diff --git a/app/sbin/ODOO/listModules b/app/sbin/ODOO/listModules
new file mode 100755
index 0000000..c0d673a
--- /dev/null
+++ b/app/sbin/ODOO/listModules
@@ -0,0 +1,121 @@
+#!/bin/bash
+export PATH=/4PROJECTS/bin:$PATH
+CONTAINER_ID="$1"
+_self="$(realpath "${BASH_SOURCE[0]:-$0}")"; SBIN_ROOT="$(dirname "$(dirname "$_self")")"  # parent of ODOO/
+source "$SBIN_ROOT/helpers"
+[ -z "$CONTAINER_ID" ] && die "Usage: $0 <container_id>"
+load_container_config "$CONTAINER_ID"
+get_contract_info
+DB_NAME="${DB_NAME:-$CONTAINER_ID}"
+
+# Query installed modules from database and save CSV in variable
+DB_MODULES_CSV=$(PGPASSWORD="$POSTGRES_ADMIN_PASSWORD" PAGER= psql \
+  -h "$POSTGRES_HOST" \
+  -U "$POSTGRES_ADMIN_USER" \
+  -p "$POSTGRES_PORT" \
+  -d "$DB_NAME" \
+  --csv \
+  -c "
+SELECT 
+    name,
+    latest_version,
+    author,
+    summary
+FROM ir_module_module
+WHERE state = 'installed'
+ORDER BY name;
+")
+
+# Check if container exists and is running
+if ! doas docker ps --format "{{.Names}}" | grep -q "^${CONTAINER_ID}$"; then
+    echo "Error: Container $CONTAINER_ID is not running" >&2
+    exit 1
+fi
+
+# Get addons_path from odoo.conf in container (try multiple possible locations)
+ADDONS_PATH_RAW=""
+for ODOO_CONF in "/etc/odoo.conf" "/etc/odoo/odoo.conf" "/opt/odoo/etc/odoo.conf"; do
+    ADDONS_PATH_RAW=$(doas docker exec "$CONTAINER_ID" grep "^addons_path" "$ODOO_CONF" 2>/dev/null | sed 's/.*=//' | xargs)
+    [ -n "$ADDONS_PATH_RAW" ] && break
+done
+
+# Also check standard Odoo library locations
+ODOO_LIB_PATHS=""
+# Check standard docker installation path
+if doas docker exec "$CONTAINER_ID" test -d "/lib/python3/dist-packages/odoo/addons" 2>/dev/null; then
+    ODOO_LIB_PATHS="/lib/python3/dist-packages/odoo/addons"
+fi
+# Also check other possible locations
+for lib_path in $(doas docker exec "$CONTAINER_ID" find /usr/lib /usr/local/lib -maxdepth 3 -type d -path "*/python3*/site-packages/odoo/addons" 2>/dev/null); do
+    ODOO_LIB_PATHS="$ODOO_LIB_PATHS $lib_path"
+done
+
+# Collect all module directories from filesystem
+FILESYSTEM_MODULES=$(mktemp)
+trap "rm -f $FILESYSTEM_MODULES" EXIT
+
+# Collect from addons_path directories
+if [ -n "$ADDONS_PATH_RAW" ]; then
+    OLD_IFS="$IFS"
+    IFS=',' read -ra ADDPATHS <<< "$ADDONS_PATH_RAW"
+    IFS="$OLD_IFS"
+    for addons_dir in "${ADDPATHS[@]}"; do
+        addons_dir=$(echo "$addons_dir" | xargs)
+        [ -z "$addons_dir" ] && continue
+        
+        # Get all directories in this addons path
+        doas docker exec "$CONTAINER_ID" find "$addons_dir" -maxdepth 1 -type d 2>/dev/null | \
+            sed "s|^$addons_dir/||" | sed "s|^$addons_dir$||" | grep -v "^$" >> "$FILESYSTEM_MODULES"
+    done
+fi
+
+# Also collect from standard Odoo library locations
+if [ -n "$ODOO_LIB_PATHS" ]; then
+    for lib_path in $ODOO_LIB_PATHS; do
+        lib_path=$(echo "$lib_path" | xargs)
+        [ -z "$lib_path" ] && continue
+        
+        # Get all directories in this library path
+        doas docker exec "$CONTAINER_ID" find "$lib_path" -maxdepth 1 -type d 2>/dev/null | \
+            sed "s|^$lib_path/||" | sed "s|^$lib_path$||" | grep -v "^$" >> "$FILESYSTEM_MODULES"
+    done
+fi
+
+# Sort and deduplicate filesystem modules
+sort -u "$FILESYSTEM_MODULES" > "${FILESYSTEM_MODULES}.sorted"
+mv "${FILESYSTEM_MODULES}.sorted" "$FILESYSTEM_MODULES"
+
+# Process database modules and find missing ones
+MISSING_MODULES=$(mktemp)
+trap "rm -f $FILESYSTEM_MODULES $MISSING_MODULES" EXIT
+
+# Process each line from database CSV (skip header)
+echo "$DB_MODULES_CSV" | tail -n +2 | while IFS= read -r line; do
+    [ -z "$line" ] && continue
+    
+    # Extract module name from first CSV field
+    # Handle quoted CSV: extract first field, remove surrounding quotes
+    if echo "$line" | grep -q '^"'; then
+        # First field is quoted - extract between first quote and comma
+        name=$(echo "$line" | sed 's/^"\([^"]*\)".*/\1/')
+    else
+        # First field is not quoted - extract up to first comma
+        name=$(echo "$line" | cut -d',' -f1)
+    fi
+    
+    name=$(echo "$name" | xargs)
+    [ -z "$name" ] && continue
+    
+    # Check if module exists in filesystem
+    if ! grep -Fxq "$name" "$FILESYSTEM_MODULES"; then
+        # Module not found in filesystem - output the full CSV line
+        echo "$line" >> "$MISSING_MODULES"
+    fi
+done
+
+# Output missing modules if any were found
+if [ -s "$MISSING_MODULES" ]; then
+    echo "Missing modules:"
+    echo "$DB_MODULES_CSV" | head -n 1  # Output CSV header
+    cat "$MISSING_MODULES"
+fi