diff --git a/.github/workflows/build-reusable.yml b/.github/workflows/build-reusable.yml
index b2323a3..8bec3ed 100644
--- a/.github/workflows/build-reusable.yml
+++ b/.github/workflows/build-reusable.yml
@@ -278,6 +278,7 @@ jobs:
       - name: Run tests with pytest
         env:
           CI: true
+          LEANN_SKIP_COMPAT: 1
           OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
           HF_HUB_DISABLE_SYMLINKS: 1
           TOKENIZERS_PARALLELISM: false
diff --git a/packages/leann-core/src/leann/embedding_server_manager.py b/packages/leann-core/src/leann/embedding_server_manager.py
index 2432325..5ee8f08 100644
--- a/packages/leann-core/src/leann/embedding_server_manager.py
+++ b/packages/leann-core/src/leann/embedding_server_manager.py
@@ -215,10 +215,23 @@ class EmbeddingServerManager:
             logger.info("Detected Colab environment, using alternative startup strategy")
             return self._start_server_colab(port, model_name, embedding_mode, **kwargs)
 
-        # Find a compatible port or next available
-        actual_port, is_compatible = _find_compatible_port_or_next_available(
-            port, model_name, passages_file
+        # In CI or when explicitly requested, skip compatibility scanning to avoid slow/hanging proc scans
+        skip_compat = (
+            os.environ.get("LEANN_SKIP_COMPAT", "").lower() in {"1", "true", "yes"}
+            or os.environ.get("CI") == "true"
         )
+        if skip_compat:
+            try:
+                actual_port = _get_available_port(port)
+                is_compatible = False
+            except RuntimeError:
+                logger.error("No available ports found")
+                return False, port
+        else:
+            # Find a compatible port or next available (may scan processes)
+            actual_port, is_compatible = _find_compatible_port_or_next_available(
+                port, model_name, passages_file
+            )
 
         if is_compatible:
             logger.info(f"Found compatible server on port {actual_port}")