local Players = game:GetService("Players")
local ReplicatedStorage = game:GetService("ReplicatedStorage")

local toggleReady = Instance.new("RemoteEvent")
toggleReady.Name = "ToggleReady"
toggleReady.Parent = ReplicatedStorage

local readyByUserId = {}

local function setReady(player, value)
    readyByUserId[player.UserId] = value
    player:SetAttribute("Ready", value)
end

Players.PlayerAdded:Connect(function(player)
    setReady(player, false)
end)

Players.PlayerRemoving:Connect(function(player)
    readyByUserId[player.UserId] = nil
end)

toggleReady.OnServerEvent:Connect(function(player)
    setReady(player, not readyByUserId[player.UserId])
end)