fix: add full items in resource on EmbededResource

Author: perfogic

python/packages/autogen-ext/src/autogen_ext/tools/mcp/_base.py

@@ -129,6 +129,8 @@ def serialize_item(item):
                 for key, val in item.resource.model_dump().items():
                     if isinstance(val, AnyUrl):
                         resource[key] = str(val)
+                    else:
+                        resource[key] = val
                 annotations = item.annotations.model_dump() if item.annotations else None
                 return {"type": type, "resource": resource, "annotations": annotations}
             else:

python/packages/autogen-ext/tests/tools/test_mcp_tools.py

@@ -231,7 +231,7 @@ async def test_adapter_from_server_params_with_return_value_as_string(
                     annotations=Annotations(audience=["user"], priority=0.3),
                 ),
             ]
-    ) == '[{"type": "text", "text": "this is a sample text", "annotations": {"audience": ["user", "assistant"], "priority": 0.7}}, {"type": "image", "data": "this is a sample base64 encoded image", "mimeType": "image/png", "annotations": null}, {"type": "resource", "resource": {"uri": "http://example.com/test"}, "annotations": {"audience": ["user"], "priority": 0.3}}]'
+    ) == '[{"type": "text", "text": "this is a sample text", "annotations": {"audience": ["user", "assistant"], "priority": 0.7}}, {"type": "image", "data": "this is a sample base64 encoded image", "mimeType": "image/png", "annotations": null}, {"type": "resource", "resource": {"uri": "http://example.com/test", "mimeType": null, "text": "this is a sample text"}, "annotations": {"audience": ["user"], "priority": 0.3}}]'
 
 
 @pytest.mark.asyncio