diff --git a/build.gradle.kts b/build.gradle.kts
index 67346ad..09a2430 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -66,6 +66,26 @@ tasks {
         enabled = false
     }
 
+    // Auto-copy le fat JAR vers le dossier mods du serveur dev Hytale après shadowJar.
+    // Override via -PdevServerMods=... ou la propriété `devServerMods` dans gradle.properties.
+    // Désactivable via -PdevServerMods=disabled (ou valeur vide).
+    val devServerModsDefault = "C:/Users/minit/Desktop/HYTALE SERVER/Server/mods"
+    val copyJarToDevServer by registering(Copy::class) {
+        val target = (findProperty("devServerMods") as String? ?: devServerModsDefault).trim()
+        onlyIf {
+            target.isNotEmpty() && target != "disabled" && file(target).isDirectory
+        }
+        from(shadowJar)
+        into(target)
+        doLast {
+            logger.lifecycle("[copyJarToDevServer] Copié vers $target")
+        }
+    }
+
+    shadowJar {
+        finalizedBy(copyJarToDevServer)
+    }
+
     build {
         dependsOn(shadowJar)
     }