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+---
+title: "`oper-tag` Extension"
+layout: spec
+work-in-progress: true
+copyrights:
+  -
+    name: "David Schultz"
+    period: "2022"
+    email: "me@zpld.me"
+---
+
+## Notes for implementing work-in-progress version
+
+This is a work-in-progress specification.
+
+Software implementing this work-in-progress specification MUST NOT use the
+unprefixed `oper` tag name. Instead, implementations SHOULD use the
+`draft/oper` tag name to be interoperable with other software
+implementing a compatible work-in-progress version.
+
+## Description
+
+The `draft/oper` capability causes the server to add a [message tag][] to messages sent by a user who is currently an IRC operator.
+
+The tag MUST be named `draft/oper`. The value of the tag, if specified, MUST identify the operator.
+
+The tag MUST be added by the ircd to all commands sent by a user (e.g. PRIVMSG,
+MODE, NOTICE, and all others) and SHOULD be added to any numeric replies sent on behalf of the user.
+
+Servers supporting this capability MAY be configured to restrict visibility of this tag or its value.
+
+## Example
+
+Consider that I am identified to the `launchd` operator account while chatting with the `lunchd` nickname. I will send messages to three users with different configured levels of visibility.
+
+    @draft/oper=launchd :lunchd PRIVMSG full_access_friend :it's me!
+    @draft/oper :lunchd PRIVMSG partial_access_friend :you can see I'm an oper
+    :lunchd PRIVMSG unprivileged_friend :don't mind me
+
+[message tag]: ../extensions/message-tags