diff --git a/justfile b/justfile
index bf69423..663d23c 100644
--- a/justfile
+++ b/justfile
@@ -6,5 +6,8 @@ lint:
 
 fmt:
     uv run ruff format
+    
+typecheck:
+    uv run basedpyright
 
-check: lint test
\ No newline at end of file
+check: lint test typecheck
\ No newline at end of file
diff --git a/untitled/app.py b/untitled/app.py
index e69de29..3ab1605 100644
--- a/untitled/app.py
+++ b/untitled/app.py
@@ -0,0 +1,3 @@
+class App:
+    def __init__(self):
+        pass