diff --git a/supabase/migrations/20260210000000_add_recommend_count.sql b/supabase/migrations/20260210000000_add_recommend_count.sql
new file mode 100644
index 00000000..f0dd1160
--- /dev/null
+++ b/supabase/migrations/20260210000000_add_recommend_count.sql
@@ -0,0 +1,23 @@
+ALTER TABLE documents ADD COLUMN recommend_count integer NOT NULL DEFAULT 0;
+
+UPDATE documents d
+SET recommend_count = (
+  SELECT COUNT(*) FROM recommends_on_documents r WHERE r.document = d.uri
+);
+
+CREATE OR REPLACE FUNCTION update_recommend_count() RETURNS trigger AS $$
+BEGIN
+  IF TG_OP = 'INSERT' THEN
+    UPDATE documents SET recommend_count = recommend_count + 1
+    WHERE uri = NEW.document;
+  ELSIF TG_OP = 'DELETE' THEN
+    UPDATE documents SET recommend_count = recommend_count - 1
+    WHERE uri = OLD.document;
+  END IF;
+  RETURN NULL;
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE TRIGGER trg_recommend_count
+AFTER INSERT OR DELETE ON recommends_on_documents
+FOR EACH ROW EXECUTE FUNCTION update_recommend_count();