---
type: source
title: "Filesystems Replace RAG"
author: "Jerry Liu (@jerryjliu0)"
url: "https://x.com/jerryjliu0/status/2040154840228323468"
date: 2026-04-03
domain: ai-alignment
format: tweet
status: unprocessed
tags: [rag, filesystem, chromafs, mintlify, llamaindex, retrieval]
---

## Content

This is a cool article that shows how to *actually* make filesystems + grep replace a naive RAG implementation. Database + virtual filesystem abstraction + grep is all you need

780 likes, 28 replies. Includes image. Quotes Mintlify/ChromaFS article by Dens Sumesh. Jerry Liu is founder of LlamaIndex.

## Key Points

- Filesystems + grep can replace naive RAG implementations
- Database + virtual filesystem abstraction + grep is sufficient
- Endorsement from LlamaIndex founder of the filesystem-over-RAG approach
- References Mintlify/ChromaFS article as practical demonstration