’d like to test out the memory palace yourself!

HN · launched Mar 16, 2026 · 6 upvotes (top 71%) · 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

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Could you build this?

Yes This is a lightweight Node.js SDK that manages chat session context and vector/key-value storage for LLM conversations using existing embedding models and databases.

Discussion

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Competitors

Other products that read as similar to this one : 195 launches clear the similarity bar, closest 8 shown.

Attention rank: #158 of 196 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 133 days after the earliest competitor.

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