diff --git a/utils.hy b/utils.hy
index 29e9d25..a7de58e 100644
--- a/utils.hy
+++ b/utils.hy
@@ -10,6 +10,19 @@
 (import random)
 (import datetime [datetime])
 
+(defmacro -> [head #* args]
+  (setv ret head)
+  (for [node args]
+    (setv ret (if (isinstance node hy.models.Expression)
+                  `(~(get node 0) ~ret ~@(rest node))
+                  `(~node ~ret))))
+  ret)
+
+(defmacro lfor-> [name head #* rest]
+  (setv ret head)
+  (for [node rest]
+    (setv ret `(lfor ~name ~ret ~node)))
+  ret)
 
 (defn get-post-files []
   (setv markdown-files [])
@@ -33,10 +46,35 @@
     (with [f (open "strdb.txt" "w")]
       (f.write (.join "" str-set)))))
 
+(defn add-github-discussion [post-files]
+  (let [repo-id "MDEwOlJlcG9zaXRvcnkyMjg3NDM0MjQ="
+        category-id "DIC_kwDODaJZAM4CA7bf"
+        url "https://api.github.com/graphql"
+        header {"Authorization" f"Bearer {(os.environ.get "DISCUSSIONS_TOKEN")}"}
+        query-data {"query" "query{repository(owner: \"southfox-d\", name: \"southfox-d.github.io\"){id discussions(first:100, categoryId: \"DIC_kwDODaJZAM4CA7bf\"){nodes{title}}}}"}
+        query-request (requests.post url :headers header :json query-data)]
+    (query-request.raise_for_status)
+    (let [current-year (str (. (datetime.now) year))
+          discussion-post (-> (r.json) :data :repository :discussions :nodes)
+          discussion-post-titles (lfor x discussion-post (:title x))
+          local-post-titles (lfor-> it post-files
+                             (. (it.split "_posts/") [-1])
+                             (it.strip ".md")
+                             (+ it "/"))]
+      (for [post-title local-post-titles]
+        (when (not-in current-year post-title)
+          (continue))
+        (when (not-in post-title discussion-post-titles)
+          (let [create-data {"query" f"mutation{{createDiscussion(input: {{repositoryId: \"{repo-id}\", categoryId: \"{category-id}\", body: \"{(+ "https://blog.southfox.me/" post-title)}\", title: \"{post-title}\" }}) {{discussion {{id}}}}}}"}
+                create-request (requests.post url :headers header :json create-data)]
+            (create-request.raise_for_status)
+            (print f"Create post {post-title} discussion!")))))))
+
 (setv parser (argparse.ArgumentParser))
 (parser.add_argument "-d" :dest "deploy" :action "store_true")
 (setv args (parser.parse_args))
 
 (when args.deploy
   (let [post-files (get-post-files)]
-    (subset-font-file post-files)))
+    (subset-font-file post-files)
+    (add-github-discussion post-files)))