This is a vim plugin that provides CloudFormation syntax checking/highlighting. This requires the Syntastic plugin and cfn-lint.
Install with vundle
Add to your ~/.vimrc:
Plugin 'speshak/vim-cfn'
Then run
vim +PluginInstall +qall
Add the following to ~/.vim/after/plugin/syntastic.vim:
let g:syntastic_cloudformation_checkers = ['cfn_lint']