diff --git a/build.gradle.kts b/build.gradle.kts
index 518b4eb7..d8c6a93a 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,4 +1,4 @@
-val dataforgeVersion by extra("0.1.2-dev-6")
+val dataforgeVersion by extra("0.1.2-dev-7")
 
 allprojects {
     repositories {
diff --git a/dataforge-context/src/commonMain/kotlin/hep/dataforge/context/AbstractPlugin.kt b/dataforge-context/src/commonMain/kotlin/hep/dataforge/context/AbstractPlugin.kt
index 8864fae1..4c1e86d1 100644
--- a/dataforge-context/src/commonMain/kotlin/hep/dataforge/context/AbstractPlugin.kt
+++ b/dataforge-context/src/commonMain/kotlin/hep/dataforge/context/AbstractPlugin.kt
@@ -1,16 +1,15 @@
 package hep.dataforge.context
 
-import hep.dataforge.meta.Config
+import hep.dataforge.meta.EmptyMeta
+import hep.dataforge.meta.Meta
 import hep.dataforge.names.Name
 
-abstract class AbstractPlugin : Plugin {
+abstract class AbstractPlugin(override val meta: Meta = EmptyMeta) : Plugin {
     private var _context: Context? = null
 
     override val context: Context
         get() = _context ?: error("Plugin $tag is not attached")
 
-    override val config = Config()
-
     override fun attach(context: Context) {
         this._context = context
     }
@@ -19,8 +18,6 @@ abstract class AbstractPlugin : Plugin {
         this._context = null
     }
 
-    //TODO make configuration activation-safe
-
     override fun provideTop(target: String, name: Name): Any? = null
 
     override fun listTop(target: String): Sequence<Name> = emptySequence()
diff --git a/dataforge-context/src/commonMain/kotlin/hep/dataforge/context/ContextBuilder.kt b/dataforge-context/src/commonMain/kotlin/hep/dataforge/context/ContextBuilder.kt
index 52079854..203edd2c 100644
--- a/dataforge-context/src/commonMain/kotlin/hep/dataforge/context/ContextBuilder.kt
+++ b/dataforge-context/src/commonMain/kotlin/hep/dataforge/context/ContextBuilder.kt
@@ -1,8 +1,7 @@
 package hep.dataforge.context
 
-import hep.dataforge.meta.Config
 import hep.dataforge.meta.MetaBuilder
-import hep.dataforge.meta.configure
+import hep.dataforge.meta.buildMeta
 
 /**
  * A convenience builder for context
@@ -19,11 +18,11 @@ class ContextBuilder(var name: String = "@anonimous", val parent: Context = Glob
         plugins.add(plugin)
     }
 
-    fun plugin(tag: PluginTag, action: Config.() -> Unit) {
-        plugins.add(PluginRepository.fetch(tag).configure(action))
+    fun plugin(tag: PluginTag, action: MetaBuilder.() -> Unit) {
+        plugins.add(PluginRepository.fetch(tag, buildMeta(action)))
     }
 
-    fun plugin(name: String, group: String = "", version: String = "", action: Config.() -> Unit) {
+    fun plugin(name: String, group: String = "", version: String = "", action: MetaBuilder.() -> Unit) {
         plugin(PluginTag(name, group, version), action)
     }
 
diff --git a/dataforge-context/src/commonMain/kotlin/hep/dataforge/context/Plugin.kt b/dataforge-context/src/commonMain/kotlin/hep/dataforge/context/Plugin.kt
index 4560e29b..e06bf3f9 100644
--- a/dataforge-context/src/commonMain/kotlin/hep/dataforge/context/Plugin.kt
+++ b/dataforge-context/src/commonMain/kotlin/hep/dataforge/context/Plugin.kt
@@ -1,6 +1,5 @@
 package hep.dataforge.context
 
-import hep.dataforge.meta.Configurable
 import hep.dataforge.meta.Meta
 import hep.dataforge.meta.MetaRepr
 import hep.dataforge.meta.buildMeta
@@ -22,7 +21,7 @@ import hep.dataforge.provider.Provider
  *
  * @author Alexander Nozik
  */
-interface Plugin : Named, ContextAware, Provider, MetaRepr, Configurable {
+interface Plugin : Named, ContextAware, Provider, MetaRepr {
 
     /**
      * Get tag for this plugin
@@ -31,13 +30,14 @@ interface Plugin : Named, ContextAware, Provider, MetaRepr, Configurable {
      */
     val tag: PluginTag
 
+    val meta: Meta
+
     /**
      * The name of this plugin ignoring version and group
      *
      * @return
      */
-    override val name: String
-        get() = tag.name
+    override val name: String get() = tag.name
 
     /**
      * Plugin dependencies which are required to attach this plugin. Plugin
@@ -67,7 +67,7 @@ interface Plugin : Named, ContextAware, Provider, MetaRepr, Configurable {
         "context" to context.name
         "type" to this::class.simpleName
         "tag" to tag
-        "meta" to config
+        "meta" to meta
     }
 
     companion object {
diff --git a/dataforge-context/src/commonMain/kotlin/hep/dataforge/context/PluginManager.kt b/dataforge-context/src/commonMain/kotlin/hep/dataforge/context/PluginManager.kt
index c504394b..bcce8eb6 100644
--- a/dataforge-context/src/commonMain/kotlin/hep/dataforge/context/PluginManager.kt
+++ b/dataforge-context/src/commonMain/kotlin/hep/dataforge/context/PluginManager.kt
@@ -116,7 +116,7 @@ class PluginManager(override val context: Context) : ContextAware, Iterable<Plug
         val loaded = get(tag, false)
         return when {
             loaded == null -> load(PluginRepository.fetch(tag,meta))
-            loaded.config == meta -> loaded // if meta is the same, return existing plugin
+            loaded.meta == meta -> loaded // if meta is the same, return existing plugin
             else -> throw RuntimeException("Can't load plugin with tag $tag. Plugin with this tag and different configuration already exists in context.")
         }
     }
@@ -125,7 +125,7 @@ class PluginManager(override val context: Context) : ContextAware, Iterable<Plug
         val loaded = get(factory.tag, false)
         return when {
             loaded == null -> load(factory(meta))
-            loaded.config == meta -> loaded // if meta is the same, return existing plugin
+            loaded.meta == meta -> loaded // if meta is the same, return existing plugin
             else -> throw RuntimeException("Can't load plugin with tag ${factory.tag}. Plugin with this tag and different configuration already exists in context.")
         }
     }
@@ -146,7 +146,7 @@ class PluginManager(override val context: Context) : ContextAware, Iterable<Plug
                     error("Corrupt type information in plugin repository")
                 }
             }
-            loaded.config == meta -> loaded // if meta is the same, return existing plugin
+            loaded.meta == meta -> loaded // if meta is the same, return existing plugin
             else -> throw RuntimeException("Can't load plugin with type $type. Plugin with this type and different configuration already exists in context.")
         }
     }
diff --git a/dataforge-context/src/commonMain/kotlin/hep/dataforge/context/PluginRepository.kt b/dataforge-context/src/commonMain/kotlin/hep/dataforge/context/PluginRepository.kt
index 8a560fda..eb715f80 100644
--- a/dataforge-context/src/commonMain/kotlin/hep/dataforge/context/PluginRepository.kt
+++ b/dataforge-context/src/commonMain/kotlin/hep/dataforge/context/PluginRepository.kt
@@ -2,18 +2,14 @@ package hep.dataforge.context
 
 import hep.dataforge.meta.EmptyMeta
 import hep.dataforge.meta.Meta
-import hep.dataforge.meta.configure
 import kotlin.reflect.KClass
 
 interface PluginFactory<T : Plugin> {
     val tag: PluginTag
     val type: KClass<out T>
-    operator fun invoke(): T
+    operator fun invoke(meta: Meta = EmptyMeta): T
 }
 
-operator fun PluginFactory<*>.invoke(meta: Meta) = invoke().configure(meta)
-
-
 expect object PluginRepository {
 
     fun register(factory: PluginFactory<*>)
@@ -29,26 +25,25 @@ expect object PluginRepository {
  * Fetch specific plugin and instantiate it with given meta
  */
 fun PluginRepository.fetch(tag: PluginTag, meta: Meta = EmptyMeta): Plugin =
-    PluginRepository.list().find { it.tag.matches(tag) }?.invoke(meta)
-        ?: error("Plugin with tag $tag not found in the repository")
+    list().find { it.tag.matches(tag) }?.invoke(meta) ?: error("Plugin with tag $tag not found in the repository")
 
 fun <T : Plugin> PluginRepository.register(
     tag: PluginTag,
     type: KClass<out T>,
-    constructor: () -> T
+    constructor: (Meta) -> T
 ): PluginFactory<T> {
     val factory = object : PluginFactory<T> {
         override val tag: PluginTag = tag
         override val type: KClass<out T> = type
 
-        override fun invoke(): T = constructor()
+        override fun invoke(meta: Meta): T = constructor(meta)
 
     }
-    PluginRepository.register(factory)
+    register(factory)
     return factory
 }
 
-inline fun <reified T : Plugin> PluginRepository.register(tag: PluginTag, noinline constructor: () -> T) =
+inline fun <reified T : Plugin> PluginRepository.register(tag: PluginTag, noinline constructor: (Meta) -> T) =
     register(tag, T::class, constructor)
 
 fun PluginRepository.register(plugin: Plugin) = register(plugin.tag, plugin::class) { plugin }
\ No newline at end of file
diff --git a/dataforge-meta/src/commonMain/kotlin/hep/dataforge/names/Name.kt b/dataforge-meta/src/commonMain/kotlin/hep/dataforge/names/Name.kt
index 229598e4..9179f16e 100644
--- a/dataforge-meta/src/commonMain/kotlin/hep/dataforge/names/Name.kt
+++ b/dataforge-meta/src/commonMain/kotlin/hep/dataforge/names/Name.kt
@@ -61,6 +61,7 @@ data class NameToken(val body: String, val index: String = "") {
 }
 
 fun String.toName(): Name {
+    if (isBlank()) return EmptyName
     val tokens = sequence {
         var bodyBuilder = StringBuilder()
         var queryBuilder = StringBuilder()
diff --git a/dataforge-output/src/commonMain/kotlin/hep/dataforge/output/OutputManager.kt b/dataforge-output/src/commonMain/kotlin/hep/dataforge/output/OutputManager.kt
index 4e11e23e..47d9f59c 100644
--- a/dataforge-output/src/commonMain/kotlin/hep/dataforge/output/OutputManager.kt
+++ b/dataforge-output/src/commonMain/kotlin/hep/dataforge/output/OutputManager.kt
@@ -67,7 +67,7 @@ class ConsoleOutputManager : AbstractPlugin(), OutputManager {
 
         override val type = ConsoleOutputManager::class
 
-        override fun invoke() = ConsoleOutputManager()
+        override fun invoke(meta:Meta) = ConsoleOutputManager()
     }
 }