diff --git a/manifest.json b/manifest.json
new file mode 100644
index 0000000..304b8fd
--- /dev/null
+++ b/manifest.json
@@ -0,0 +1,16 @@
+{
+  "name": "The Nexus — Timmy's Sovereign Home",
+  "short_name": "The Nexus",
+  "description": "A sovereign 3D world for Timmy, the local-first AI agent.",
+  "start_url": "/",
+  "display": "standalone",
+  "background_color": "#050510",
+  "theme_color": "#4af0c0",
+  "icons": [
+    {
+      "src": "/favicon.ico",
+      "sizes": "64x64",
+      "type": "image/x-icon"
+    }
+  ]
+}
\ No newline at end of file