Mintlify Replaces RAG with Virtual Filesystem Architecture for AI Documentation Assistant

Mintlify announced it replaced Retrieval Augmented Generation (RAG) with a virtual filesystem approach for its AI-powered documentation assistant, reporting improved performance and reliability for documentation queries. The post received 385 upvotes and 147 comments on Hacker News, catalyzing broader technical debate about RAG's limitations in production environments. The discussion reflects intensifying practitioner interest in architectural alternatives to RAG as developers encounter retrieval quality and latency issues at scale.