diff --git a/build.gradle.kts b/build.gradle.kts
index a07f934..959c356 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -35,7 +35,7 @@ dependencies {
 	compileOnly("com.lunarclient:apollo-api:1.2.4")
 	compileOnly("com.lunarclient:apollo-extra-adventure4:1.2.4")
 
-	compileOnly(files( "${rootProject.projectDir}/libs/VolcanoAPI.jar" ))
+	compileOnly(files( "${rootProject.projectDir}/libs/McScrims-CoreSystem-1.0.0.jar" ))
 
 	compileOnly("io.papermc.paper:paper-api:1.21.1-R0.1-SNAPSHOT")
 	compileOnly("com.sk89q.worldedit:worldedit-core:7.2.17-SNAPSHOT")
diff --git a/src/main/kotlin/club/mcscrims/speedhg/SpeedHG.kt b/src/main/kotlin/club/mcscrims/speedhg/SpeedHG.kt
index abc3cb3..1e9d425 100644
--- a/src/main/kotlin/club/mcscrims/speedhg/SpeedHG.kt
+++ b/src/main/kotlin/club/mcscrims/speedhg/SpeedHG.kt
@@ -46,9 +46,9 @@ import club.mcscrims.speedhg.perk.impl.ScavengerPerk
 import club.mcscrims.speedhg.perk.impl.VampirePerk
 import club.mcscrims.speedhg.perk.listener.PerkEventDispatcher
 import club.mcscrims.speedhg.ranking.RankingManager
+import club.mcscrims.speedhg.scoreboard.McScrimsRankProvider
 import club.mcscrims.speedhg.scoreboard.ScoreboardManager
 import club.mcscrims.speedhg.scoreboard.TablistManager
-import club.mcscrims.speedhg.scoreboard.VolcanoServerRankProvider
 import club.mcscrims.speedhg.team.gui.PresetTeamManager
 import club.mcscrims.speedhg.team.gui.TeamSelectionListener
 import club.mcscrims.speedhg.webhook.DiscordWebhookManager
@@ -189,7 +189,7 @@ class SpeedHG : JavaPlugin() {
 		discordWebhookManager = DiscordWebhookManager( this )
 		lunarClientManager    = LunarClientManager( this )
 		lobbyItemManager      = LobbyItemManager( this )
-		tablistManager        = TablistManager( this, VolcanoServerRankProvider() )
+		tablistManager        = TablistManager( this, McScrimsRankProvider() )
 		presetTeamManager     = PresetTeamManager( this )
 
 		perkManager = PerkManager( this )
@@ -310,7 +310,7 @@ class SpeedHG : JavaPlugin() {
 		pm.registerEvents( MenuListener(), this )
 		pm.registerEvents(PerkEventDispatcher( this, perkManager ), this )
 		pm.registerEvents( lobbyItemManager, this )
-		pm.registerEvents(ChatListener( this, VolcanoServerRankProvider() ), this )
+		pm.registerEvents(ChatListener( this, McScrimsRankProvider() ), this )
 		pm.registerEvents(KnockbackListener( this ), this )
 		pm.registerEvents(TeamSelectionListener( this ), this )
 		pm.registerEvents( HungerListener(), this )
diff --git a/src/main/kotlin/club/mcscrims/speedhg/scoreboard/ServerRankProvider.kt b/src/main/kotlin/club/mcscrims/speedhg/scoreboard/ServerRankProvider.kt
index 3b32a41..e5e5eea 100644
--- a/src/main/kotlin/club/mcscrims/speedhg/scoreboard/ServerRankProvider.kt
+++ b/src/main/kotlin/club/mcscrims/speedhg/scoreboard/ServerRankProvider.kt
@@ -1,7 +1,7 @@
 package club.mcscrims.speedhg.scoreboard
 
-import me.zowpy.core.api.CoreAPI
-import me.zowpy.core.api.rank.Rank
+import club.mcscrims.core.api.McScrimsAPI
+import club.mcscrims.core.rank.model.Rank
 import net.kyori.adventure.text.Component
 import net.kyori.adventure.text.minimessage.MiniMessage
 import org.bukkit.entity.Player
@@ -16,7 +16,7 @@ interface ServerRankProvider {
 	 * in [TablistManager.WEIGHT_MAP] zeigt.
 	 * Muss einer der Keys sein: `"admin"`, `"mod"`, `"helper"`, `"player"`.
 	 */
-	fun getRankWeight( player: Player ): String
+	fun getRankWeight( player: Player): String
 
 	/**
 	 * Gibt die formatierte Prefix-Komponente zurück, die VOR dem
@@ -34,50 +34,19 @@ interface ServerRankProvider {
 	 */
 	fun getRankColor( player: Player ): String
 
-}
-
-/**
- * Einfache Implementierung auf Basis von Bukkit-Permissions.
- */
-class DefaultServerRankProvider : ServerRankProvider {
-
-	private val mm = MiniMessage.miniMessage()
-
-	override fun getRankWeight(
-		player: Player
-	): String = when {
-		player.hasPermission( "group.admin" )  -> "admin"
-		player.hasPermission( "group.mod" )    -> "mod"
-		player.hasPermission( "group.helper" ) -> "helper"
-		else                                           -> "player"
-	}
-
-	override fun getRankPrefix(
-		player: Player
-	): Component = when {
-		player.hasPermission( "group.admin" )  -> mm.deserialize( "<red><bold>[Admin]</bold></red>" )
-		player.hasPermission( "group.mod" )    -> mm.deserialize( "<green><bold>[Mod]</bold></green>" )
-		player.hasPermission( "group.helper" ) -> mm.deserialize( "<aqua><bold>[Helper]</bold></aqua>" )
-		else                                           -> Component.empty()
-	}
-
-	override fun getRankColor(
-		player: Player
-	): String = when {
-		player.hasPermission( "group.admin" )  -> "<red>"
-		player.hasPermission( "group.mod" )    -> "<green>"
-		player.hasPermission( "group.helper" ) -> "<aqua>"
-		else                                           -> "<gray>"
-	}
+	/**
+	 * Gibt den Namen vom Rang zurück
+	 */
+	fun getRankName( player: Player ): String
 
 }
 
 /**
- * Volcano Implementierung
+ * McScrimsAPI Implementierung
  */
-class VolcanoServerRankProvider : ServerRankProvider {
+class McScrimsRankProvider : ServerRankProvider {
 
-	private val coreAPI get() = CoreAPI.getInstance()
+	private val mcScrimsAPI get() = McScrimsAPI.get()
 	private val mm = MiniMessage.miniMessage()
 
 	override fun getRankWeight(
@@ -100,16 +69,22 @@ class VolcanoServerRankProvider : ServerRankProvider {
 		player: Player
 	): String
 	{
-		val rawColor = getRank( player ).displayColor
+		val rawColor = getRank( player ).prefix
 		return convertLegacyToMiniMessage( rawColor )
 	}
 
+	override fun getRankName(
+		player: Player
+	): String
+	{
+		return getRank( player ).id
+	}
+
 	private fun getRank(
 		player: Player
 	): Rank
 	{
-		val rank = coreAPI.profileManager.getByUUID( player.uniqueId ).realRank
-		return coreAPI.rankManager.getByUUID( rank.uuid )
+		return mcScrimsAPI.getRank( player.uniqueId )
 	}
 
 	/**
diff --git a/src/main/kotlin/club/mcscrims/speedhg/scoreboard/TablistManager.kt b/src/main/kotlin/club/mcscrims/speedhg/scoreboard/TablistManager.kt
index 808dd85..9358c28 100644
--- a/src/main/kotlin/club/mcscrims/speedhg/scoreboard/TablistManager.kt
+++ b/src/main/kotlin/club/mcscrims/speedhg/scoreboard/TablistManager.kt
@@ -58,7 +58,7 @@ import java.util.concurrent.ConcurrentHashMap
  */
 class TablistManager(
 	private val plugin: SpeedHG,
-	val rankProvider: ServerRankProvider = DefaultServerRankProvider()
+	val rankProvider: ServerRankProvider = McScrimsRankProvider()
 ) : Listener {
 
 	// =========================================================================