diff --git a/azalea-protocol/src/packets/game/clientbound_set_carried_item_packet.rs b/azalea-protocol/src/packets/game/clientbound_set_carried_item_packet.rs
new file mode 100644
index 00000000..4f0bf575
--- /dev/null
+++ b/azalea-protocol/src/packets/game/clientbound_set_carried_item_packet.rs
@@ -0,0 +1,7 @@
+use packet_macros::GamePacket;
+
+/// Sent to change the player's slot selection.
+#[derive(Clone, Debug, GamePacket)]
+pub struct ClientboundSetCarriedItemPacket {
+    pub slot: u8,
+}
diff --git a/azalea-protocol/src/packets/game/clientbound_update_tags_packet.rs b/azalea-protocol/src/packets/game/clientbound_update_tags_packet.rs
new file mode 100644
index 00000000..a2f17370
--- /dev/null
+++ b/azalea-protocol/src/packets/game/clientbound_update_tags_packet.rs
@@ -0,0 +1,105 @@
+use std::collections::HashMap;
+
+use async_trait::async_trait;
+use azalea_core::resource_location::ResourceLocation;
+use packet_macros::GamePacket;
+use tokio::io::AsyncRead;
+
+use crate::mc_buf::{McBufReadable, McBufWritable, Readable, Writable};
+
+#[derive(Clone, Debug, GamePacket)]
+pub struct ClientboundUpdateTagsPacket {
+    pub tags: HashMap<ResourceLocation, Vec<Tags>>,
+}
+
+#[derive(Clone, Debug)]
+pub struct Tags {
+    pub name: ResourceLocation,
+    pub elements: Vec<i32>,
+}
+
+#[async_trait]
+impl McBufReadable for HashMap<ResourceLocation, Vec<Tags>> {
+    async fn read_into<R>(buf: &mut R) -> Result<Self, String>
+    where
+        R: AsyncRead + std::marker::Unpin + std::marker::Send,
+    {
+        println!("reading tags!");
+        let length = buf.read_varint().await? as usize;
+        println!("length: {}", length);
+        let mut data = HashMap::with_capacity(length);
+        for _ in 0..length {
+            let tag_type = buf.read_resource_location().await?;
+            println!("read tag type {}", tag_type);
+            let tags_count = buf.read_varint().await? as usize;
+            let mut tags_vec = Vec::with_capacity(tags_count);
+            for _ in 0..tags_count {
+                let tags = Tags::read_into(buf).await?;
+                tags_vec.push(tags);
+            }
+            println!("tags: {} {:?}", tag_type, tags_vec);
+            data.insert(tag_type, tags_vec);
+        }
+        Ok(data)
+    }
+}
+
+impl McBufWritable for HashMap<ResourceLocation, Vec<Tags>> {
+    fn write_into(&self, buf: &mut Vec<u8>) -> Result<(), std::io::Error> {
+        buf.write_varint(self.len() as i32)?;
+        for (k, v) in self {
+            k.write_into(buf)?;
+            v.write_into(buf)?;
+        }
+        Ok(())
+    }
+}
+
+#[async_trait]
+impl McBufReadable for Vec<Tags> {
+    async fn read_into<R>(buf: &mut R) -> Result<Self, String>
+    where
+        R: AsyncRead + std::marker::Unpin + std::marker::Send,
+    {
+        let tags_count = buf.read_varint().await? as usize;
+        let mut tags_vec = Vec::with_capacity(tags_count);
+        for _ in 0..tags_count {
+            let tags = Tags::read_into(buf).await?;
+            tags_vec.push(tags);
+        }
+        Ok(tags_vec)
+    }
+}
+
+impl McBufWritable for Vec<Tags> {
+    fn write_into(&self, buf: &mut Vec<u8>) -> Result<(), std::io::Error> {
+        buf.write_varint(self.len() as i32)?;
+        for tag in self {
+            tag.write_into(buf)?;
+        }
+        Ok(())
+    }
+}
+
+#[async_trait]
+impl McBufReadable for Tags {
+    async fn read_into<R>(buf: &mut R) -> Result<Self, String>
+    where
+        R: AsyncRead + std::marker::Unpin + std::marker::Send,
+    {
+        println!("reading tags.");
+        let name = buf.read_resource_location().await?;
+        println!("tags name: {}", name);
+        let elements = buf.read_int_id_list().await?;
+        println!("elements: {:?}", elements);
+        Ok(Tags { name, elements })
+    }
+}
+
+impl McBufWritable for Tags {
+    fn write_into(&self, buf: &mut Vec<u8>) -> Result<(), std::io::Error> {
+        self.name.write_into(buf)?;
+        buf.write_int_id_list(&self.elements)?;
+        Ok(())
+    }
+}