diff --git a/nmcp/src/main/kotlin/nmcp/internal/DefaultNmcpAggregationExtension.kt b/nmcp/src/main/kotlin/nmcp/internal/DefaultNmcpAggregationExtension.kt
index 90ad2b2..ff08f17 100644
--- a/nmcp/src/main/kotlin/nmcp/internal/DefaultNmcpAggregationExtension.kt
+++ b/nmcp/src/main/kotlin/nmcp/internal/DefaultNmcpAggregationExtension.kt
@@ -7,9 +7,18 @@ import nmcp.NmcpAggregationExtension
 import nmcp.nmcpAggregationExtensionName
 import org.gradle.api.Action
 import org.gradle.api.Project
+import org.gradle.api.artifacts.result.ArtifactResult
+import org.gradle.api.artifacts.result.ResolvedArtifactResult
+import org.gradle.api.attributes.Usage
+import org.gradle.api.file.ConfigurableFileCollection
 import org.gradle.api.file.FileCollection
+import org.gradle.api.file.RegularFileProperty
 
-@GExtension(pluginId = "com.gradleup.nmcp.aggregation", publicType = NmcpAggregationExtension::class, extensionName = nmcpAggregationExtensionName)
+@GExtension(
+    pluginId = "com.gradleup.nmcp.aggregation",
+    publicType = NmcpAggregationExtension::class,
+    extensionName = nmcpAggregationExtensionName,
+)
 internal abstract class DefaultNmcpAggregationExtension(private val project: Project) : NmcpAggregationExtension {
     private val spec = project.objects.newInstance(CentralPortalOptions::class.java)
 
@@ -20,16 +29,26 @@ internal abstract class DefaultNmcpAggregationExtension(private val project: Pro
         it.configureAttributes(project)
     }
 
-    override val allFiles: FileCollection = consumerConfiguration.incoming.artifactView { it.lenient(true) }.files.asFileTree
+    override val allFiles: ConfigurableFileCollection = project.files()
 
     init {
-
+        allFiles.from(
+            consumerConfiguration
+                .incoming
+                .artifactView { it.lenient(true) }
+                .artifacts
+                .resolvedArtifacts
+                .map {
+                    it.filter(::isCompatible).map { it.file }
+                },
+        )
         project.registerPublishToCentralPortalTasks(
             kind = Kind.aggregation,
             inputFiles = allFiles,
-            spec = spec
+            spec = spec,
         )
     }
+
     override fun centralPortal(action: Action<CentralPortalOptions>) {
         action.execute(spec)
     }
@@ -49,3 +68,11 @@ internal abstract class DefaultNmcpAggregationExtension(private val project: Pro
         }
     }
 }
+
+private fun isCompatible(artifactResult: ArtifactResult): Boolean {
+    if (artifactResult !is ResolvedArtifactResult) {
+        return false
+    }
+    val usage = artifactResult.variant.attributes.getAttribute(Usage.USAGE_ATTRIBUTE)
+    return usage?.name == usageValue
+}
diff --git a/nmcp/src/main/kotlin/nmcp/internal/utils.kt b/nmcp/src/main/kotlin/nmcp/internal/utils.kt
index 9ebfb8c..5c090dd 100644
--- a/nmcp/src/main/kotlin/nmcp/internal/utils.kt
+++ b/nmcp/src/main/kotlin/nmcp/internal/utils.kt
@@ -37,16 +37,10 @@ internal fun Project.withRequiredPlugin(id: String, block: () -> Unit) {
 
 internal val nmcpConsumerConfigurationName = "nmcpAggregation"
 internal val nmcpProducerConfigurationName = "nmcpProducer"
-internal val attribute = "com.gradleup.nmcp"
-internal val attributeValue = "bundle"
 internal val usageValue = "nmcp"
 
 internal fun HasConfigurableAttributes<*>.configureAttributes(project: Project) {
     attributes {
-        it.attribute(
-            Attribute.of(attribute, Named::class.java),
-            project.objects.named(Named::class.java, attributeValue),
-        )
         it.attribute(USAGE_ATTRIBUTE, project.objects.named(Usage::class.java, usageValue))
     }
 }