auto clicker (edit now it has an UI anti-lag and supports mb

 player = .Players.LocalPlayer
 ReplicatedStorage = :()
 RunService = :()
 UserInputService = :()
 VirtualUser = :()


 Themes = {.(, , ), .(, , ), .(, , ), .(, , )}
 themeIdx = 

 active, clicking, rebirthing, autoE = , , , 
 isMinimized, isFull = , 
 oldSize, oldPos = .(, , , ), .(, -, , )


 remotes = { clicks = {}, rebirths = {} }
 _, v  (ReplicatedStorage:()) 
     v:() 
         n = v.Name:()
         n:()  n:()  n:()  .(remotes.clicks, v) 
         n:()  .(remotes.rebirths, v) 
    



 screenGui = .(, player.PlayerGui); screenGui.Name = ; screenGui.ResetOnSpawn = 
 main = .(, screenGui); main.Size = oldSize; main.Position = oldPos; main.BackgroundColor3 = .(, , ); main.Active = ; main.Draggable = ; main.ClipsDescendants = ; .(, main).CornerRadius = .(, )
 stroke = .(, main); stroke.Color = Themes[themeIdx]; stroke.Thickness = 


 sidebar = .(, main); sidebar.Size = .(, , , ); sidebar.BackgroundColor3 = .(, , ); .(, sidebar)
 logo = .(, sidebar); logo.Text = ; logo.Size = .(, , , ); logo.TextColor3 = Themes[themeIdx]; logo.Font = .Font.GothamBold; logo.BackgroundTransparency = 


  (txt, pos, col)
     b = .(, main); b.Text = txt; b.Size = .(, , , ); b.Position = pos; b.BackgroundColor3 = col  .(, , ); b.TextColor3 = .(,,); .(, b);  b

 closeBtn = (, .(, -, , ), .(, , ))
 fullBtn = (, .(, -, , ))
 minBtn = (, .(, -, , ))


 container = .(, main); container.Size = .(, -, , -); container.Position = .(, , , ); container.BackgroundTransparency = ; container.ScrollBarThickness = 
 layout = .(, container); layout.Padding = .(, ); layout.HorizontalAlignment = .HorizontalAlignment.Center

  (txt, callback)
     b = .(, container); b.Size = .(, , , ); b.Text = ..txt; b.BackgroundColor3 = .(, , ); b.TextColor3 = .(,,); b.Font = .Font.GothamMedium; b.TextXAlignment = .TextXAlignment.Left; .(, b)
     s = .(, b); s.Color = Themes[themeIdx]; s.Thickness = ; s.Transparency = 
    b.MouseButton1Click:(() (b, s) )
     b, s


 bTrain, sTrain = (, () clicking =  clicking )
 bE, sE = (, () autoE =  autoE )
 bReb, sReb = (, () rebirthing =  rebirthing )
 bColor = (, () themeIdx = (themeIdx % #Themes) + ;  c = Themes[themeIdx]; stroke.Color = c; logo.TextColor3 = c; sTrain.Color = c; sE.Color = c; sReb.Color = c )
(, () )


closeBtn.MouseButton1Click:(() active = ; screenGui:() )
fullBtn.MouseButton1Click:(() isFull =  isFull; main:(isFull  .(,,,)  oldSize, isFull  .(,,,)  oldPos, , , , ) )
minBtn.MouseButton1Click:(() isMinimized =  isMinimized; main:(isMinimized  .(, , , )  oldSize, , , , ); container.Visible =  isMinimized; sidebar.Visible =  isMinimized )


RunService.Heartbeat:(()
      active   clicking   
     sTrain  sTrain.Transparency =  
    
    
     viewportSize = .CurrentCamera.ViewportSize
     center = .(viewportSize.X/, viewportSize.Y/)
    
    VirtualUser:(center)
    VirtualUser:(center)
    
    
     t = player.Character  player.Character:()
     t  t:() 
     _, ev  (remotes.clicks)  ev:() 
)


.(()
     .() 
          active   
         sE  sE.Transparency = autoE     
         sReb  sReb.Transparency = rebirthing     
        
         autoE 
            VirtualUser:()
            .()
        
         rebirthing   _, ev  (remotes.rebirths)  ev:()  
    
)

UserInputService.InputBegan:((i, p)   p  i.KeyCode == .KeyCode.T  clicking =  clicking  )
player.Idled:(() VirtualUser:(.(,)) )