DEV.TO writers, what MD tools do you use?

I started using markdown as my primary document format, but the tools I'm using are very rudimentary. I use VS CODE + MD ext + Grammarly. I wrote a few scripts for cleaning up folders and committing text and images to GitHub. Then I have to copy the text to DEV.TO and other platforms, manually upload images, replace their URLs, preview, etc, etc. It feels harder than it needs to be.

Does anyone have any suggestions on how to make it more streamlined?