This is a submission for the Sanity Challenge, Path One: Ship an Agent That Queries Real Content What I Built License Referee — paste a package.json , a GitHub repo URL, or an npm package name, and it rules on whether every dependency's license can legally combine with your project's, in which direction, under what conditions, and who said so. "Can I use this?" is usually answered by glancing at a license badge, which is wrong in ways that matter. Compatibility is direc...