return {
	"mason-org/mason.nvim",
	cmd = "Mason",
	build = ":MasonUpdate",
	opts_extend = { "ensure_installed" },
	opts = { 
		ensure_installed = { 
			-- Formatters and tools
			"stylua", 
			-- LSP servers (will be auto-detected by mason-lspconfig)
			"lua-language-server", 
			"gopls", 
			"pyright" 
		}
	},
	event = "VeryLazy",
	config = function(_, opts)
		require("mason").setup(opts)
		local mr = require("mason-registry")

		mr.refresh(function()
			for _, tool in ipairs(opts.ensure_installed) do
				local p = mr.get_package(tool)
				if not p:is_installed() then p:install() end
			end
		end)
	end,
}