diff --git a/AGENTS.md b/AGENTS.md
index f41507f..a274a0d 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -33,6 +33,17 @@ line containing exactly three emoji relevant to the message context:
 `EMOJI EMOJI EMOJI`
 <!-- /baseline fragment: message-suffix -->
 
+<!-- baseline fragment: no-emoji-in-docs -->
+## No Emoji in Documentation
+
+Do not use emoji in documentation or README content, including headings,
+prose, lists, and code comments. This applies to `README.md`, `AGENTS.md`,
+and any other Markdown documentation in the repository.
+
+This does not apply to the Message Prefix and Message Suffix conventions
+above, which require emoji in written agent communication.
+<!-- /baseline fragment: no-emoji-in-docs -->
+
 <!-- baseline fragment: embedded-fragments -->
 ## Embedded Fragments
 
diff --git a/config/embedder.yml b/config/embedder.yml
index 3b4e1f5..60cbcfe 100644
--- a/config/embedder.yml
+++ b/config/embedder.yml
@@ -34,6 +34,19 @@ fragments:
 
       `EMOJI EMOJI EMOJI`
       <!-- /baseline fragment: message-suffix -->
+  no-emoji-in-docs:
+    path: AGENTS.md
+    content: |
+      <!-- baseline fragment: no-emoji-in-docs -->
+      ## No Emoji in Documentation
+
+      Do not use emoji in documentation or README content, including headings,
+      prose, lists, and code comments. This applies to `README.md`, `AGENTS.md`,
+      and any other Markdown documentation in the repository.
+
+      This does not apply to the Message Prefix and Message Suffix conventions
+      above, which require emoji in written agent communication.
+      <!-- /baseline fragment: no-emoji-in-docs -->
   embedded-fragments:
     path: AGENTS.md
     content: |
diff --git a/test/test_embedder_config.py b/test/test_embedder_config.py
index 13128eb..1b78a47 100644
--- a/test/test_embedder_config.py
+++ b/test/test_embedder_config.py
@@ -23,10 +23,11 @@ def test_loads_embedder_config(self):
 
         self.assertEqual(
             set(fragments),
-            {"message-prefix", "message-suffix", "embedded-fragments", "dependabot"},
+            {"message-prefix", "message-suffix", "no-emoji-in-docs", "embedded-fragments", "dependabot"},
         )
         self.assertEqual(fragments["message-prefix"].path, "AGENTS.md")
         self.assertEqual(fragments["message-suffix"].path, "AGENTS.md")
+        self.assertEqual(fragments["no-emoji-in-docs"].path, "AGENTS.md")
         self.assertEqual(fragments["embedded-fragments"].path, "AGENTS.md")
 
     def test_rejects_invalid_config(self):