This is a known bug with the slash menu in Glass. Custom skills and commands can intermittently drop out of the / menu and stay missing until you restart. Our team has identified the root cause and a fix is actively being tested.
In the meantime, two faster workarounds than a full restart:
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Developer: Reload Window(Cmd+Shift+P→ type “Reload Window”) — reloads the window without fully quitting Cursor -
Start a new chat — the commands sometimes reappear in a fresh chat within the same window
You may also find this related thread helpful, where we’ve been tracking the same class of issue: Slash command suggestions disappear after conversation starts
Worth noting: even when the commands aren’t visible in the menu, typing the full command name (e.g. /your-command-name) often still works.