diff --git a/tools/addspdx.sh b/tools/addspdx.sh
new file mode 100644
index 0000000..434b90f
--- /dev/null
+++ b/tools/addspdx.sh
@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+set -euo pipefail
+shopt -s nullglob
+for f in scripts/*.py; do
+  if ! grep -q "SPDX-License-Identifier: MIT" "$f"; then
+    # prepend the line (portable)
+    tmp="$(mktemp)"
+    printf '# SPDX-License-Identifier: MIT\n' > "$tmp"
+    cat "$f" >> "$tmp"
+    mv "$tmp" "$f"
+  fi
+done
diff --git a/tools/syncdev.sh b/tools/syncdev.sh
new file mode 100644
index 0000000..522716d
--- /dev/null
+++ b/tools/syncdev.sh
@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+set -euo pipefail
+git checkout dev
+git fetch origin
+git reset --hard origin/main
+git push -f origin dev