diff --git a/src/app/app.ts b/src/app/app.ts
index ca8c339..1150284 100644
--- a/src/app/app.ts
+++ b/src/app/app.ts
@@ -194,6 +194,16 @@ export default class Enclave<P = Page> {
         this.forceRender();
 
         return;
+
+      case "MessageDeleted":
+        delete server.messages[msg.channel_id][msg.message_id];
+        this.forceRender();
+        return;
+
+      case "MessageEdited":
+        server.messages[msg.channel_id][msg.message.id] = msg.message;
+        this.forceRender();
+        return;
     }
   }
 }
diff --git a/src/app/protocol.ts b/src/app/protocol.ts
index 69b5777..0d1c204 100644
--- a/src/app/protocol.ts
+++ b/src/app/protocol.ts
@@ -19,6 +19,16 @@ export type ClientMethod =
   | {
       method: "Users";
       users: Record<string, ClientMeta>;
+    }
+  | {
+      method: "MessageEdited";
+      channel_id: string;
+      message: StoredMessage;
+    }
+  | {
+      method: "MessageDeleted";
+      channel_id: string;
+      message_id: string;
     };
 
 export type ServerMethod =
@@ -49,4 +59,16 @@ export type ServerMethod =
   | {
       method: "GetUsers";
       pubkeys: string[];
+    }
+  | {
+      method: "EditMessage";
+      message_id: string;
+      channel_id: string;
+      content: string;
+      signature: string;
+    }
+  | {
+      method: "DeleteMessage";
+      channel_id: string;
+      message_id: string;
     };