"App Store" matching MCP connectors:

Penfield MemoryAOAuth

io.github.penfieldlabs

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

Stateless NMI + cosine fusion with entropy-driven alpha calibration

Astra DB tools for agents: schema, find, vector search, guarded writes, and interactive views.

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.