diff --git a/fish/add-on.fish b/fish/add-on.fish
index 21283d9..d5b2133 100644
--- a/fish/add-on.fish
+++ b/fish/add-on.fish
@@ -139,4 +139,19 @@ abbr -a port 'sudo ss -tulnp | grep'
 abbr -a process 'sudo ps aux | grep'
 abbr -a service 'sudo systemctl list-units --type=service --all | grep'
 
-alias fastfetch="fastfetch --color-keys blue"
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+alias fastfetch="fastfetch --color-keys blue"
+
+function proxy --description 'Set HTTP proxy for current session'
+    echo -n "HTTP proxy address (e.g. http://192.168.5.14:6152): "
+    read proxy_addr
+
+    if test -n "$proxy_addr"
+        set -gx HTTP_PROXY "$proxy_addr"
+        set -gx HTTPS_PROXY "$proxy_addr"
+        echo "Proxy set: $proxy_addr"
+    else
+        echo "Proxy cleared"
+        set -e HTTP_PROXY
+        set -e HTTPS_PROXY
+    end
+end
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