diff --git a/.github/workflows/luacheck.yml b/.github/workflows/luacheck.yml
new file mode 100644
index 0000000..b501650
--- /dev/null
+++ b/.github/workflows/luacheck.yml
@@ -0,0 +1,10 @@
+name: luacheck
+on: [push, pull_request]
+jobs:
+  luacheck:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@master
+      - name: Luacheck
+        uses: lunarmodules/luacheck@master
\ No newline at end of file
diff --git a/.luacheckrc b/.luacheckrc
new file mode 100644
index 0000000..1036838
--- /dev/null
+++ b/.luacheckrc
@@ -0,0 +1,9 @@
+read_globals = {
+	"minetest",
+	"unifieddyes",
+	"default"
+}
+
+globals = {
+	"unifiedbricks"
+}
\ No newline at end of file
diff --git a/depends.txt b/depends.txt
deleted file mode 100644
index 7274ef6..0000000
--- a/depends.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-default
-bucket
-unifieddyes
-vessels
diff --git a/description.txt b/description.txt
deleted file mode 100644
index e6c198a..0000000
--- a/description.txt
+++ /dev/null
@@ -1 +0,0 @@
-This mod allows the user to re-color default bricks using Unified Dyes, and provides some pattern variations as well.
diff --git a/init.lua b/init.lua
index cf8b7ff..55c3af1 100644
--- a/init.lua
+++ b/init.lua
@@ -16,7 +16,7 @@ minetest.register_alias("unifieddyes:lightgrey","unifieddyes:lightgrey_paint")
 minetest.register_alias("unifieddyes:grey","unifieddyes:grey_paint")
 minetest.register_alias("unifieddyes:darkgrey","unifieddyes:darkgrey_paint")
 
-HUES = {
+local HUES = {
 	"red",
 	"orange",
 	"yellow",
@@ -35,25 +35,18 @@ HUES = {
 	"lightgrey",
 	"white"
 }
-TYPES = {
-	"clayblock_",
-	"clay_",
-	"brick_",
-	"brickblock_",
-	"multicolor_"
-}
-SATURATION = {
+local SATURATION = {
 	"_s50",
 	""
 }
-DARKNESS = {
+local DARKNESS = {
 	"dark_",
 	"medium_",
 	"",
 	"light_"
 }
 --formal versions
-FORMALHUES = {
+local FORMALHUES = {
 	"Red",
 	"Orange",
 	"Yellow",
@@ -72,18 +65,11 @@ FORMALHUES = {
 	"Light grey",
 	"White"
 }
-FORMALTYPES = {
-	" clay",
-	" clay lump",
-	" brick",
-	" bricks",
-	" multicolor bricks"
-}
-FORMALSATURATION = {
+local FORMALSATURATION = {
 	" (low saturation)",
 	""
 }
-FORMALDARKNESS = {
+local FORMALDARKNESS = {
 	"Dark ",
 	"Medium ",
 	"Bright ",
@@ -301,8 +287,8 @@ table.insert(unifiedbricks.old_static_list, "unifiedbricks:multicolor_lightgrey"
 for i = 1,17 do
 	for j = 1,4 do
 		if i > 12 then
-			formalname = FORMALHUES[i]
-			name = HUES[i]
+			local formalname = FORMALHUES[i]
+			local name = HUES[i]
 			if j == 1 then
 				unifiedbricks.register_old_static_block(name, formalname, "clayblock")
 			elseif j == 4 then
@@ -310,6 +296,7 @@ for i = 1,17 do
 			end
 		else
 			for k = 1,4 do
+				local formalname, name
 				if k == 4 then
 					formalname = FORMALDARKNESS[k] .. FORMALHUES[i]
 					name = DARKNESS[k] .. HUES[i]
diff --git a/mod.conf b/mod.conf
index 266e0dc..a52de5a 100644
--- a/mod.conf
+++ b/mod.conf
@@ -1 +1,3 @@
 name = unifiedbricks
+description = This mod allows the user to re-color default bricks using Unified Dyes, and provides some pattern variations as well.
+depends = default, bucket, unifieddyes, vessels