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"How to Query a Knowledge Graph Using an Ontology" matching MCP connectors:

Penfield Memory AOAuth
Persistent memory and knowledge graphs for AI agents. Hybrid search, context checkpoints, and more.
Knowledge & Memory RAG Systems Vector Databases
1716
aipricepatterns A
Historical market memory for AI agents using semantic vector search across years of financial market data. Discover similar market regimes, price patterns, and market context for quantitative research and algorithmic trading.
Finance Vector Databases RAG Systems
121
Amber
Long-term memory for AI assistants. Hybrid retrieval, query expansion, auto-topics.
Knowledge & Memory RAG Systems Vector Databases
1
Contexta
Persistent memory and knowledge graph for AI assistants — keyword + vector + graph search.
Knowledge & Memory RAG Systems Vector Databases
1