feat: Add a load MCP resource tool

If the user specifies use_mcp_resources=True in their MCPToolset, the agent will be able to load resources with the load_mcp_resource_tool.

Co-authored-by: Kathy Wu <wukathy@google.com>
PiperOrigin-RevId: 866539602

contributing/samples/mcp_streamablehttp_agent/agent.py

@@ -52,6 +52,7 @@ Allowed directory: {_allowed_path}
                 'get_file_info',
                 'list_allowed_directories',
             ],
+            use_mcp_resources=True,
         )
     ],
 )