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Sep 6, 2026 · Artificial Intelligence

Vector Databases Aren't Dead: How Claude Code & Cursor Are Redefining RAG for Agents

The article debunks claims that vector databases are obsolete, analyzing how Claude Code and Cursor integrate retrieval into agent runtime loops rather than abandoning RAG, and proposes a five-layer architecture where vector indexes serve as retrieval projections alongside grep, semantic search, and authoritative sources.