I've had good success with very short cover letters. Like 2-5 sentences which basically just lists skills I have that are mentioned in the job post and declarin

I've had good success with very short cover letters. Like 2-5 sentences which basically just lists skills I have that are mentioned in the job post and declaring interest. Basically, "I have x, y, z and I'm inteterested in this thing you're doing because I like whatever"