"Understanding Persistent Memory in Cursor Functionality" matching MCP connectors:

Penfield MemoryAOAuth

io.github.penfieldlabs

Persistent memory and knowledge graphs for AI agents. Hybrid search, context checkpoints, and more.

aipricepatternsA

com.aipricepatterns

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.

Shared cross-LLM long-term memory over MCP: semantic recall, sessions, and media (pgvector).

AmberOAuth

com.ambermem

Long-term memory for AI assistants. Hybrid retrieval, query expansion, auto-topics.

NeuroStack

io.github.raphasouthall

Token-efficient MCP memory for Markdown vaults. Tiered search, GraphRAG, AI memories.

MemoryOracle - 10 agent memory tools: vector store, recall, summarization, redaction.

Vector RAG store for Word/Excel/PDF/PowerPoint. Break-even pricing, $5 per 5,700 pages.

NeuralBrain MCP Server - RAG, Vector Memory, LLM Routing, Agent Identity, x402 Payments

Persistent memory and vector search for AI agents. Hosted, OAuth-protected via Google sign-in.

Persistent memory and knowledge graph for AI assistants — keyword + vector + graph search.

Same functionality, consuming only 1/20 of the context window tokens.