Using Keyboard Maestro to paste text from your clipboard to Drafts on iOS via Pushover. The Keyboard Maestro action will send a link to Pushover that will open the text in Drafts. The amount of text you can send is limited by the Pushover API.

screenshot.md

send_clipboard_to_pushover.sh

rawurlencode() {
  local string="${1}"
  local strlen=${#string}
  local encoded=""

  for (( pos=0 ; pos<strlen ; pos++ )); do
     c=${string:$pos:1}
     case "$c" in
        [-_.~a-zA-Z0-9] ) o="${c}" ;;
        * )               printf -v o '%%%02x' "'$c"
     esac
     encoded+="${o}"
  done
  REPLY="${encoded}"  
}
clip=$(pbpaste)
rawurlencode "$clip" 
curl -s \
    -F "token=YOUR_TOKEN" \
    -F "user=YOUR_PUSHOVER_USER" \
    -F "message=New text from your Mac" \
    -F "url=drafts://x-callback-url/create?text=$REPLY" \
    -F "device=iphone" \
    https://api.pushover.net/1/messages.json

In Pushover: