diff --git a/Packs/pai-observability-server/src/Observability/manage.sh b/Packs/pai-observability-server/src/Observability/manage.sh
index 33382c6d7..14211126b 100755
--- a/Packs/pai-observability-server/src/Observability/manage.sh
+++ b/Packs/pai-observability-server/src/Observability/manage.sh
@@ -7,6 +7,20 @@ SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 # Ensure bun is in PATH (for apps launched from macOS)
 export PATH="$HOME/.bun/bin:/opt/homebrew/bin:/usr/local/bin:$PATH"
 
+# Auto-install dependencies if missing (check for specific binaries, not just dirs)
+install_deps_if_needed() {
+    # Server needs typescript
+    if [ ! -f "$SCRIPT_DIR/apps/server/node_modules/.bin/tsc" ]; then
+        echo "📦 Installing server dependencies..."
+        (cd "$SCRIPT_DIR/apps/server" && bun install)
+    fi
+    # Client needs vite
+    if [ ! -f "$SCRIPT_DIR/apps/client/node_modules/.bin/vite" ]; then
+        echo "📦 Installing client dependencies..."
+        (cd "$SCRIPT_DIR/apps/client" && bun install)
+    fi
+}
+
 case "${1:-}" in
     start)
         # Check if already running
@@ -15,6 +29,9 @@ case "${1:-}" in
             exit 1
         fi
 
+        # Install dependencies if needed
+        install_deps_if_needed
+
         # Start server (silent)
         cd "$SCRIPT_DIR/apps/server"
         bun run dev >/dev/null 2>&1 &
@@ -92,6 +109,9 @@ case "${1:-}" in
             exit 1
         fi
 
+        # Install dependencies if needed
+        install_deps_if_needed
+
         # Start server detached (for menu bar app use)
         cd "$SCRIPT_DIR/apps/server"
         nohup bun run dev >/dev/null 2>&1 &