diff --git a/src/utility/message-formatting.ts b/src/utility/message-formatting.ts
index b2f5d08..547391b 100644
--- a/src/utility/message-formatting.ts
+++ b/src/utility/message-formatting.ts
@@ -129,6 +129,15 @@ export const applyTextFormat = (
     ? str
     : `${IRC_FMT_FORMAT_MAP[format]}${str}${IRC_FMT_RESET}`;
 
+/**
+ * Apply CTCP control characters with a command.
+ * @param message Message
+ * @param command CTCP command, e.g. `ACTION`
+ * @returns Text with control characters
+ */
+export const applyCTCP = (message: string, command = 'ACTION') =>
+  `\x01${command.toUpperCase()} ${message}\x01`;
+
 const styleCheckRe = /[\x00-\x1F]/;
 const backRe = /^(\d{1,2})(,(\d{1,2}))?/;
 const colourKey = '\x03';