diff --git a/scripts/completions.py b/scripts/completions.py
new file mode 100644
index 0000000..c0c7b76
--- /dev/null
+++ b/scripts/completions.py
@@ -0,0 +1,44 @@
+"""Shell completion generation script."""
+
+import sys
+sys.path.insert(0, "/app")
+
+from config_convert.cli import app
+
+
+def generate_bash_completion():
+    """Generate bash completion script."""
+    from typer.testing import CliRunner
+    runner = CliRunner()
+    result = runner.invoke(app, ["--show-completion", "bash"])
+    print(result.output)
+
+
+def generate_zsh_completion():
+    """Generate zsh completion script."""
+    from typer.testing import CliRunner
+    runner = CliRunner()
+    result = runner.invoke(app, ["--show-completion", "zsh"])
+    print(result.output)
+
+
+def generate_fish_completion():
+    """Generate fish completion script."""
+    from typer.testing import CliRunner
+    runner = CliRunner()
+    result = runner.invoke(app, ["--show-completion", "fish"])
+    print(result.output)
+
+
+if __name__ == "__main__":
+    import argparse
+    parser = argparse.ArgumentParser(description="Generate shell completions")
+    parser.add_argument("shell", choices=["bash", "zsh", "fish"], help="Shell type")
+    args = parser.parse_args()
+
+    if args.shell == "bash":
+        generate_bash_completion()
+    elif args.shell == "zsh":
+        generate_zsh_completion()
+    else:
+        generate_fish_completion()