Metadata Filtering Before Vector Search: The Recall Win Nobody Measures (opens in new tab)

Book: RAG Pocket Guide: Retrieval, Chunking, and Reranking Patterns for Production Also by me: Thinking in Go (2-book series) — Complete Guide to Go Programming + Hexagonal Architecture in Go My project: Hermes IDE | GitHub — an IDE for developers who ship with Claude Code and other AI coding tools Me: xgabriel.com | GitHub A support agent asks the bot a question about a customer's enterprise contract. The bot retrieves the top 10 chunks by cosine similarity across the whole corpus. Two of th...