diff --git a/build.gradle.kts b/build.gradle.kts
index 9b042061..ecaee7a6 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
-    id("scientifik.mpp") version "0.1.4-dev" apply false
-    id("scientifik.publish") version "0.1.4-dev" apply false
+    id("scientifik.mpp") version "0.1.4" apply false
+    id("scientifik.publish") version "0.1.4" apply false
 }
 
 val dataforgeVersion by extra("0.1.3-dev-10")
diff --git a/dataforge-meta/src/commonMain/kotlin/hep/dataforge/meta/Config.kt b/dataforge-meta/src/commonMain/kotlin/hep/dataforge/meta/Config.kt
index 07ce8f96..f47d3bcd 100644
--- a/dataforge-meta/src/commonMain/kotlin/hep/dataforge/meta/Config.kt
+++ b/dataforge-meta/src/commonMain/kotlin/hep/dataforge/meta/Config.kt
@@ -7,6 +7,11 @@ import hep.dataforge.names.plus
 
 //TODO add validator to configuration
 
+data class MetaListener(
+    val owner: Any? = null,
+    val action: (name: Name, oldItem: MetaItem<*>?, newItem: MetaItem<*>?) -> Unit
+)
+
 /**
  * Mutable meta representing object state
  */
diff --git a/dataforge-meta/src/commonMain/kotlin/hep/dataforge/meta/MetaBuilder.kt b/dataforge-meta/src/commonMain/kotlin/hep/dataforge/meta/MetaBuilder.kt
index 0b5c83d6..f79fed07 100644
--- a/dataforge-meta/src/commonMain/kotlin/hep/dataforge/meta/MetaBuilder.kt
+++ b/dataforge-meta/src/commonMain/kotlin/hep/dataforge/meta/MetaBuilder.kt
@@ -1,5 +1,6 @@
 package hep.dataforge.meta
 
+import hep.dataforge.names.Name
 import hep.dataforge.names.asName
 import hep.dataforge.values.Value
 
@@ -28,6 +29,25 @@ class MetaBuilder : AbstractMutableMeta<MetaBuilder>() {
     infix fun String.to(metaBuilder: MetaBuilder.() -> Unit) {
         this@MetaBuilder[this] = MetaBuilder().apply(metaBuilder)
     }
+
+    infix fun Name.to(value: Any) {
+        if (value is Meta) {
+            this@MetaBuilder[this] = value
+        }
+        this@MetaBuilder[this] = Value.of(value)
+    }
+
+    infix fun Name.to(meta: Meta) {
+        this@MetaBuilder[this] = meta
+    }
+
+    infix fun Name.to(value: Iterable<Meta>) {
+        this@MetaBuilder[this] = value.toList()
+    }
+
+    infix fun Name.to(metaBuilder: MetaBuilder.() -> Unit) {
+        this@MetaBuilder[this] = MetaBuilder().apply(metaBuilder)
+    }
 }
 
 /**
diff --git a/dataforge-meta/src/commonMain/kotlin/hep/dataforge/meta/MutableMeta.kt b/dataforge-meta/src/commonMain/kotlin/hep/dataforge/meta/MutableMeta.kt
index b9ab6f62..285edd89 100644
--- a/dataforge-meta/src/commonMain/kotlin/hep/dataforge/meta/MutableMeta.kt
+++ b/dataforge-meta/src/commonMain/kotlin/hep/dataforge/meta/MutableMeta.kt
@@ -3,12 +3,6 @@ package hep.dataforge.meta
 import hep.dataforge.names.*
 import hep.dataforge.values.Value
 
-internal data class MetaListener(
-    val owner: Any? = null,
-    val action: (name: Name, oldItem: MetaItem<*>?, newItem: MetaItem<*>?) -> Unit
-)
-
-
 interface MutableMeta<M : MutableMeta<M>> : MetaNode<M> {
     override val items: Map<NameToken, MetaItem<M>>
     operator fun set(name: Name, item: MetaItem<*>?)