09:01
2026-10-15
dev.to
ai-tools
Contextual Retrieval in 80 Lines: Anthropic's Chunk-Prefix Trick, Measured on Your Docs
A developer published an ~80-line Python script that reproduces Anthropic's Contextual Retrieval technique, prepending an LLM-generated context note to each chunk before embedding and BM25 indexing, a…