diff --git a/packages/mcp-wrapper/default.nix b/packages/mcp-wrapper/default.nix
new file mode 100644
index 0000000..377a2dc
--- /dev/null
+++ b/packages/mcp-wrapper/default.nix
@@ -0,0 +1,6 @@
+{ pkgs }:
+
+pkgs.writeShellScriptBin "mcp-npx" ''
+  # Wrapper that provides npx with Node.js in PATH
+  exec ${pkgs.nodejs_22}/bin/npx "$@"
+''