diff --git a/functions/mkcd.fish b/functions/mkcd.fish
new file mode 100644
index 0000000..00c05b6
--- /dev/null
+++ b/functions/mkcd.fish
@@ -0,0 +1,4 @@
+# create directory and move into it
+function mkcd
+    mkdir $argv[1] && cd $argv[1]
+end