A GOOD AGENTS.MD IS A MODEL UPGRADE. A BAD ONE IS WORSE THAN NO DOCS AT ALL

Summary from the TLDR AI newsletter

Most of what people put in AGENTS.md either doesn't help or actively hurts. The patterns that work are specific and learnable. This to post looks at which patterns work, which fail, and how to tell which is which for your codebase. Different patterns move different metrics, so pick patterns that target the problem you actually have.