diff --git a/tools/expand_graph_paths.sh b/tools/expand_graph_paths.sh
new file mode 100644
index 0000000000..78f464d055
--- /dev/null
+++ b/tools/expand_graph_paths.sh
@@ -0,0 +1,41 @@
+#!/bin/bash
+
+PASSNET_DIR="/path/to/passnet/repo/"
+
+INPUT_LISTS=(
+    "${PASSNET_DIR}/sample_lists/hf_typical_samples_v2.txt"
+    "${PASSNET_DIR}/sample_lists/hf_sole_op_samples_v2.txt"
+    "${PASSNET_DIR}/sample_lists/hf_fusible_samples_v2.txt"
+)
+
+if [ ! -d "$PASSNET_DIR" ]; then
+    echo "Error: base directory $PASSNET_DIR not found"
+    exit 1
+fi
+
+for INPUT_LIST in "${INPUT_LISTS[@]}"; do
+    BASENAME=$(basename "$INPUT_LIST" .txt)
+    OUTPUT_FILE="${BASENAME}_all_expanded.txt"
+    > "$OUTPUT_FILE"
+
+    echo "Processing $INPUT_LIST ..."
+
+    count=0
+    while IFS= read -r rel_path || [ -n "$rel_path" ]; do
+        clean_rel_path=$(echo "$rel_path" | tr -d '\r' | xargs)
+        [ -z "$clean_rel_path" ] && continue
+
+        TARGET_FILE="${PASSNET_DIR}/${clean_rel_path}/graph_list.txt"
+
+        if [ -f "$TARGET_FILE" ]; then
+            cat "$TARGET_FILE" >> "$OUTPUT_FILE"
+            ((count++))
+        else
+            echo "Skipped: $TARGET_FILE not found"
+        fi
+    done < "$INPUT_LIST"
+
+    echo "Done: $count directories processed -> $(pwd)/$OUTPUT_FILE"
+done
+
+echo "All tasks completed."