diff --git a/.gitignore b/.gitignore
index f9703ab..d16946b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -122,3 +122,4 @@ run/
 
 # Foundation build
 /.concrete-local-path
+/artifacts
diff --git a/artifacts/manifest.json b/artifacts/manifest.json
deleted file mode 100644
index 4f4afc2..0000000
--- a/artifacts/manifest.json
+++ /dev/null
@@ -1,62 +0,0 @@
-{
-  "items": [
-    {
-      "name": "foundation-bifrost",
-      "type": "bukkit-plugin",
-      "version": "DEV",
-      "dependencies": [
-        "foundation-core"
-      ],
-      "files": [
-        {
-          "name": "foundation-bifrost-DEV-plugin.jar",
-          "type": "plugin-jar",
-          "path": "foundation-bifrost/build/libs/foundation-bifrost-DEV-plugin.jar"
-        }
-      ]
-    },
-    {
-      "name": "foundation-chaos",
-      "type": "bukkit-plugin",
-      "version": "DEV",
-      "dependencies": [
-        "foundation-core"
-      ],
-      "files": [
-        {
-          "name": "foundation-chaos-DEV-plugin.jar",
-          "type": "plugin-jar",
-          "path": "foundation-chaos/build/libs/foundation-chaos-DEV-plugin.jar"
-        }
-      ]
-    },
-    {
-      "name": "foundation-core",
-      "type": "bukkit-plugin",
-      "version": "DEV",
-      "dependencies": [],
-      "files": [
-        {
-          "name": "foundation-core-DEV-plugin.jar",
-          "type": "plugin-jar",
-          "path": "foundation-core/build/libs/foundation-core-DEV-plugin.jar"
-        }
-      ]
-    },
-    {
-      "name": "foundation-heimdall",
-      "type": "bukkit-plugin",
-      "version": "DEV",
-      "dependencies": [
-        "foundation-core"
-      ],
-      "files": [
-        {
-          "name": "foundation-heimdall-DEV-plugin.jar",
-          "type": "plugin-jar",
-          "path": "foundation-heimdall/build/libs/foundation-heimdall-DEV-plugin.jar"
-        }
-      ]
-    }
-  ]
-}
diff --git a/build.gradle.kts b/build.gradle.kts
index 0b0dd50..eb52380 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -37,7 +37,7 @@ subprojects {
 
 val paperServerVersion: String = project.properties["paperServerVersion"]?.toString() ?: "1.18"
 
-concrete {
+concreteRoot {
   minecraftServerPath.set("server")
   paperServerVersionGroup.set(paperServerVersion)
   paperApiVersion.set("1.18.2-R0.1-SNAPSHOT")
diff --git a/foundation-bifrost/build.gradle.kts b/foundation-bifrost/build.gradle.kts
index 2664b90..d75e00c 100644
--- a/foundation-bifrost/build.gradle.kts
+++ b/foundation-bifrost/build.gradle.kts
@@ -11,6 +11,6 @@ dependencies {
   compileOnly(project(":foundation-shared"))
 }
 
-plugin {
+concreteItem {
   dependency(project(":foundation-core"))
 }
diff --git a/foundation-chaos/build.gradle.kts b/foundation-chaos/build.gradle.kts
index 025ca99..7a4a0df 100644
--- a/foundation-chaos/build.gradle.kts
+++ b/foundation-chaos/build.gradle.kts
@@ -7,6 +7,6 @@ dependencies {
   compileOnly(project(":foundation-shared"))
 }
 
-plugin {
+concreteItem {
   dependency(project(":foundation-core"))
 }
diff --git a/foundation-heimdall/build.gradle.kts b/foundation-heimdall/build.gradle.kts
index 4b5ddde..9ffc299 100644
--- a/foundation-heimdall/build.gradle.kts
+++ b/foundation-heimdall/build.gradle.kts
@@ -8,6 +8,6 @@ dependencies {
   implementation(project(":common-heimdall"))
 }
 
-plugin {
+concreteItem {
   dependency(project(":foundation-core"))
 }
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 038ea6d..9f246e5 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -40,7 +40,7 @@ dependencyResolutionManagement {
   versionCatalogs {
     create("libs") {
       version("versions-plugin", "0.45.0")
-      version("concrete", "0.14.0")
+      version("concrete", "0.15.0")
 
       plugin("versions", "com.github.ben-manes.versions").versionRef("versions-plugin")
 
diff --git a/tool-gjallarhorn/build.gradle.kts b/tool-gjallarhorn/build.gradle.kts
index bb1789e..277435b 100644
--- a/tool-gjallarhorn/build.gradle.kts
+++ b/tool-gjallarhorn/build.gradle.kts
@@ -19,3 +19,11 @@ tasks.jar {
 tasks.assemble {
   dependsOn("shadowJar")
 }
+
+concreteItem {
+  type.set("tool")
+
+  fileInclusion {
+    tasks.shadowJar.get().outputs.files.associateWith { "tool-jar" }
+  }
+}