diff --git a/cli/meta/j2/__init__.py b/cli/meta/j2/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/cli/meta/j2/compiler.py b/cli/meta/j2/compiler.py
new file mode 100755
index 00000000..e3030f8f
--- /dev/null
+++ b/cli/meta/j2/compiler.py
@@ -0,0 +1,76 @@
+#!/usr/bin/env python3
+import argparse
+import os
+import re
+import sys
+
+# Projekt-Root: vier Ebenen über diesem File
+PROJECT_ROOT = os.path.dirname(
+    os.path.dirname(
+        os.path.dirname(
+            os.path.dirname(__file__)
+        )
+    )
+)
+
+INCLUDE_RE = re.compile(r"^(\s*)\{%\s*include\s*['\"]([^'\"]+)['\"]\s*%\}")
+
+def expand_includes(rel_path, seen=None):
+    """
+    Liest die Datei rel_path (relative zum PROJECT_ROOT),
+    ersetzt rekursiv alle "{% include 'path' %}"-Zeilen durch den
+    Inhalt der jeweiligen Datei (mit gleicher Einrückung).
+    """
+    if seen is None:
+        seen = set()
+    rp = rel_path.replace("\\", "/")
+    if rp in seen:
+        raise RuntimeError(f"Circular include detected: {rp}")
+    seen.add(rp)
+
+    abs_path = os.path.join(PROJECT_ROOT, rp)
+    if not os.path.isfile(abs_path):
+        raise FileNotFoundError(f"Template not found: {rp}")
+
+    output_lines = []
+    for line in open(abs_path, encoding="utf-8"):
+        m = INCLUDE_RE.match(line)
+        if not m:
+            output_lines.append(line.rstrip("\n"))
+        else:
+            indent, inc_rel = m.group(1), m.group(2)
+            # rekursiver Aufruf
+            for inc_line in expand_includes(inc_rel, seen):
+                output_lines.append(indent + inc_line)
+    seen.remove(rp)
+    return output_lines
+
+def parse_args():
+    p = argparse.ArgumentParser(
+        description="Expand all {% include '...' %} directives in a Jinja2 template (no variable rendering)."
+    )
+    p.add_argument("template", help="Template path relative to project root")
+    p.add_argument(
+        "--out",
+        help="If given, write output to this file instead of stdout",
+        default=None
+    )
+    return p.parse_args()
+
+def main():
+    args = parse_args()
+
+    try:
+        lines = expand_includes(args.template)
+        text = "\n".join(lines)
+        if args.out:
+            with open(args.out, "w", encoding="utf-8") as f:
+                f.write(text + "\n")
+        else:
+            print(text)
+    except Exception as e:
+        sys.stderr.write(f"Error: {e}\n")
+        sys.exit(1)
+
+if __name__ == "__main__":
+    main()