3 tagged cognitive-memory, measured the same way as everything else here.
MCP server Claude CodeCodexCursor +2
YantrikDB — Cognitive memory for AI agents. Persistent semantic recall, knowledge graph, contradiction detection, and procedural learning. Ships as embeddable engine, network database, or MCP server. Runs locally from the yantrikdb-mcp Python package.
MCP server Claude CodeCodexCursor +2
Persistent cloud memory for Ai coding assistants. 29 MCP tools. Encrypted at rest. Runs locally from the cogmemai-mcp npm package. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor
Cognitive memory system with hybrid retrieval, entity graphs, and memory lifecycle. 98.1% R@5 on LongMemEval. Runs locally from the engram-memory-system Python package.