diff --git a/.config/fish/functions/c2-worktree.fish b/.config/fish/functions/c2-worktree.fish
new file mode 100644
index 0000000..132bfa8
--- /dev/null
+++ b/.config/fish/functions/c2-worktree.fish
@@ -0,0 +1,24 @@
+function c2-worktree
+    if test (count $argv) -ne 1
+        echo "Usage: pkg-worktree <branch-name>"
+        echo "Example: pkg-worktree package/package-update"
+        return 1
+    end
+
+    set branch $argv[1]
+    set dir (basename $branch)
+
+    git checkout -b $branch
+    or return 1
+
+    git checkout master
+    or return 1
+
+    git worktree add $dir $branch
+    or return 1
+
+    cd $dir
+    or return 1
+
+    pnpm i
+end