Have an unsigned .shortcut file from another tool? Shortcuty Signer gives you a signed copy you can open in Apple Shortcuts.
Choose the file or drop it on the upload area, select Sign shortcut, then download the signed copy.
Try the signed shortcut
Open the signed download in Apple Shortcuts to add it to your library.
Studio signs its own downloads automatically. Use Signer for unsigned files made elsewhere.
Building a tool?
Developers can also sign files through the Signing API.