{"type": "article", "title": "I Built RAG From Scratch Before Touching LangChain. Here’s What I Learned.", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/i-built-rag-from-scratch-before-touching-langchain-heres-what-i-learned", "original_source": "https://blog.devgenius.io/i-built-rag-from-scratch-before-touching-langchain-heres-what-i-learned-73a81288d87c?source=rss----4e2c1156667e---4", "published": "2026-07-31T09:12:07+00:00", "accessed": "2026-07-31", "id": "i-built-rag-from-scratch-before-touching-langchain-heres-what-i-learned"}