Memory Vault

Self-hosted memory database for AI applications with hybrid search.

Servicefree

Memory Vault is a self-hosted memory database for AI applications, built on Postgres and pgvector with hybrid semantic and keyword search and a knowledge graph. It lets Claude or ChatGPT recall and store memories like decisions, notes, and project context during any session via MCP, or via a REST API for custom tools. It's aimed at developers who want AI assistants to remember context across sessions instead of starting from zero each time.

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Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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