diff --git a/at.json b/at.json
new file mode 100644
index 0000000..cb903ea
--- /dev/null
+++ b/at.json
@@ -0,0 +1,27 @@
+{
+  "atmosphere": {
+    "uri": "https://atproto.com/ja/guides/glossary",
+    "exosphere": {
+      "km":[{ "min": 700, "max": 10000 }],
+      "tag": [ "universe" ]
+    },
+    "thermosphere": {
+      "km":[{ "min": 80, "max": 700 }],
+      "tag": [ "aurora" ]
+    },
+    "mesosphere": {
+      "km":[{ "min": 50, "max": 80 }],
+      "tag": [ "meteor" ]
+    },
+    "stratosphere": {
+      "km":[{ "min": 12, "max": 50 }],
+      "tag": [ "ozone" ]
+    },
+    "troposphere": {
+      "km":[{ "min": 0, "max": 12 }],
+      "tag": [ "bluesky" ]
+    }
+  },
+  "ref": "https://en.wikipedia.org/wiki/Atmosphere_of_Earth"
+}
+
diff --git a/at.zsh b/at.zsh
index dff1c56..54d0ea8 100755
--- a/at.zsh
+++ b/at.zsh
@@ -11,6 +11,7 @@ help=(
 	at.zsh s
 	at.zsh cid handle cid
 	at.zsh pro
+	at.zsh col ai.syui.game.user self
 )
 host=(
 	bsky.social