diff --git a/data/plugins/agy-auth.yaml b/data/plugins/agy-auth.yaml
new file mode 100644
index 0000000..0ceb28b
--- /dev/null
+++ b/data/plugins/agy-auth.yaml
@@ -0,0 +1,4 @@
+name: OpenCode Antigravity CLI Auth
+repo: https://github.com/anthonyhaussman/opencode-agy-auth
+tagline: Google Antigravity account auth
+description: Authenticate the Opencode CLI with your Google account so you can use your existing Antigravity plan.
diff --git a/dist/registry.json b/dist/registry.json
index 308791c..4e70496 100644
--- a/dist/registry.json
+++ b/dist/registry.json
@@ -412,6 +412,18 @@
     ],
     "tags": []
   },
+  {
+    "productId": "antigravity-auth",
+    "type": "plugins",
+    "displayName": "Antigravity Auth",
+    "repoUrl": "https://github.com/anthonyhaussman/opencode-agy-auth",
+    "tagline": "Google Antigravity account auth",
+    "description": "Authenticate the Opencode CLI with your Google account so you can use your existing Antigravity plan.",
+    "scope": [
+      "global"
+    ],
+    "tags": []
+  },
   {
     "productId": "google-ai-search",
     "type": "plugins",