// RAG
RAG LLM Production AI Embeddings Vector Database Qdrant AI Engineering Chunking Retrieval OpenAI

Why Your RAG Pipeline Fails in Production

Tutorials show RAG working at 95% recall on toy datasets. Production systems hit 60%. The gap isn't the technology — it's three implementation choices that look harmless and aren't.

Rene Fichtmueller / 2026-05-20 / ~2 min read min read
Open Source AI Document Intelligence MCP Paperless-ngx OCR RAG Ollama TypeScript Knowledge Management

PaperCortex: Adding a Brain to Your Document Archive

Paperless-ngx is great at storing documents. It's terrible at understanding them. PaperCortex fixes that.

Rene Fichtmueller / 2026-04-05 / ~1 min read min read