diff --git a/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/Context.java b/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/Context.java
index ca17fdb..43e8433 100644
--- a/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/Context.java
+++ b/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/Context.java
@@ -1,3 +1,20 @@
+/*
+ * This file is part of Leaves (https://github.com/LeavesMC/Leaves)
+ *
+ * Leaves is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Leaves is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Leaves. If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package org.leavesmc.leaves.protocol.core;
 
 import com.mojang.authlib.GameProfile;
diff --git a/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/IdentifierSelector.java b/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/IdentifierSelector.java
index 3fe9d89..feb963e 100644
--- a/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/IdentifierSelector.java
+++ b/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/IdentifierSelector.java
@@ -1,3 +1,20 @@
+/*
+ * This file is part of Leaves (https://github.com/LeavesMC/Leaves)
+ *
+ * Leaves is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Leaves is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Leaves. If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package org.leavesmc.leaves.protocol.core;
 
 import net.minecraft.server.level.ServerPlayer;
diff --git a/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/LeavesCustomPayload.java b/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/LeavesCustomPayload.java
index 59e4aff..e2901ac 100644
--- a/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/LeavesCustomPayload.java
+++ b/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/LeavesCustomPayload.java
@@ -1,3 +1,21 @@
+/*
+ * This file is part of Leaves (https://github.com/LeavesMC/Leaves)
+ *
+ * Leaves is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Leaves is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Leaves. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+
 package org.leavesmc.leaves.protocol.core;
 
 import net.minecraft.network.protocol.common.custom.CustomPacketPayload;
diff --git a/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/LeavesProtocol.java b/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/LeavesProtocol.java
index 8479a3f..1f32095 100644
--- a/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/LeavesProtocol.java
+++ b/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/LeavesProtocol.java
@@ -1,3 +1,21 @@
+/*
+ * This file is part of Leaves (https://github.com/LeavesMC/Leaves)
+ *
+ * Leaves is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Leaves is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Leaves. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+
 package org.leavesmc.leaves.protocol.core;
 
 import java.lang.annotation.ElementType;
diff --git a/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/LeavesProtocolManager.java b/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/LeavesProtocolManager.java
index 05386eb..1e9ad7f 100644
--- a/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/LeavesProtocolManager.java
+++ b/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/LeavesProtocolManager.java
@@ -1,3 +1,21 @@
+/*
+ * This file is part of Leaves (https://github.com/LeavesMC/Leaves)
+ *
+ * Leaves is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Leaves is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Leaves. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+
 package org.leavesmc.leaves.protocol.core;
 
 import com.mojang.logging.LogUtils;
diff --git a/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/ProtocolHandler.java b/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/ProtocolHandler.java
index 5aefe65..ff972f6 100644
--- a/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/ProtocolHandler.java
+++ b/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/ProtocolHandler.java
@@ -1,3 +1,21 @@
+/*
+ * This file is part of Leaves (https://github.com/LeavesMC/Leaves)
+ *
+ * Leaves is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Leaves is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Leaves. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+
 package org.leavesmc.leaves.protocol.core;
 
 import net.minecraft.server.level.ServerPlayer;
diff --git a/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/ProtocolUtils.java b/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/ProtocolUtils.java
index 963c3b4..594a073 100644
--- a/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/ProtocolUtils.java
+++ b/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/ProtocolUtils.java
@@ -1,3 +1,21 @@
+/*
+ * This file is part of Leaves (https://github.com/LeavesMC/Leaves)
+ *
+ * Leaves is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Leaves is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Leaves. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+
 package org.leavesmc.leaves.protocol.core;
 
 import io.netty.buffer.ByteBuf;
diff --git a/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/invoker/AbstractInvokerHolder.java b/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/invoker/AbstractInvokerHolder.java
index 23d0065..0153f6a 100644
--- a/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/invoker/AbstractInvokerHolder.java
+++ b/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/invoker/AbstractInvokerHolder.java
@@ -1,3 +1,20 @@
+/*
+ * This file is part of Leaves (https://github.com/LeavesMC/Leaves)
+ *
+ * Leaves is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Leaves is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Leaves. If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package org.leavesmc.leaves.protocol.core.invoker;
 
 import org.jetbrains.annotations.NotNull;
diff --git a/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/invoker/BytebufReceiverInvokerHolder.java b/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/invoker/BytebufReceiverInvokerHolder.java
index 958ba57..394f048 100644
--- a/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/invoker/BytebufReceiverInvokerHolder.java
+++ b/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/invoker/BytebufReceiverInvokerHolder.java
@@ -1,3 +1,20 @@
+/*
+ * This file is part of Leaves (https://github.com/LeavesMC/Leaves)
+ *
+ * Leaves is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Leaves is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Leaves. If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package org.leavesmc.leaves.protocol.core.invoker;
 
 import net.minecraft.network.FriendlyByteBuf;
diff --git a/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/invoker/EmptyInvokerHolder.java b/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/invoker/EmptyInvokerHolder.java
index d6e18d3..73f0d34 100644
--- a/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/invoker/EmptyInvokerHolder.java
+++ b/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/invoker/EmptyInvokerHolder.java
@@ -1,3 +1,20 @@
+/*
+ * This file is part of Leaves (https://github.com/LeavesMC/Leaves)
+ *
+ * Leaves is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Leaves is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Leaves. If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package org.leavesmc.leaves.protocol.core.invoker;
 
 import org.leavesmc.leaves.protocol.core.LeavesProtocol;
diff --git a/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/invoker/InitInvokerHolder.java b/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/invoker/InitInvokerHolder.java
index 128aaf8..cee85a3 100644
--- a/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/invoker/InitInvokerHolder.java
+++ b/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/invoker/InitInvokerHolder.java
@@ -1,3 +1,20 @@
+/*
+ * This file is part of Leaves (https://github.com/LeavesMC/Leaves)
+ *
+ * Leaves is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Leaves is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Leaves. If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package org.leavesmc.leaves.protocol.core.invoker;
 
 import org.leavesmc.leaves.protocol.core.LeavesProtocol;
diff --git a/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/invoker/MinecraftRegisterInvokerHolder.java b/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/invoker/MinecraftRegisterInvokerHolder.java
index 5960042..c2bf7de 100644
--- a/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/invoker/MinecraftRegisterInvokerHolder.java
+++ b/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/invoker/MinecraftRegisterInvokerHolder.java
@@ -1,3 +1,20 @@
+/*
+ * This file is part of Leaves (https://github.com/LeavesMC/Leaves)
+ *
+ * Leaves is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Leaves is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Leaves. If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package org.leavesmc.leaves.protocol.core.invoker;
 
 import net.minecraft.resources.ResourceLocation;
diff --git a/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/invoker/PayloadReceiverInvokerHolder.java b/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/invoker/PayloadReceiverInvokerHolder.java
index 2801bff..8cf3226 100644
--- a/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/invoker/PayloadReceiverInvokerHolder.java
+++ b/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/invoker/PayloadReceiverInvokerHolder.java
@@ -1,3 +1,20 @@
+/*
+ * This file is part of Leaves (https://github.com/LeavesMC/Leaves)
+ *
+ * Leaves is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Leaves is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Leaves. If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package org.leavesmc.leaves.protocol.core.invoker;
 
 import org.leavesmc.leaves.protocol.core.IdentifierSelector;
diff --git a/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/invoker/PlayerInvokerHolder.java b/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/invoker/PlayerInvokerHolder.java
index 5ed2c2d..3787eda 100644
--- a/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/invoker/PlayerInvokerHolder.java
+++ b/lophine-server/src/main/java/org/leavesmc/leaves/protocol/core/invoker/PlayerInvokerHolder.java
@@ -1,3 +1,20 @@
+/*
+ * This file is part of Leaves (https://github.com/LeavesMC/Leaves)
+ *
+ * Leaves is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Leaves is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Leaves. If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package org.leavesmc.leaves.protocol.core.invoker;
 
 import net.minecraft.server.level.ServerPlayer;