diff --git a/AGENTS.md b/AGENTS.md
index f130a0d..1d8516d 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -2,7 +2,7 @@
 
 This file provides guidance to AI coding agents when working with this repository.
 
-<!-- embedder github.com/rubykatzen/embedder@v0.0.4:message-prefix.md -->
+<!-- embedder ./fragments/message-prefix.md -->
 ## Message Prefix
 
 Prefix every user-visible agent message with the agent emoji followed by the
@@ -17,6 +17,7 @@ Use the emoji to identify the agent:
 - `🤖` Codex
 - `🤔` Claude Code
 - `🖊️` Cursor
+- `🧑‍✈️` GitHub Copilot
 - `🧩` unknown or other agent
 
 This applies to chat replies, PR comments, review comments, issue comments,