diff --git a/digiline.lua b/digiline.lua
index 6913c36..098ea4f 100644
--- a/digiline.lua
+++ b/digiline.lua
@@ -101,15 +101,19 @@ function digibuilder.digiline_effector(pos, _, channel, msg)
 			return
 		end
 
-		-- check if node is in inventory
+		local is_creative = meta:get_int("creative") == 1
 		local inv = meta:get_inventory()
-		if not inv:contains_item("main", msg.name) then
-			digilines.receptor_send(pos, digibuilder.digiline_rules, set_channel, {
-				pos = msg.pos,
-				error = true,
-				message = "Item not in inventory: " .. msg.name
-			})
-			return
+
+		if not is_creative then
+			-- check if node is in inventory
+			if not inv:contains_item("main", msg.name) then
+				digilines.receptor_send(pos, digibuilder.digiline_rules, set_channel, {
+					pos = msg.pos,
+					error = true,
+					message = "Item not in inventory: " .. msg.name
+				})
+				return
+			end
 		end
 
 		-- get and validate place node definition
@@ -133,8 +137,10 @@ function digibuilder.digiline_effector(pos, _, channel, msg)
 			return
 		end
 
-		-- remove item
-		inv:remove_item("main", msg.name)
+		if not is_creative then
+			-- remove item
+			inv:remove_item("main", msg.name)
+		end
 
 		local param2 = tonumber(msg.param2)
 		local enable_param2 = place_node_def.paramtype2 == "facedir" and param2 and param2 > 0 and param2 <= 255
diff --git a/mod.conf b/mod.conf
index 09ff71a..6cf8909 100644
--- a/mod.conf
+++ b/mod.conf
@@ -1,3 +1,3 @@
 name = digibuilder
 depends = digilines
-optional_depends = default
+optional_depends = default, pipeworks
diff --git a/node.lua b/node.lua
index 265cfd9..b9a7669 100644
--- a/node.lua
+++ b/node.lua
@@ -45,7 +45,19 @@ minetest.register_node("digibuilder:digibuilder", {
 
 	after_place_node = function(pos, placer)
 		local meta = minetest.get_meta(pos)
-		meta:set_string("owner", placer:get_player_name() or "")
+
+		-- set owner
+		local owner = placer:get_player_name() or ""
+		meta:set_string("owner", owner)
+
+		-- creative flag
+		local has_give = minetest.check_player_privs(owner, "give")
+		local has_creative = minetest.check_player_privs(owner, "creative")
+		if has_give or has_creative then
+			meta:set_int("creative", 1)
+		else
+			meta:set_int("creative", 0)
+		end
 	end,
 
 	on_construct = function(pos)
diff --git a/readme.md b/readme.md
index 46931a5..84d21d0 100644
--- a/readme.md
+++ b/readme.md
@@ -52,10 +52,7 @@ For code examples for the `luacontroller` see the "examples" directory
 
 # Open issues
 
-* [ ] creative mode
 * [ ] `after_place_node(pos, placer, itemstack, pointed_thing)` compat (digtron mod?)
-
-further issues:
 * [ ] Storage of read schematics/buildings