you can use command to use skills and actions.
However, you must be have the skill/command already equipped to the action bar.
If you use a skill that require active mode, it will automatically put you in active mode.
So if you have Cure Equipped to action bar (let say 0)
you can use
/ac "Cure" <me>
to use cure on youreslf
/ac "Cure" <p1>
on your first party member.
FFXIV: Karamethien Seraphus
Still a Seraph Samurai Wanna Be
Fishing AF - Complete, SAM AF - Complete, RNG Af - Complete, RDM AF - 1/6