Tangled's knot docs ask for "a good Tangled-CLI or something that can put the right things in the git credential helper" for HTTPS push (docs/src/content/docs/knots/index.md:115). atgc pushes over SSH today.
A git-credential-atgc helper would mint knot push tokens for git over HTTPS. That may count as a new credential flow, which needs a maintainer decision before it's built.