diff --git a/plugins/flagio/flagio.plugin.zsh b/plugins/flagio/flagio.plugin.zsh
new file mode 100644
index 000000000..b216c462a
--- /dev/null
+++ b/plugins/flagio/flagio.plugin.zsh
@@ -0,0 +1,17 @@
+# Upload files to flag.io
+upload() {
+  local file
+
+  if [ $# -lt 1 ]; then
+    printf 'usage: upload <file> [<file> ...]\n'
+    return 1
+  fi
+
+  for file in $@; do
+    if [ -f "$file" ]; then
+      curl -sT "$file" flag.io | egrep -v '^#'
+    else
+      printf 'File not found: %s\n' "$file"
+    fi
+  done
+}