diff --git a/src/kiss/Helpers.hx b/src/kiss/Helpers.hx
index 9761579..efc5a2b 100644
--- a/src/kiss/Helpers.hx
+++ b/src/kiss/Helpers.hx
@@ -18,6 +18,9 @@ using kiss.Helpers;
 using kiss.Kiss;
 using StringTools;
 
+/**
+ * Compile-time helper functions for Kiss. Don't import or reference these at runtime.
+ */
 class Helpers {
     public static function macroPos(exp:ReaderExp) {
         var kissPos = exp.pos;
diff --git a/src/kiss/KissInterp.hx b/src/kiss/KissInterp.hx
new file mode 100644
index 0000000..78cc016
--- /dev/null
+++ b/src/kiss/KissInterp.hx
@@ -0,0 +1,14 @@
+package kiss;
+
+import hscript.Interp;
+
+class KissInterp extends Interp {
+    // TODO standardize this with KissConfig.prepareInterp
+    function new() {
+        super();
+
+        variables.set("Prelude", Prelude);
+        variables.set("Lambda", Lambda);
+        variables.set("Std", Std);
+    }
+}
diff --git a/src/kiss/Prelude.hx b/src/kiss/Prelude.hx
index 9689f12..d136b46 100644
--- a/src/kiss/Prelude.hx
+++ b/src/kiss/Prelude.hx
@@ -301,6 +301,7 @@ class Prelude {
             kissProcess = new Process("haxelib", ["run", "kiss", "--hscript"]);
 
         kissProcess.stdin.writeString('${kissStr.replace("\n", " ")}\n');
+
         try {
             var output = kissProcess.stdout.readLine();
             if (output.startsWith(">>> ")) {