diff --git a/.luacheckrc b/.luacheckrc
index 8f13b09..c1a52ae 100644
--- a/.luacheckrc
+++ b/.luacheckrc
@@ -1,5 +1,5 @@
 globals = {
-    "minetest", "basic_materials",
+    "minetest", "basic_materials", "crafting",
 }
 
 read_globals = {
diff --git a/crafts.lua b/crafts.lua
index 0188c9d..9ed7c27 100644
--- a/crafts.lua
+++ b/crafts.lua
@@ -69,6 +69,25 @@ elseif minetest.get_modpath("fl_ores") and minetest.get_modpath("fl_stone") then
 		silver_ingot = "fl_ores:iron_ingot",
 		silicon = "mesecons_materials:silicon",
 	}
+elseif minetest.get_modpath("rp_default") then
+	materials = {
+		dirt = "rp_default:dirt",
+		sand = "rp_default:sand",
+		gravel = "rp_default:gravel",
+		steel_ingot = "rp_default:ingot_steel",
+		gold_ingot = "rp_default:ingot_gold",
+		mese_crystal_fragment = "rp_default:ingot_steel",
+		torch = "rp_default:torch",
+		diamond = "rp_default:pearl",
+		clay_lump = "rp_default:ingot_steel",
+		water_bucket = "rp_default:swamp_dirt",
+		empty_bucket = "rp_default:dirt",
+		dye_dark_grey = "rp_default:ingot_steel",
+		copper_ingot = "rp_default:ingot_copper",
+		tin_ingot = "rp_default:ingot_tin",
+		silver_ingot = "rp_default:ingot_steel",
+		silicon = "rp_default:ingot_steel",
+	}
 elseif minetest.get_modpath("hades_core") then
 	materials = {
 		dirt = "hades_core:dirt",
@@ -111,8 +130,44 @@ end
 
 local have_hades_materials = minetest.get_modpath("hades_materials")
 
+local function compress_craft(input)
+	local buffer = {}
+	for _, item in pairs(input) do
+		if type(item)=="table" then
+			for _, inneritem in pairs(item) do
+				buffer[inneritem] = (buffer[inneritem] or 0) + 1
+			end
+		elseif item ~= "" then
+			buffer[item] = (buffer[item] or 0) + 1
+		end
+	end
+
+	local output = {}
+	for item, count in pairs(buffer) do
+		output[#output + 1] = item .. " " .. count
+	end
+	return output
+end
+
+local function register_craft(input)
+	if minetest.get_modpath("rp_crafting") then
+		local rp_craft = compress_craft(input.recipe)
+		if #rp_craft > crafting.MAX_INPUTS then
+			minetest.log("error", "[basic_materials] unable to register craft for " .. input.output)
+			return
+		end
+
+		crafting.register_craft({
+			output = input.output,
+			items = rp_craft
+		})
+	else
+		minetest.register_craft(input)
+	end
+end
+
 -- Craft recipes
-minetest.register_craft({
+register_craft({
 	output = "basic_materials:chainlink_brass 12",
 	recipe = {
 		{"", "basic_materials:brass_ingot", "basic_materials:brass_ingot"},
@@ -121,7 +176,7 @@ minetest.register_craft({
 	},
 })
 
-minetest.register_craft({
+register_craft({
 	output = "basic_materials:chain_steel 2",
 	recipe = {
 		{"basic_materials:chainlink_steel"},
@@ -130,7 +185,7 @@ minetest.register_craft({
 	}
 })
 
-minetest.register_craft({
+register_craft({
 	output = "basic_materials:chain_brass 2",
 	recipe = {
 		{"basic_materials:chainlink_brass"},
@@ -139,13 +194,13 @@ minetest.register_craft({
 	}
 })
 
-minetest.register_craft( {
+register_craft( {
 	type = "shapeless",
 	output = "basic_materials:brass_ingot 9",
 	recipe = {"basic_materials:brass_block"},
 })
 
-minetest.register_craft( {
+register_craft( {
 	output = "basic_materials:brass_block",
 	recipe = {
 		{"basic_materials:brass_ingot", "basic_materials:brass_ingot", "basic_materials:brass_ingot"},
@@ -154,14 +209,14 @@ minetest.register_craft( {
 	},
 })
 
-minetest.register_craft( {
+register_craft( {
 	output = "basic_materials:plastic_strip 9",
 	recipe = {
 		{"basic_materials:plastic_sheet", "basic_materials:plastic_sheet", "basic_materials:plastic_sheet"}
 	},
 })
 
-minetest.register_craft( {
+register_craft( {
 	output = "basic_materials:empty_spool 3",
 	recipe = {
 		{"basic_materials:plastic_sheet", "basic_materials:plastic_sheet", "basic_materials:plastic_sheet"},
@@ -172,12 +227,12 @@ minetest.register_craft( {
 
 if have_hades_materials then
 	minetest.clear_craft({
-	type = "shapeless",
-	recipe = {"group:leaves", "group:leaves", "group:leaves", "group:leaves", "group:leaves", "group:leaves"}
+		type = "shapeless",
+		recipe = {"group:leaves", "group:leaves", "group:leaves", "group:leaves", "group:leaves", "group:leaves"}
 	})
 end
 
-minetest.register_craft({
+register_craft({
 	type = "shapeless",
 	output = "basic_materials:oil_extract 2",
 	recipe = {"group:leaves", "group:leaves", "group:leaves", "group:leaves", "group:leaves", "group:leaves"}
@@ -186,9 +241,9 @@ minetest.register_craft({
 -- Cooking recipes
 if not have_hades_materials then
 	minetest.register_craft({
-	type = "cooking",
-	output = "basic_materials:plastic_sheet",
-	recipe = "basic_materials:paraffin",
+		type = "cooking",
+		output = "basic_materials:plastic_sheet",
+		recipe = "basic_materials:paraffin",
 	})
 end
 
@@ -224,7 +279,7 @@ minetest.register_craft({
 	burntime = 30,
 })
 
-minetest.register_craft({
+register_craft({
 	output = "basic_materials:concrete_block 6",
 	recipe = {
 		{"group:sand", "basic_materials:wet_cement", materials.gravel},
@@ -233,7 +288,7 @@ minetest.register_craft({
 	}
 })
 
-minetest.register_craft( {
+register_craft( {
 	output = "basic_materials:motor 2",
 	recipe = {
 		{materials.mese_crystal_fragment, "basic_materials:copper_wire", "basic_materials:plastic_sheet"},
@@ -246,14 +301,14 @@ minetest.register_craft( {
 	}
 })
 
-minetest.register_craft( {
+register_craft( {
 	output = "basic_materials:heating_element 2",
 	recipe = {
 		{materials.copper_ingot, materials.mese_crystal_fragment, materials.copper_ingot}
 	},
 })
 
-minetest.register_craft({
+register_craft({
 	--type = "shapeless",
 	output = "basic_materials:energy_crystal_simple 2",
 	recipe = {
@@ -262,7 +317,7 @@ minetest.register_craft({
 	},
 })
 
-minetest.register_craft( {
+register_craft( {
 	output = "basic_materials:copper_wire 2",
 	type = "shapeless",
 	recipe = {
@@ -272,7 +327,7 @@ minetest.register_craft( {
 	},
 })
 
-minetest.register_craft( {
+register_craft( {
 	output = "basic_materials:gold_wire 2",
 	type = "shapeless",
 	recipe = {
@@ -282,7 +337,7 @@ minetest.register_craft( {
 	},
 })
 
-minetest.register_craft( {
+register_craft( {
 	output = "basic_materials:steel_wire 2",
 	type = "shapeless",
 	recipe = {
@@ -293,7 +348,7 @@ minetest.register_craft( {
 })
 
 if materials.stainless_steel_ingot then
-	minetest.register_craft( {
+	register_craft( {
 		output = "basic_materials:stainless_steel_wire 2",
 		type = "shapeless",
 		recipe = {
@@ -305,7 +360,7 @@ if materials.stainless_steel_ingot then
 end
 
 if materials.aluminum_ingot then
-	minetest.register_craft( {
+	register_craft( {
 		output = "basic_materials:aluminum_wire 2",
 		type = "shapeless",
 		recipe = {
@@ -316,7 +371,7 @@ if materials.aluminum_ingot then
 	})
 end
 
-minetest.register_craft( {
+register_craft( {
 	output = "basic_materials:steel_strip 12",
 	recipe = {
 		{"", materials.steel_ingot, ""},
@@ -324,7 +379,7 @@ minetest.register_craft( {
 	},
 })
 
-minetest.register_craft( {
+register_craft( {
 	output = "basic_materials:copper_strip 12",
 	recipe = {
 		{"", materials.copper_ingot, ""},
@@ -332,7 +387,7 @@ minetest.register_craft( {
 	},
 })
 
-minetest.register_craft( {
+register_craft( {
 	output = "basic_materials:gold_strip 12",
 	recipe = {
 		{"", materials.gold_ingot, ""},
@@ -341,7 +396,7 @@ minetest.register_craft( {
 })
 
 if materials.lead_ingot then
-	minetest.register_craft( {
+	register_craft( {
 		output = "basic_materials:lead_strip 12",
 		recipe = {
 			{"", materials.lead_ingot, ""},
@@ -351,7 +406,7 @@ if materials.lead_ingot then
 end
 
 if materials.stainless_steel_ingot then
-	minetest.register_craft( {
+	register_craft( {
 		output = "basic_materials:stainless_steel_strip 12",
 		recipe = {
 			{"", materials.stainless_steel_ingot, ""},
@@ -361,7 +416,7 @@ if materials.stainless_steel_ingot then
 end
 
 if materials.aluminum_ingot then
-	minetest.register_craft( {
+	register_craft( {
 		output = "basic_materials:aluminum_strip 12",
 		recipe = {
 			{"", materials.aluminum_ingot, ""},
@@ -370,7 +425,7 @@ if materials.aluminum_ingot then
 	})
 end
 
-minetest.register_craft( {
+register_craft( {
 	output = "basic_materials:steel_bar 6",
 	recipe = {
 		{"", "", materials.steel_ingot},
@@ -380,7 +435,7 @@ minetest.register_craft( {
 })
 
 if materials.carbon_steel_ingot then
-	minetest.register_craft( {
+	register_craft( {
 		output = "basic_materials:carbon_steel_bar 6",
 		recipe = {
 			{"", "", materials.carbon_steel_ingot},
@@ -391,7 +446,7 @@ if materials.carbon_steel_ingot then
 end
 
 if materials.stainless_steel_ingot then
-	minetest.register_craft( {
+	register_craft( {
 		output = "basic_materials:stainless_steel_bar 6",
 		recipe = {
 			{"", "", materials.stainless_steel_ingot},
@@ -402,7 +457,7 @@ if materials.stainless_steel_ingot then
 end
 
 if materials.aluminum_ingot then
-	minetest.register_craft( {
+	register_craft( {
 		output = "basic_materials:aluminum_bar 6",
 		recipe = {
 			{"", "", materials.aluminum_ingot},
@@ -412,7 +467,7 @@ if materials.aluminum_ingot then
 	})
 end
 
-minetest.register_craft( {
+register_craft( {
 	output = "basic_materials:padlock 2",
 	recipe = {
 		{"basic_materials:steel_bar"},
@@ -421,7 +476,7 @@ minetest.register_craft( {
 	},
 })
 
-minetest.register_craft({
+register_craft({
 	output = "basic_materials:chainlink_steel 12",
 	recipe = {
 		{"", materials.steel_ingot, materials.steel_ingot},
@@ -430,7 +485,7 @@ minetest.register_craft({
 	},
 })
 
-minetest.register_craft( {
+register_craft( {
 	output = "basic_materials:gear_steel 6",
 	recipe = {
 		{"", materials.steel_ingot, ""},
@@ -439,7 +494,7 @@ minetest.register_craft( {
 	},
 })
 
-minetest.register_craft( {
+register_craft( {
 	type = "shapeless",
 	output = "basic_materials:terracotta_base 8",
 	recipe = {
@@ -450,7 +505,7 @@ minetest.register_craft( {
 	replacements = {{materials.water_bucket, materials.empty_bucket}},
 })
 
-minetest.register_craft({
+register_craft({
 	type = "shapeless",
 	output = "basic_materials:wet_cement 3",
 	recipe = {
@@ -464,7 +519,7 @@ minetest.register_craft({
 })
 
 if not have_hades_materials then
-	minetest.register_craft( {
+	register_craft( {
 		output = materials.silicon.." 4",
 		recipe = {
 			{materials.sand, materials.sand},
@@ -473,7 +528,7 @@ if not have_hades_materials then
 	})
 end
 
-minetest.register_craft( {
+register_craft( {
 	output = "basic_materials:ic 4",
 	recipe = {
 		{materials.silicon, materials.silicon},
@@ -482,7 +537,7 @@ minetest.register_craft( {
 })
 
 -- Without moreores, there still should be a way to create brass.
-minetest.register_craft( {
+register_craft( {
 	output = "basic_materials:brass_ingot 9",
 	recipe = {
 		{materials.copper_ingot, materials.tin_ingot, materials.copper_ingot},
@@ -492,7 +547,7 @@ minetest.register_craft( {
 })
 
 if materials.silver_ingot then
-	minetest.register_craft( {
+	register_craft( {
 		output = "basic_materials:silver_wire 2",
 		type = "shapeless",
 		recipe = {
@@ -502,7 +557,7 @@ if materials.silver_ingot then
 		},
 	})
 
-	minetest.register_craft( {
+	register_craft( {
 		type = "shapeless",
 		output = "basic_materials:brass_ingot 3",
 		recipe = {
diff --git a/mod.conf b/mod.conf
index 0d07279..048bae0 100644
--- a/mod.conf
+++ b/mod.conf
@@ -1,3 +1,3 @@
 name = basic_materials
-optional_depends = moreores, default, mesecons_materials, dye, bucket, fl_stone, fl_trees, mcl_sounds, hades_core, hades_sounds, hades_materials, hades_dye, hades_bucket, hades_extraores, hades_mesecons_materials, aloz
+optional_depends = moreores, default, mesecons_materials, dye, bucket, fl_stone, fl_trees, mcl_sounds, hades_core, hades_sounds, hades_materials, hades_dye, hades_bucket, hades_extraores, hades_mesecons_materials, aloz, rp_crafting
 min_minetest_version = 5.2.0