diff --git a/dot_config/private_fish/functions/random_free_port.fish b/dot_config/private_fish/functions/random_free_port.fish
new file mode 100644
index 0000000000000000000000000000000000000000..8bdad7aa2409cbffee7a158edeae305729596e08
--- /dev/null
+++ b/dot_config/private_fish/functions/random_free_port.fish
@@ -0,0 +1,7 @@
+function random_free_port --description 'Print a random unprivileged port not currently in use'
+    set -l p (shuf -i 1024-65535 -n 1)
+    while ss -tuln | string match -qr ":$p\$"
+        set p (shuf -i 1024-65535 -n 1)
+    end
+    echo $p
+end