diff --git a/.luacheckrc b/.luacheckrc
index 2ba8c0c..fb4eedd 100644
--- a/.luacheckrc
+++ b/.luacheckrc
@@ -4,7 +4,10 @@ globals = {
 	"mapsync",
 	"worldedit",
 	"minetest",
-	"travelnet"
+	-- mods
+	"travelnet",
+	"advtrains",
+	"serialize_lib"
 }
 
 read_globals = {
diff --git a/init.lua b/init.lua
index 86fcfbb..4bdd9b2 100644
--- a/init.lua
+++ b/init.lua
@@ -60,6 +60,10 @@ if minetest.get_modpath("travelnet") then
 	dofile(MP.."/integrations/travelnet.lua")
 end
 
+if minetest.get_modpath("advtrains") then
+	dofile(MP.."/integrations/advtrains.lua")
+end
+
 -- testing
 if minetest.get_modpath("mtt") and mtt.enabled then
 	dofile(MP.."/init.spec.lua")
diff --git a/integrations/advtrains.lua b/integrations/advtrains.lua
new file mode 100644
index 0000000..af8abd7
--- /dev/null
+++ b/integrations/advtrains.lua
@@ -0,0 +1,54 @@
+-- sanity checks
+assert(type(advtrains.load_version_4) == "function")
+assert(type(advtrains.ndb.save_callback) == "function")
+assert(type(advtrains.ndb.load_callback) == "function")
+assert(type(advtrains.read_component) == "function")
+assert(type(advtrains.save_component) == "function")
+assert(type(serialize_lib.load_atomic) == "function")
+assert(type(serialize_lib.save_atomic_multiple) == "function")
+assert(type(advtrains.fpath) == "string")
+
+-- local old_advtrains_read_component = advtrains.read_component
+function advtrains.read_component(name)
+    assert(name == "version")
+    return 4
+end
+
+-- local old_advtrains_save_component = advtrains.save_component
+function advtrains.save_component()
+    -- no-op
+end
+
+local old_load_atomic = serialize_lib.load_atomic
+function serialize_lib.load_atomic(filename, load_callback)
+    print(dump({
+        fn = "serialize_lib.load_atomic",
+        filename = filename,
+        fpath = advtrains.fpath,
+        relpath = string.sub(filename, #advtrains.fpath + 2)
+    }))
+    return old_load_atomic(filename, load_callback)
+end
+
+local old_save_atomic_multiple = serialize_lib.save_atomic_multiple
+function serialize_lib.save_atomic_multiple(parts_table, filename_prefix, callback_table, config)
+    print(dump({
+        fn = "serialize_lib.save_atomic_multiple",
+        parts_table = parts_table,
+        filename_prefix = filename_prefix,
+        config = config
+    }))
+    return old_save_atomic_multiple(parts_table, filename_prefix, callback_table, config)
+end
+
+local advtrains_parts = {"atlatc.ls", "interlocking.ls", "core.ls", "lines.ls", "ndb4.ls"}
+
+minetest.register_chatcommand("mapsync_save_advtrains", {
+    privs = { mapsync = true },
+    func = function()
+        for _, part in ipairs(advtrains_parts) do
+            local path = advtrains.fpath .. "_" .. part
+            print(path)
+        end
+    end
+})
\ No newline at end of file
diff --git a/mod.conf b/mod.conf
index dfe7034..093cabe 100644
--- a/mod.conf
+++ b/mod.conf
@@ -1,3 +1,3 @@
 name = mapsync
 depends = mtzip
-optional_depends = worldedit, screwdriver2, mtt, travelnet
\ No newline at end of file
+optional_depends = worldedit, screwdriver2, mtt, travelnet, advtrains, serialize_lib
\ No newline at end of file