diff --git a/.codex-plugin/plugin.json b/.codex-plugin/plugin.json
index 7d39b821c..2d89ecb43 100644
--- a/.codex-plugin/plugin.json
+++ b/.codex-plugin/plugin.json
@@ -2,5 +2,8 @@
   "name": "antigravity",
   "version": "0.2.1",
   "description": "Repository knowledge engine plugin (Codex CLI). Bundles slash commands (/ag-setup, /ag-init, /ag-refresh, /ag-ask) plus the agent-repo-init skill. Backed by the ag-ask / ag-refresh CLI; MCP optional.",
-  "skills": "./skills/"
+  "skills": "./skills/",
+  "interface": {
+    "composerIcon": "./assets/icon.png"
+  }
 }
diff --git a/assets/icon.png b/assets/icon.png
new file mode 100644
index 000000000..7bda1e81a
Binary files /dev/null and b/assets/icon.png differ