diff --git a/haystack/components/connectors/openapi.py b/haystack/components/connectors/openapi.py
index 1435946e9c..ab0b64b1be 100644
--- a/haystack/components/connectors/openapi.py
+++ b/haystack/components/connectors/openapi.py
@@ -24,26 +24,35 @@ class OpenAPIConnector:
     pass input arguments to this component.
 
     Example:
-    <!-- test-ignore -->
     ```python
+    from unittest.mock import patch, MagicMock
     from haystack.utils import Secret
     from haystack.components.connectors.openapi import OpenAPIConnector
 
-    serper_dev_token = Secret.from_env_var("SERPERDEV_API_KEY")
+    serper_dev_token = Secret.from_token("dummy-key")
 
     def my_custom_config_factory():
         # Create and return a custom configuration for the OpenAPIClient
         pass
 
-    connector = OpenAPIConnector(
-        openapi_spec="https://bit.ly/serperdev_openapi",
-        credentials=serper_dev_token,
-        service_kwargs={"config_factory": my_custom_config_factory()}
-    )
-    response = connector.run(
-        operation_id="search",
-        arguments={"q": "Who was Nikola Tesla?"}
-    )
+    # Mock the OpenAPI client to run without network/dependency constraints in CI
+    with patch("haystack.components.connectors.openapi.OpenAPIClient") as mock_client_class:
+        mock_client = MagicMock()
+        mock_client.invoke.return_value = {"results": [{"title": "Nikola Tesla", "snippet": "Inventor..."}]}
+        mock_client_class.from_spec.return_value = mock_client
+
+        connector = OpenAPIConnector(
+            openapi_spec="https://bit.ly/serperdev_openapi",
+            credentials=serper_dev_token,
+            service_kwargs={"config_factory": my_custom_config_factory()}
+        )
+        response = connector.run(
+            operation_id="search",
+            arguments={"q": "Who was Nikola Tesla?"}
+        )
+        print(response)
+
+    # {'response': {'results': [{'title': 'Nikola Tesla', 'snippet': 'Inventor...'}]}}
     ```
     Note:
     - The `service_kwargs` argument is optional, it can be used to pass additional options to the OpenAPIClient.
diff --git a/haystack/components/converters/file_to_file_content.py b/haystack/components/converters/file_to_file_content.py
index 4de53e8da2..c661af9a3b 100644
--- a/haystack/components/converters/file_to_file_content.py
+++ b/haystack/components/converters/file_to_file_content.py
@@ -22,22 +22,21 @@ class FileToFileContent:
     Converts files to FileContent objects to be included in ChatMessage objects.
 
     ### Usage example
-    <!-- test-ignore -->
     ```python
     from haystack.components.converters import FileToFileContent
+    from haystack.dataclasses import ByteStream
 
     converter = FileToFileContent()
 
-    sources = ["document.pdf", "video.mp4"]
+    sources = [ByteStream(data=b"hello", mime_type="text/plain")]
 
     file_contents = converter.run(sources=sources)["file_contents"]
     print(file_contents)
 
-    # [FileContent(base64_data='...',
-    #              mime_type='application/pdf',
-    #              filename='document.pdf',
-    #              extra={}),
-    #  ...]
+    # [FileContent(base64_data='aGVsbG8=',
+    #              mime_type='text/plain',
+    #              filename=None,
+    #              extra={})]
     ```
     """
 
diff --git a/haystack/components/converters/image/document_to_image.py b/haystack/components/converters/image/document_to_image.py
index 2fd82ef78d..8cd6a651d5 100644
--- a/haystack/components/converters/image/document_to_image.py
+++ b/haystack/components/converters/image/document_to_image.py
@@ -34,31 +34,33 @@ class DocumentToImageContent:
     - For PDF files, a `page_number` key specifying which page to extract
 
     ### Usage example
-    <!-- test-ignore -->
     ```python
     from haystack import Document
     from haystack.components.converters.image.document_to_image import DocumentToImageContent
 
     converter = DocumentToImageContent(
         file_path_meta_field="file_path",
-        root_path="/data/files",
+        root_path="test/test_files",
         detail="high",
         size=(800, 600)
     )
 
     documents = [
-        Document(content="Optional description of image.jpg", meta={"file_path": "image.jpg"}),
-        Document(content="Text content of page 1 of doc.pdf", meta={"file_path": "doc.pdf", "page_number": 1})
+        Document(content="Optional description of apple.jpg", meta={"file_path": "images/apple.jpg"}),
+        Document(
+            content="Text content of page 1 of sample_pdf_1.pdf",
+            meta={"file_path": "pdf/sample_pdf_1.pdf", "page_number": 1}
+        )
     ]
 
     result = converter.run(documents)
     image_contents = result["image_contents"]
     # [ImageContent(
-    #    base64_image='/9j/4A...', mime_type='image/jpeg', detail='high', meta={'file_path': 'image.jpg'}
+    #    base64_image='/9j/4A...', mime_type='image/jpeg', detail='high', meta={'file_path': 'images/apple.jpg'}
     #  ),
     #  ImageContent(
     #    base64_image='/9j/4A...', mime_type='image/jpeg', detail='high',
-    #    meta={'page_number': 1, 'file_path': 'doc.pdf'}
+    #    meta={'page_number': 1, 'file_path': 'pdf/sample_pdf_1.pdf'}
     #  )]
     ```
     """
diff --git a/haystack/components/embedders/openai_document_embedder.py b/haystack/components/embedders/openai_document_embedder.py
index 1d3626c3c2..f8b76cc363 100644
--- a/haystack/components/embedders/openai_document_embedder.py
+++ b/haystack/components/embedders/openai_document_embedder.py
@@ -24,18 +24,28 @@ class OpenAIDocumentEmbedder:
     Computes document embeddings using OpenAI models.
 
     ### Usage example
-    <!-- test-ignore -->
     ```python
+    from unittest.mock import patch, MagicMock
     from haystack import Document
+    from haystack.utils import Secret
     from haystack.components.embedders import OpenAIDocumentEmbedder
 
-    doc = Document(content="I love pizza!")
-    document_embedder = OpenAIDocumentEmbedder()
-    result = document_embedder.run([doc])
-
-    print(result['documents'][0].embedding)
-
-    # [0.017020374536514282, -0.023255806416273117, ...]
+    # Mock OpenAI client so that it runs without keys or network calls in CI
+    with patch("haystack.components.embedders.openai_document_embedder.OpenAI") as mock_openai:
+        mock_client = MagicMock()
+        mock_response = MagicMock()
+        mock_response.data = [MagicMock(embedding=[0.017020374536514282, -0.023255806416273117])]
+        mock_response.model = "text-embedding-ada-002-v2"
+        mock_response.usage = {"prompt_tokens": 4, "total_tokens": 4}
+        mock_client.embeddings.create.return_value = mock_response
+        mock_openai.return_value = mock_client
+
+        doc = Document(content="I love pizza!")
+        document_embedder = OpenAIDocumentEmbedder(api_key=Secret.from_token("dummy-key"))
+        result = document_embedder.run([doc])
+        print(result['documents'][0].embedding)
+
+    # [0.017020374536514282, -0.023255806416273117]
     ```
     """
 
diff --git a/haystack/components/embedders/openai_text_embedder.py b/haystack/components/embedders/openai_text_embedder.py
index 24672bb050..213d029c5c 100644
--- a/haystack/components/embedders/openai_text_embedder.py
+++ b/haystack/components/embedders/openai_text_embedder.py
@@ -21,16 +21,26 @@ class OpenAITextEmbedder:
     You can use it to embed user query and send it to an embedding Retriever.
 
     ### Usage example
-    <!-- test-ignore -->
     ```python
+    from unittest.mock import patch, MagicMock
+    from haystack.utils import Secret
     from haystack.components.embedders import OpenAITextEmbedder
 
-    text_to_embed = "I love pizza!"
-    text_embedder = OpenAITextEmbedder()
-
-    print(text_embedder.run(text_to_embed))
-
-    # {'embedding': [0.017020374536514282, -0.023255806416273117, ...],
+    # Mock OpenAI client so that it runs without keys or network calls in CI
+    with patch("haystack.components.embedders.openai_text_embedder.OpenAI") as mock_openai:
+        mock_client = MagicMock()
+        mock_response = MagicMock()
+        mock_response.data = [MagicMock(embedding=[0.017020374536514282, -0.023255806416273117])]
+        mock_response.model = "text-embedding-ada-002-v2"
+        mock_response.usage = {"prompt_tokens": 4, "total_tokens": 4}
+        mock_client.embeddings.create.return_value = mock_response
+        mock_openai.return_value = mock_client
+
+        text_to_embed = "I love pizza!"
+        text_embedder = OpenAITextEmbedder(api_key=Secret.from_token("dummy-key"))
+        print(text_embedder.run(text_to_embed))
+
+    # {'embedding': [0.017020374536514282, -0.023255806416273117],
     # 'meta': {'model': 'text-embedding-ada-002-v2',
     #          'usage': {'prompt_tokens': 4, 'total_tokens': 4}}}
     ```
diff --git a/haystack/components/embedders/sentence_transformers_document_embedder.py b/haystack/components/embedders/sentence_transformers_document_embedder.py
index 252111783b..ab674d4782 100644
--- a/haystack/components/embedders/sentence_transformers_document_embedder.py
+++ b/haystack/components/embedders/sentence_transformers_document_embedder.py
@@ -25,17 +25,25 @@ class SentenceTransformersDocumentEmbedder:
     and send them to DocumentWriter to write into a Document Store.
 
     ### Usage example:
-    <!-- test-ignore -->
     ```python
+    from unittest.mock import patch, MagicMock
+    import haystack.components.embedders.backends.sentence_transformers_backend as stb
     from haystack import Document
     from haystack.components.embedders import SentenceTransformersDocumentEmbedder
-    doc = Document(content="I love pizza!")
-    doc_embedder = SentenceTransformersDocumentEmbedder()
 
-    result = doc_embedder.run([doc])
-    print(result['documents'][0].embedding)
+    # Mock the embedding backend so we don't download any models in CI
+    with patch.object(stb, "_SentenceTransformersEmbeddingBackendFactory") as mock_factory:
+        mock_backend = MagicMock()
+        mock_backend.embed.return_value = [[0.1, 0.2, 0.3]]
+        mock_factory.get_embedding_backend.return_value = mock_backend
 
-    # [-0.07804739475250244, 0.1498992145061493, ...]
+        doc = Document(content="I love pizza!")
+        doc_embedder = SentenceTransformersDocumentEmbedder()
+
+        result = doc_embedder.run([doc])
+        print(result['documents'][0].embedding)
+
+    # [0.1, 0.2, 0.3]
     ```
     """
 
diff --git a/haystack/components/embedders/sentence_transformers_text_embedder.py b/haystack/components/embedders/sentence_transformers_text_embedder.py
index 3285fab5d0..58c917e168 100644
--- a/haystack/components/embedders/sentence_transformers_text_embedder.py
+++ b/haystack/components/embedders/sentence_transformers_text_embedder.py
@@ -21,17 +21,22 @@ class SentenceTransformersTextEmbedder:
     You can use it to embed user query and send it to an embedding retriever.
 
     Usage example:
-    <!-- test-ignore -->
     ```python
+    from unittest.mock import patch, MagicMock
+    import haystack.components.embedders.backends.sentence_transformers_backend as stb
     from haystack.components.embedders import SentenceTransformersTextEmbedder
 
-    text_to_embed = "I love pizza!"
+    # Mock the embedding backend so we don't download any models in CI
+    with patch.object(stb, "_SentenceTransformersEmbeddingBackendFactory") as mock_factory:
+        mock_backend = MagicMock()
+        mock_backend.embed.return_value = [[0.1, 0.2, 0.3]]
+        mock_factory.get_embedding_backend.return_value = mock_backend
 
-    text_embedder = SentenceTransformersTextEmbedder()
+        text_to_embed = "I love pizza!"
+        text_embedder = SentenceTransformersTextEmbedder()
+        print(text_embedder.run(text_to_embed))
 
-    print(text_embedder.run(text_to_embed))
-
-    # {'embedding': [-0.07804739475250244, 0.1498992145061493,, ...]}
+    # {'embedding': [0.1, 0.2, 0.3]}
     ```
     """
 
diff --git a/haystack/components/extractors/named_entity_extractor.py b/haystack/components/extractors/named_entity_extractor.py
index a971f48254..a2e76b1d23 100644
--- a/haystack/components/extractors/named_entity_extractor.py
+++ b/haystack/components/extractors/named_entity_extractor.py
@@ -89,19 +89,38 @@ class NamedEntityExtractor:
     in the documents.
 
     Usage example:
-    <!-- test-ignore -->
     ```python
+    from unittest.mock import patch, MagicMock
     from haystack import Document
-    from haystack.components.extractors.named_entity_extractor import NamedEntityExtractor
-
-    documents = [
-        Document(content="I'm Merlin, the happy pig!"),
-        Document(content="My name is Clara and I live in Berkeley, California."),
-    ]
-    extractor = NamedEntityExtractor(backend="hugging_face", model="dslim/bert-base-NER")
-    results = extractor.run(documents=documents)["documents"]
-    annotations = [NamedEntityExtractor.get_stored_annotations(doc) for doc in results]
-    print(annotations)
+    from haystack.components.extractors.named_entity_extractor import NamedEntityExtractor, NamedEntityAnnotation
+
+    # Mock the HF backend to avoid downloading any model or requiring dependencies in CI
+    with patch("haystack.components.extractors.named_entity_extractor._HfBackend") as mock_hf_backend:
+        mock_instance = MagicMock()
+        mock_instance.initialized = True
+        mock_instance.annotate.return_value = [
+            [NamedEntityAnnotation(entity="PER", start=4, end=10, score=0.99)],
+            [
+                NamedEntityAnnotation(entity="PER", start=11, end=16, score=0.99),
+                NamedEntityAnnotation(entity="LOC", start=31, end=39, score=0.99),
+                NamedEntityAnnotation(entity="LOC", start=41, end=51, score=0.99)
+            ]
+        ]
+        mock_hf_backend.return_value = mock_instance
+
+        documents = [
+            Document(content="I'm Merlin, the happy pig!"),
+            Document(content="My name is Clara and I live in Berkeley, California."),
+        ]
+        extractor = NamedEntityExtractor(backend="hugging_face", model="dslim/bert-base-NER")
+        results = extractor.run(documents=documents)["documents"]
+        annotations = [NamedEntityExtractor.get_stored_annotations(doc) for doc in results]
+        print(annotations)
+
+    # [[NamedEntityAnnotation(entity='PER', start=4, end=10, score=0.99)],
+    #  [NamedEntityAnnotation(entity='PER', start=11, end=16, score=0.99),
+    #   NamedEntityAnnotation(entity='LOC', start=31, end=39, score=0.99),
+    #   NamedEntityAnnotation(entity='LOC', start=41, end=51, score=0.99)]]
     ```
     """
 
diff --git a/releasenotes/notes/run-docstring-code-snippets-ea7d9ac5b67751dd.yaml b/releasenotes/notes/run-docstring-code-snippets-ea7d9ac5b67751dd.yaml
new file mode 100644
index 0000000000..051d0380e8
--- /dev/null
+++ b/releasenotes/notes/run-docstring-code-snippets-ea7d9ac5b67751dd.yaml
@@ -0,0 +1,4 @@
+---
+fixes:
+  - |
+    Enable more docstring code snippets to run in CI by removing ignore-test/test-ignore markers and resolving local execution prerequisites via mock patching and local test fixtures.