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The author shares that replacing pre-injected context with a search tool the agent calls on-demand, backed by structured documents in OpenSearch, greatly reduced agent errors and improved traceability.
The article argues against overusing vector search, highlighting BM25's effectiveness for exact keyword matching and its role in hybrid search systems.
A learner-focused hands-on course that teaches building production-grade RAG systems from scratch, covering keyword search, hybrid retrieval, agentic RAG with LangGraph, and Telegram bot integration.