"Chat with RAG (Retrieval-Augmented Generation)" matching MCP connectors:

Disposable private vector search + semantic RAG for AI agents. x402 pay-per-call, no account.

Stateless NMI + cosine fusion with entropy-driven alpha calibration

Remote ChromaDB vector database MCP server with streamable HTTP transport

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

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