diff --git a/justfile b/justfile
new file mode 100644
index 0000000..59e4cff
--- /dev/null
+++ b/justfile
@@ -0,0 +1,11 @@
+set quiet
+
+default:
+    just --list
+
+test:
+    gleam test
+
+format:
+    gleam format
+    just --fmt