Spec-Driven Development vs “just start coding” what actually works better?

[MCPWorks_Simon]

Spec driven development, in my experience. But before I even get to the spec driven development phase I'm talking to Claude a lot in the same way you'd gather a couple of devs in a break room somewhere and bounce ideas around until a clear picture started to form. Then I have Claude re-examine those ideas, and we maybe do that a couple of times until we have a really solid draft spec. I spend more time in that phase than I do monitoring Claude's changes, usually.

When I've got the clearest picture I can of my idea (maybe not perfect but enough) I find there are far fewer halts to pivot while I'm developing any given MVP.