How do I save tools with Filter Enabled?

Firstly, make sure that you place each tool inside a Folder named "Tools", the folder should be placed into ServerStorage

Local Script (should be placed inside every tool)

local Remote = game:GetService("ReplicatedStorage"):WaitForChild("ToolEquip")
local Tool = script.Parent

Tool.Equipped:Connect(function()
    Remote:FireServer(Tool.Name)
end)

Server Script (placed in ServerScriptService)

local DSS = game:GetService("DataStoreService")
local Storage = DSS:GetDataStore("Tools")

local Remote = Instance.new("RemoteEvent")
Remote.Name = "ToolEquip"
Remote.Parent = game:GetService("ReplicatedStorage")

game:GetService("Players").PlayerAdded:Connect(function(Player)
    local folder = Instance.new("Folder")
    folder.Name = "SavedTools"
    folder.Parent = Player

    for a, b in pairs(game:GetService("ServerStorage"):WaitForChild("Tools"):GetChildren()) do
        if b:IsA("Tool") then
            local bool = Instance.new("BoolValue")
            bool.Name = b.Name
            bool.Value = false
            bool.Parent = folder
        end
    end

    local success, result = pcall(function()
        Storage:GetAsync(Player.UserId)
    end)

    if not success then
        warn(result)
    else
        local LoadArray = Storage:GetAsync(Player.UserId)
        if LoadArray ~= nil then
            for c, d in pairs(folder:GetChildren()) do
                local find = game:GetService("ServerStorage"):WaitForChild("Tools"):FindFirstChild(d.Name)
                if find ~= nil then
                    d.Value = LoadArray[c]
                end
            end
        end
    end
end)

Remote.OnServerEvent:Connect(function(Player, Tool)
    Player:WaitForChild("SavedTools"):WaitForChild(Tool).Value = true
end)

game:GetService("Players").PlayerRemoving:Connect(function(Player)
    local SaveArray = {}
    for e, f in pairs(Player:WaitForChild("SavedTools"):GetChildren()) do
        local num = #SaveArray + 1
        table.insert(SaveArray, num, f.Value)
    end
    Storage:SetAsync(Player.UserId, SaveArray)
end)

You need to use a Remote Event to communicate between the Server and the Client, for this example, if the player equips a tool, then they will have their value sent to the server to be saved when they leave.

Each tool is given a value when the player enters the game, and then saved back into a table when they leave the game.

We use a pcall to make sure no errors are thrown by the script, preventing its further functionality (since API Services should be disabled, you cannot test this in studio).