AI
Show HN: PMB – local-first memory for AI coding agents over MCP
How it works:
- Storage uses one SQLite database file, plus a local LanceDB index of vectors. No need for a server, cloud services, or any API keys.
- Retrieval is a hybrid approach using BM25 (rank-bm25) and vector-based search (sentence-transformers) combined with a co-occurrence graph of entities, using reciprocal rank fusion. The idea is to find the right memory, not the closest one.
- It plugs into the agent's lifecycle via MCP: before the agent responds, relevant memories are added to its ...
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