Round Cap Monoline

Hello, new to glyphs and working on a round caps monoline font, the monoline works well so far with the offset filter, but I have not found a way to end the lines with a round cap, as in illustrator.

Is that possible?

Cheers

Noodler is what you want. https://github.com/mekkablue/Noodler

Thanks!

Or apply the round corner filter afterwards.