diff --git a/tests/backend/test_ai.py b/tests/backend/test_ai.py
index 0828062e2..b569f1a22 100644
--- a/tests/backend/test_ai.py
+++ b/tests/backend/test_ai.py
@@ -40,11 +40,33 @@
 ```
 """
 
+from datetime import datetime
 from unittest.mock import AsyncMock, MagicMock, patch
 
 import httpx
 import pytest
-from writer.ai import Conversation, WriterAIManager, complete, init, stream_complete
+from writer.ai import (
+    Conversation,
+    File,
+    FileDeleteResponse,
+    Graph,
+    GraphDeleteResponse,
+    GraphRemoveFileFromGraphResponse,
+    SDKFile,
+    SDKGraph,
+    WriterAIManager,
+    complete,
+    create_graph,
+    delete_file,
+    delete_graph,
+    init,
+    list_files,
+    list_graphs,
+    retrieve_file,
+    retrieve_graph,
+    stream_complete,
+    upload_file,
+)
 from writerai import Writer
 from writerai._streaming import Stream
 from writerai.types import Chat, ChatStreamingData, Completion, StreamingData
@@ -116,6 +138,73 @@ def fake_response_content():
         yield streaming_client
 
 
+@pytest.fixture
+def sdk_graph_mock():
+    return SDKGraph(
+        id="test_graph_id",
+        created_at=datetime.now(),
+        file_status={"completed": 0, "failed": 0, "in_progress": 0, "total": 0},
+        name="test_graph",
+        description="A test graph"
+    )
+
+
+@pytest.fixture
+def sdk_file_mock():
+    return SDKFile(
+        id="test_file_id",
+        created_at=datetime.now(),
+        graph_ids=["test_graph_id"],
+        name="test_file"
+    )
+
+
+@pytest.fixture
+def mock_graphs_accessor(sdk_file_mock, sdk_graph_mock):
+    with patch('writer.ai.Graph._retrieve_graphs_accessor') as mock_acquire_client:
+        mock_accessor = MagicMock()
+        mock_graph = Graph(sdk_graph_mock)
+        mock_file = File(sdk_file_mock)
+        mock_accessor.create.return_value = mock_graph
+        mock_accessor.add_file_to_graph.return_value = mock_file
+        mock_accessor.retrieve.return_value = mock_graph
+        mock_accessor.list.return_value = [mock_graph]
+        mock_accessor.delete.return_value = GraphDeleteResponse(id="test_file_id", deleted=True)
+        mock_accessor.remove_file_from_graph.return_value = GraphRemoveFileFromGraphResponse(id="test_file_id", deleted=True)
+
+        mock_acquire_client.return_value = mock_accessor
+        yield mock_accessor
+
+
+@pytest.fixture
+def mock_files_accessor(sdk_file_mock):
+    with patch('writer.ai.File._retrieve_files_accessor') as mock_acquire_client:
+        mock_accessor = MagicMock()
+        mock_file = File(sdk_file_mock)
+        mock_accessor.retrieve.return_value = mock_file
+        mock_accessor.list.return_value = [mock_file]
+        mock_accessor.upload.return_value = mock_file
+        mock_accessor.delete.return_value = FileDeleteResponse(id="test_delete", deleted=True)
+        mock_acquire_client.return_value = mock_accessor
+        yield mock_accessor
+
+
+@pytest.fixture
+def created_graphs():
+    graphs = []
+    yield graphs
+    for graph in graphs:
+        delete_graph(graph_id_or_graph=graph.id)
+
+
+@pytest.fixture
+def created_files():
+    files = []
+    yield files
+    for file in files:
+        delete_file(file_id_or_file=file.id)
+
+
 class FakeAppProcessForAIManager:
     def __init__(self, token):
         self.ai_manager = WriterAIManager(token=token)
@@ -295,6 +384,92 @@ def test_init_writer_ai_manager(emulate_app_process):
     assert manager.client.api_key == "fake_token"
 
 
+def test_create_graph(mock_graphs_accessor):
+    graph = create_graph(name="test_graph", description="A test graph")
+
+    # As we modified SDK response, we expect this function
+    # to retrieve mock we prepared earlier
+    assert graph.id == "test_graph_id"
+    assert graph.name == "test_graph"
+
+
+def test_retrieve_graph(mock_graphs_accessor):
+    graph = retrieve_graph(graph_id="test_id")
+
+    # As we modified SDK response, we expect this function
+    # to retrieve mock we prepared earlier
+    assert graph.id == "test_graph_id"
+    assert graph.name == "test_graph"
+
+
+def test_list_graphs(mock_graphs_accessor):
+    graphs = list_graphs()
+
+    # As we modified SDK response, we expect this function
+    # to retrieve mock we prepared earlier
+    assert len(graphs) == 1
+    assert graphs[0].id == "test_graph_id"
+    assert graphs[0].name == "test_graph"
+
+
+def test_delete_graph(mock_graphs_accessor):
+    response = delete_graph(graph_id_or_graph="test_graph_id")
+
+    # As we modified SDK response, we expect this function
+    # to retrieve mock we prepared earlier
+    assert response.deleted is True
+
+
+def test_add_file_to_graph(mock_graphs_accessor, mock_files_accessor):
+    file = retrieve_file(file_id="test_file_id")
+    graph = retrieve_graph(graph_id="test_graph_id")
+    added_file = graph.add_file(file_id_or_file=file)
+
+    # As we modified SDK response, we expect this function
+    # to retrieve mock we prepared earlier
+    assert added_file.id == "test_file_id"
+    assert added_file.name == "test_file"
+    # Graph update should also trigger addition of its ID to stale_ids set
+    assert "test_graph_id" in Graph.stale_ids
+
+
+def test_retrieve_file(mock_files_accessor):
+    file = retrieve_file(file_id="test_file_id")
+
+    # As we modified SDK response, we expect this function
+    # to retrieve mock we prepared earlier
+    assert file.id == "test_file_id"
+    assert file.name == "test_file"
+
+
+def test_list_files(mock_files_accessor):
+    files = list_files()
+
+    # As we modified SDK response, we expect this function
+    # to retrieve mock we prepared earlier
+    assert len(files) == 1
+    assert files[0].id == "test_file_id"
+    assert files[0].name == "test_file"
+
+
+def test_upload_file(mock_files_accessor):
+    data = b"file_content"
+    file = upload_file(data=data, type="text/plain", name="uploaded_file")
+
+    # As we modified SDK response, we expect this function
+    # to retrieve mock we prepared earlier
+    assert file.id == "test_file_id"
+    assert file.name == "test_file"
+
+
+def test_delete_file(mock_files_accessor):
+    response = delete_file(file_id_or_file="test_file_id")
+
+    # As we modified SDK response, we expect this function
+    # to retrieve mock we prepared earlier
+    assert response.deleted is True
+
+
 @explicit
 def test_explicit_conversation_complete(emulate_app_process):
     conversation = Conversation()
@@ -341,3 +516,90 @@ async def test_explicit_stream_complete(emulate_app_process):
     assert isinstance(full_response, str)
     assert len(full_response) > 0
     assert "exercise" in full_response.lower()
+
+
+@explicit
+def test_explicit_create_graph(emulate_app_process, created_graphs):
+    graph = create_graph(name="integration_test_graph", description="Integration test graph")
+    created_graphs.append(graph)
+    assert graph.id is not None
+    assert graph.name == "integration_test_graph"
+
+
+@explicit
+def test_explicit_retrieve_graph(emulate_app_process, created_graphs):
+    created_graph = create_graph(name="integration_test_graph", description="Integration test graph")
+    created_graphs.append(created_graph)
+    graph = retrieve_graph(graph_id=created_graph.id)
+
+    assert graph.id == created_graph.id
+    assert graph.name == created_graph.name
+
+
+@explicit
+def test_explicit_list_graphs(emulate_app_process, created_graphs):
+    # Create a graph to ensure there's at least one graph in the list
+    graph = create_graph(name="integration_test_graph", description="Integration test graph")
+    created_graphs.append(graph)
+
+    graphs = list_graphs()
+
+    assert len(graphs) > 0
+    assert any(g.id == graph.id for g in graphs)
+
+
+@explicit
+def test_explicit_delete_graph(emulate_app_process, created_graphs):
+    created_graph = create_graph(name="integration_test_graph", description="Integration test graph")
+    created_graphs.append(created_graph)
+    response = delete_graph(graph_id_or_graph=created_graph.id)
+
+    # Ensure the graph is removed from created_graphs
+    created_graphs.remove(created_graph)
+
+    assert response.deleted is True
+
+
+@explicit
+def test_explicit_upload_file(emulate_app_process, created_files):
+    data = b"file_content"
+    file = upload_file(data=data, type="text/plain", name="integration_uploaded_file")
+    created_files.append(file)
+
+    assert file.id is not None
+    assert file.name == "integration_uploaded_file.txt"
+
+
+@explicit
+def test_explicit_retrieve_file(emulate_app_process, created_files):
+    uploaded_file = upload_file(data=b"file_content", type="text/plain", name="integration_uploaded_file")
+    created_files.append(uploaded_file)
+    file = retrieve_file(file_id=uploaded_file.id)
+
+    assert file.id == uploaded_file.id
+    assert file.name == uploaded_file.name
+
+
+@explicit
+def test_explicit_list_files(emulate_app_process, created_files):
+    # Upload a file to ensure there's at least one file in the list
+    data = b"file_content"
+    file = upload_file(data=data, type="text/plain", name="integration_uploaded_file")
+    created_files.append(file)
+
+    files = list_files()
+
+    assert len(files) > 0
+    assert any(f.id == file.id for f in files)
+
+
+@explicit
+def test_explicit_delete_file(emulate_app_process, created_files):
+    uploaded_file = upload_file(data=b"file_content", type="text/plain", name="integration_uploaded_file")
+    created_files.append(uploaded_file)
+    response = delete_file(file_id_or_file=uploaded_file.id)
+
+    # Ensure the file is removed from created_files
+    created_files.remove(uploaded_file)
+
+    assert response.deleted is True