Your AGENTS.md Should Not Look the Same Everywhere

AI coding agents need context, and that part is obvious by now. What is less obvious is that context quality is only half the problem. The other half is context shape. An instruction file that works well in one repository, one harness, or one workflow can be the wrong format for another. A dense single file may be perfect for one setup and awkward for another. A concise operational doc may be ideal in one environment and too shallow in another. A multifile structure may dramatically improve retrieval in one workflow while feeling unnecessary in a smaller repo.