Spine v1: Stop Making Claude Rediscover Your Codebase Every Time You Open a Repo

You know this feeling: You open a new repository, read the README, click five files, open the wrong folder, find a second entry point, and ten minutes later you still cannot answer a basic question: What should I read first if I want the real shape of this codebase? That is the moment spine is built for. spine is a small onboarding tool that scans a repository, finds a verified architecture spine, and turns it into something a developer can actually use: a compact architecture map a prioritized