diff --git a/manifest.json b/manifest.json
new file mode 100644
index 0000000..b2b22ac
--- /dev/null
+++ b/manifest.json
@@ -0,0 +1,21 @@
+{
+  "name": "The Door",
+  "short_name": "The Door",
+  "description": "Crisis intervention and support from Timmy.",
+  "start_url": "/",
+  "display": "standalone",
+  "background_color": "#0d1117",
+  "theme_color": "#0d1117",
+  "icons": [
+    {
+      "src": "https://picsum.photos/seed/door/192/192",
+      "sizes": "192x192",
+      "type": "image/png"
+    },
+    {
+      "src": "https://picsum.photos/seed/door/512/512",
+      "sizes": "512x512",
+      "type": "image/png"
+    }
+  ]
+}