diff --git a/mkfile b/mkfile
index 1bf0947..7155dc1 100755
--- a/mkfile
+++ b/mkfile
@@ -48,7 +48,8 @@ scripts:V:
 	cp -f scripts/b/cleanup $HOME/.config/ollie/scripts/b/cleanup
 	cp -f scripts/u/optimize $HOME/.config/ollie/scripts/u/optimize
 	cp -f scripts/x/elevate $HOME/.config/ollie/scripts/x/elevate
-	chmod 755 $HOME/.config/ollie/scripts/u/optimize $HOME/.config/ollie/scripts/x/elevate
+	cp -f scripts/x/bd     $HOME/.config/ollie/scripts/x/bd
+	chmod 755 $HOME/.config/ollie/scripts/u/optimize $HOME/.config/ollie/scripts/x/elevate $HOME/.config/ollie/scripts/x/bd
 
 help:V:
 	echo 'Ollie monorepo build targets:'
diff --git a/scripts/x/bd b/scripts/x/bd
new file mode 100644
index 0000000..0820e1b
--- /dev/null
+++ b/scripts/x/bd
@@ -0,0 +1,14 @@
+#!/bin/bash
+# Wrapper for bd that resolves BEADS_DIR by walking up from CWD when unset.
+# Placed in $OLLIE/x/ so it shadows the real bd on PATH for tool subprocesses.
+if [ -z "$BEADS_DIR" ]; then
+    dir="$PWD"
+    while [ "$dir" != "/" ]; do
+        if [ -d "$dir/.beads" ]; then
+            export BEADS_DIR="$dir/.beads"
+            break
+        fi
+        dir="$(dirname "$dir")"
+    done
+fi
+exec "$HOME/.local/bd" "$@"