diff --git a/.coderabbit.yaml b/.coderabbit.yaml
index fb72957..3de761f 100644
--- a/.coderabbit.yaml
+++ b/.coderabbit.yaml
@@ -16,6 +16,13 @@ reviews:
   auto_review:
     enabled: true
     drafts: false
+  pre_merge_checks:
+    custom_checks:
+      - mode: error
+        name: shell-check
+        instructions: |
+          - Always check if the shell scripts are valid and sytactically correct.
+          - Make sure there are examples for all the supported shells, such as bash, zsh, fish, etc.
 
 chat:
   auto_reply: true
diff --git a/templates/setup-example.sh b/templates/setup-example.sh
index d85221a..2039533 100755
--- a/templates/setup-example.sh
+++ b/templates/setup-example.sh
@@ -33,3 +33,8 @@ echo "✅ git gtr configured!"
 echo ""
 echo "View config with: git config --local --list | grep gtr"
 echo "Create a worktree with: git gtr new my-feature"
+
+# Fish shell completions for git gtr
+echo "To enable fish shell completions for git gtr, run:"
+echo "  ln -s /path/to/git-worktree-runner/completions/gtr.fish ~/.config/fish/completions/"
+echo "Then reload fish with: exec fish"