diff --git a/justfile b/justfile
new file mode 100644
index 0000000..bf671c1
--- /dev/null
+++ b/justfile
@@ -0,0 +1,14 @@
+lint:
+    uv run ruff check --fix .
+    uv run ruff format .
+
+typecheck:
+    uvx ty check
+
+test:
+    uv run pytest
+
+check: lint
+
+run:
+    uv run python playscii.py