A knot-diagram craft studio with a closed cord, editable routing, actual segment intersections, over/under crossing switches, traversal feedback and saved diagrams. Source: https://github.com/jonobr1/two.js (MIT). Metadata tags: github-source, game.

over-under-knot-bench.skillsafe.ai

Run app here

PricingCompletely free

Security scanClean — skill and frontend scanned

Source jonobr1/two.js

Created2026-10-30

Updated2026-10-30

Every public app is built from a security-scanned skill and must pass a clean scan — skill and frontend — before it can be listed. Have a skill of your own? Turn it into an app — or read the step-by-step walkthrough.