Why LLM Agents Fail at Backend Code: They Do Not Just Write Code, They Forget Constraints
It is tempting to look at today’s coding agents and believe that backend development is about to become a one-shot prompt. I do not buy it. Not because LLM agents cannot write code. They clearly can. They can add endpoints, patch CRUD flows, generate migrations, update tests, and edit multiple files with impressive speed. The real problem is more annoying: the most important parts of a backend system are often not written in the first line of the ticket. ...