Roblox admin commands script with ranks (for your own game)

Updated 2026-10-17 · Roblox and game developers · by CyberMax

Short answer

Listen to chat on the server, check the speaker's UserId against an admin list, parse the message (":kick name reason") and run the command only on the server. With TextChatService, create TextChatCommands or read messages from Player.Chatted; never trust a rank sent by the client.

Copy-paste code

ServerScriptService/Admin.server.lua

local Players = game:GetService("Players")

local ADMINS = { [123456] = "owner", [234567] = "mod" } -- UserIds
local PREFIX = ":"

local function findPlayer(name)
	name = string.lower(name or "")
	for _, p in Players:GetPlayers() do
		if string.sub(string.lower(p.Name), 1, #name) == name then return p end
	end
end

local COMMANDS = {
	kick = function(admin, target, ...)
		if target then target:Kick(table.concat({ ... }, " ")) end
	end,
	speed = function(admin, target, value)
		local hum = target and target.Character and target.Character:FindFirstChildOfClass("Humanoid")
		if hum then hum.WalkSpeed = math.clamp(tonumber(value) or 16, 0, 100) end
	end,
	tp = function(admin, target)
		local a, b = admin.Character, target and target.Character
		if a and b then a:PivotTo(b:GetPivot() * CFrame.new(0, 0, 3)) end
	end,
}

Players.PlayerAdded:Connect(function(player)
	player.Chatted:Connect(function(msg)
		if not ADMINS[player.UserId] or string.sub(msg, 1, 1) ~= PREFIX then return end
		local args = string.split(string.sub(msg, 2), " ")
		local cmd = COMMANDS[string.lower(table.remove(args, 1) or "")]
		if cmd then
			print("[admin]", player.Name, msg) -- keep a log
			cmd(player, findPlayer(table.remove(args, 1)), table.unpack(args))
		end
	end)
end)

Good to know

This is for admin commands in a game you own. Scripts that claim to give admin in other people's games are exploits and break Roblox's Terms.

Use UserIds, not names: names can be changed.

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Questions

Does Player.Chatted work with TextChatService?

Yes, Player.Chatted still fires for messages sent through the default chat. TextChatCommand objects are an alternative with autocomplete.

How do I add bans that persist?

Save banned UserIds in a DataStore and check them in PlayerAdded; Roblox also has a built-in Players:BanAsync API.

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7 free Luau modules (damage, pets, shop formatting, admin audit log, tycoon guards and more) plus 3 free calculators, then 5 short emails with the scripting fixes we see go wrong most often.