YourMemory
Persistent memory layer for AI agents — MCP-compatible, self-hostable
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YourMemory gives AI assistants persistent memory that survives across sessions. It mixes BM25, vector retrieval, and a knowledge graph behind a hybrid layer, then applies biologically-inspired decay so old facts fade and recent ones stick.
The benchmark numbers are strong: 89.4% Recall@5 on LongMemEval. The MCP server plugs into Claude, Cursor, Cline, and any other MCP-compatible client without changing your prompt.
Open source under CC-BY-NC, self-hostable on Linux, macOS, or Windows. No vendor account required.