diff --git a/commands/host/1x-lib.sh b/commands/host/1x-lib.sh
index df96548..f5c09b0 100644
--- a/commands/host/1x-lib.sh
+++ b/commands/host/1x-lib.sh
@@ -88,4 +88,18 @@ jq_compat() {
     echo "Error: jq not found and docker is not available. Please install jq or docker." >&2
     return 1
   fi
-}
\ No newline at end of file
+}
+
+# Exit with an error if the token in ~/.npmrc can't pull @dxp or @1xinternet packages.
+check_registry_auth() {
+  local token group
+  token=$(grep -im1 '^//git\.1xinternet\.de.*:_authToken=' ~/.npmrc 2>/dev/null | cut -d= -f2- | tr -d '[:space:]"')
+  # 392 = @dxp, 4 = @1xinternet
+  for group in 392 4; do
+    curl -fsS --max-time 5 -H "PRIVATE-TOKEN: $token" -o /dev/null \
+      "https://git.1xinternet.de/api/v4/groups/$group/packages?package_type=npm&per_page=1" \
+      && continue
+    echo "Error: GitLab token can't pull @dxp or @1xinternet packages." >&2
+    exit 1
+  done
+}
diff --git a/commands/host/1x-playwright-install b/commands/host/1x-playwright-install
index ba6b2ac..f5c24e5 100755
--- a/commands/host/1x-playwright-install
+++ b/commands/host/1x-playwright-install
@@ -59,6 +59,8 @@ if [ -z "$DXP_REGISTRY" ] || [ "$DXP_REGISTRY" = "undefined" ]; then
     exit 1
 fi
 
+check_registry_auth
+
 echo -e "${GREEN}Installing playwright (within DDEV):${NC}"
 
 if [ ! -f "${DDEV_APPROOT}/.ddev/web-build/disabled.Dockerfile.playwright" ]; then
diff --git a/commands/host/1x-token-setup b/commands/host/1x-token-setup
index 230750d..a33e777 100755
--- a/commands/host/1x-token-setup
+++ b/commands/host/1x-token-setup
@@ -152,4 +152,6 @@ ddev exec "cat \$HOME/.npmrc"
 # Restart so everything is fully synced.
 ddev restart
 
+check_registry_auth
+
 echo "Setup complete!"