diff --git a/numass-data-proto/src/main/kotlin/ru/inr/mass/data/proto/NumassProtoPlugin.kt b/numass-data-proto/src/main/kotlin/ru/inr/mass/data/proto/NumassProtoPlugin.kt
index 4276ac1..512c548 100644
--- a/numass-data-proto/src/main/kotlin/ru/inr/mass/data/proto/NumassProtoPlugin.kt
+++ b/numass-data-proto/src/main/kotlin/ru/inr/mass/data/proto/NumassProtoPlugin.kt
@@ -1,6 +1,5 @@
 package ru.inr.mass.data.proto
 
-import kotlinx.coroutines.launch
 import ru.inr.mass.data.api.NumassPoint
 import space.kscience.dataforge.context.AbstractPlugin
 import space.kscience.dataforge.context.Context
@@ -64,15 +63,14 @@ public suspend fun NumassProtoPlugin.readRepository(path: Path): DataTree<Numass
             NameToken(segment.fileName.toString())
         })
         val value = readNumassDirectory(childPath)
-        launch {
-            static(name, value, value.meta)
-        }
+        static(name, value, value.meta)
     }
 
     //TODO add file watcher
 }
 
-public suspend fun NumassProtoPlugin.readRepository(path: String): DataTree<NumassDirectorySet> = readRepository(Path.of(path))
+public suspend fun NumassProtoPlugin.readRepository(path: String): DataTree<NumassDirectorySet> =
+    readRepository(Path.of(path))
 
 public fun NumassProtoPlugin.readPoint(path: String): NumassPoint = readNumassPointFile(path)
     ?: error("Can't read numass point at $path")
diff --git a/numass-data-server/src/commonMain/kotlin/ru/inr/mass/data/server/NumassCommonPlugin.kt b/numass-data-server/src/commonMain/kotlin/ru/inr/mass/data/server/NumassCommonPlugin.kt
index 0147c17..6813a39 100644
--- a/numass-data-server/src/commonMain/kotlin/ru/inr/mass/data/server/NumassCommonPlugin.kt
+++ b/numass-data-server/src/commonMain/kotlin/ru/inr/mass/data/server/NumassCommonPlugin.kt
@@ -27,6 +27,7 @@ public class NumassCommonPlugin(meta: Meta = Meta.EMPTY) : VisionPlugin(meta) {
                 subclass(VisionOfNumassHv.serializer())
                 subclass(VisionOfNumassPoint.serializer())
                 subclass(VisionOfNumassSet.serializer())
+                subclass(VisionOfNumassSetRef.serializer())
                 subclass(VisionOfNumassRepository.serializer())
             }
         }
diff --git a/numass-data-server/src/commonMain/kotlin/ru/inr/mass/data/server/VisionOfNumassRepository.kt b/numass-data-server/src/commonMain/kotlin/ru/inr/mass/data/server/VisionOfNumassRepository.kt
index 286e06f..b7f6f37 100644
--- a/numass-data-server/src/commonMain/kotlin/ru/inr/mass/data/server/VisionOfNumassRepository.kt
+++ b/numass-data-server/src/commonMain/kotlin/ru/inr/mass/data/server/VisionOfNumassRepository.kt
@@ -4,10 +4,11 @@ import kotlinx.serialization.Serializable
 import ru.inr.mass.data.api.NumassSet
 import space.kscience.dataforge.data.DataTree
 import space.kscience.dataforge.data.DataTreeItem
-import space.kscience.dataforge.data.await
+import space.kscience.dataforge.misc.Named
 import space.kscience.dataforge.names.Name
 import space.kscience.dataforge.names.NameToken
 import space.kscience.dataforge.names.plus
+import space.kscience.visionforge.AbstractVision
 import space.kscience.visionforge.AbstractVisionGroup
 
 @Serializable
@@ -15,13 +16,18 @@ public class VisionOfNumassRepository : AbstractVisionGroup() {
     override fun createGroup(): VisionOfNumassRepository = VisionOfNumassRepository()
 }
 
+@Serializable
+public class VisionOfNumassSetRef(
+    override val name: Name,
+) : Named, AbstractVision()
+
 public suspend fun VisionOfNumassRepository(
     repoName: Name,
     tree: DataTree<NumassSet>,
 ): VisionOfNumassRepository = VisionOfNumassRepository().apply {
     tree.items.forEach { (key: NameToken, value) ->
         children[key] = when (value) {
-            is DataTreeItem.Leaf -> VisionOfNumassSet(repoName + key, value.data.await())
+            is DataTreeItem.Leaf -> VisionOfNumassSetRef(repoName + key)
             is DataTreeItem.Node -> VisionOfNumassRepository(repoName + key, value.tree)
         }
     }
diff --git a/numass-data-server/src/commonMain/kotlin/ru/inr/mass/data/server/VisionOfNumassSet.kt b/numass-data-server/src/commonMain/kotlin/ru/inr/mass/data/server/VisionOfNumassSet.kt
index 3b9a3a2..3096eb4 100644
--- a/numass-data-server/src/commonMain/kotlin/ru/inr/mass/data/server/VisionOfNumassSet.kt
+++ b/numass-data-server/src/commonMain/kotlin/ru/inr/mass/data/server/VisionOfNumassSet.kt
@@ -19,11 +19,13 @@ public data class PointRef(
 
 @Serializable
 public class VisionOfNumassSet(
+    public val meta: Meta,
     public val points: List<PointRef>,
     public val hvData: HVData? = null,
 ) : AbstractVision()
 
 public fun VisionOfNumassSet(setName: Name, set: NumassSet): VisionOfNumassSet = VisionOfNumassSet(
+    set.meta,
     set.points.map { point ->
         PointRef(
             setName + point.index.toString(),