diff --git a/justfile b/justfile
new file mode 100644
index 0000000..89fbdc6
--- /dev/null
+++ b/justfile
@@ -0,0 +1,21 @@
+_default:
+    @just --list
+
+# performs steps for mac
+mac:
+    ./install-cli-tools.sh
+    ./setup-shell-config.sh
+    ./install-mac-apps.sh
+
+# performs steps for linux
+linux:
+    ./install-cli-tools.sh
+    ./setup-shell-config.sh
+
+# checks all shell scripts for errors
+shellcheck:
+    shellcheck *.sh
+
+# formats all shell scripts consistently
+shfmt:
+    shfmt -i 2 -w -s *.sh