diff --git a/check-for-deprecation.sh b/check-for-deprecation.sh
new file mode 100755
index 0000000..e9ff4b5
--- /dev/null
+++ b/check-for-deprecation.sh
@@ -0,0 +1,21 @@
+#! /bin/sh
+
+OUT_FILE=deprecated.txt
+
+if [ "$1" = "--help" ] || [ "$1" = "-h" ] || [ "$1" = "help" ]; then
+  cat <<EOF
+$ check-for-deprecation.sh
+Check all github apps in the readme for deprecation.
+
+Found deprecated repos are written to: $OUT_FILE
+
+Parallel execution (100% cpu).
+EOF
+  exit
+fi
+
+APPS=$(cat readme.md | grep -e "- \[.\+\]\(.\+\)\s" | grep 'github.com' | awk -F "(" '{ print $2 }' | cut -d ")" -f1)
+
+for i in $(echo $APPS); do
+  echo $(if [[ -n $(curl -SsL "$i" | grep "This repository has been archived by the owner. It is now read-only.") ]]; then echo DEPRECATED $i | tee >>deprecated.txt >(cat /dev/stdin); else echo CHECKED $i | cat /dev/stdin; fi) &
+done