diff --git a/config.lua b/config.lua
index f3cdc5b..cafbcf7 100644
--- a/config.lua
+++ b/config.lua
@@ -2,17 +2,21 @@ local devices = require("automation:devices")
 local device_manager = require("automation:device_manager")
 local utils = require("automation:utils")
 local secrets = require("automation:secrets")
-local debug = require("automation:variables").debug or false
+local debug = require("automation:variables").debug and true or false
 
 print(_VERSION)
 
 local host = utils.get_hostname()
 print("Running @" .. host)
 
+--- @param topic string
+--- @return string
 local function mqtt_z2m(topic)
 	return "zigbee2mqtt/" .. topic
 end
 
+--- @param topic string
+--- @return string
 local function mqtt_automation(topic)
 	return "automation/" .. topic
 end
diff --git a/definitions/automation:devices.lua b/definitions/automation:devices.lua
new file mode 100644
index 0000000..1e8ec2c
--- /dev/null
+++ b/definitions/automation:devices.lua
@@ -0,0 +1,33 @@
+---@meta
+
+local devices
+
+---@class Action
+---@field action "broadcast"
+---@field extras table<string, string> | nil
+---@field label string | nil
+---@clear clear bool|nil
+
+---@class Notification
+---@field title string
+---@field message string | nil
+-- NOTE: It might be possible to specify this down to the actual possible values
+---@field tags string[] | nil
+---@field priority "min" | "low" | "default" | "high" | "max" | nil
+---@field actions Action[] | nil
+
+---@class Ntfy
+local Ntfy
+---@async
+---@param notification Notification
+function Ntfy:send_notification(notification) end
+
+---@class NtfyConfig
+---@field topic string
+
+devices.Ntfy = {}
+---@param config NtfyConfig
+---@return Ntfy
+function devices.Ntfy.new(config) end
+
+return devices
diff --git a/definitions/automation:secrets.lua b/definitions/automation:secrets.lua
new file mode 100644
index 0000000..6494943
--- /dev/null
+++ b/definitions/automation:secrets.lua
@@ -0,0 +1,6 @@
+---@meta
+
+---@type table<string, string|nil>
+local secrets
+
+return secrets
diff --git a/definitions/automation:utils.lua b/definitions/automation:utils.lua
new file mode 100644
index 0000000..d8b380c
--- /dev/null
+++ b/definitions/automation:utils.lua
@@ -0,0 +1,27 @@
+---@meta
+
+local utils
+
+---@class Timeout
+local Timeout
+---@async
+---@param timeout number
+---@param callback fun()
+function Timeout:start(timeout, callback) end
+---@async
+function Timeout:cancel() end
+---@async
+---@return boolean
+function Timeout:is_waiting() end
+
+utils.Timeout = {}
+---@return Timeout
+function utils.Timeout.new() end
+
+--- @return string hostname
+function utils.get_hostname() end
+
+--- @return number epoch
+function utils.get_epoch() end
+
+return utils
diff --git a/definitions/automation:variables.lua b/definitions/automation:variables.lua
new file mode 100644
index 0000000..6f09c6d
--- /dev/null
+++ b/definitions/automation:variables.lua
@@ -0,0 +1,6 @@
+---@meta
+
+---@type table<string, string|nil>
+local variables
+
+return variables