AI Engineering

Oct 5, 2026 · Artificial Intelligence

Why AI Agents Need Documentation, Not Memory: A Critique of RAG-Based Memory Plugins

The article critiques typical RAG-based memory plugins for AI agents, highlighting five fundamental flaws—similarity retrieval ignores correctness, fragments lose context, outdated facts persist, agents cannot recognize knowledge gaps, and storage is unauditable—and proposes a documentation-centric approach where agents read and write Markdown files in a structured workspace, exemplified by the open-source Operator Memory plugin.