diff --git a/Makefile.am b/Makefile.am
index 137aff091a..d95895a98c 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -41,6 +41,7 @@ EXTRA_DIST		= $(filter-out ${NODIST_BUILT_SOURCES},${BUILT_SOURCES}) VERSION.txt
 			  cmake/syslog-ng.pc.cmake	\
 			  cmake/syslog-ng-native-connector.pc.cmake	\
 			  syslog-ng-ctl/CMakeLists.txt	\
+			  syslog-ng-fx/CMakeLists.txt	\
 			  requirements.txt	\
 			  dev-requirements.txt  \
 			  optional-dev-requirements.txt  \
@@ -260,6 +261,7 @@ include docker/Makefile.am
 include modules/Makefile.am
 include syslog-ng/Makefile.am
 include syslog-ng-ctl/Makefile.am
+include syslog-ng-fx/Makefile.am
 include scripts/Makefile.am
 include tests/Makefile.am
 include doc/Makefile.am
diff --git a/lib/cfg-parser.c b/lib/cfg-parser.c
index 3656964704..9d10f7a3bb 100644
--- a/lib/cfg-parser.c
+++ b/lib/cfg-parser.c
@@ -30,8 +30,6 @@
 #include <stdlib.h>
 #include "str-utils.h"
 
-extern int main_debug;
-
 /* defined in the parser */
 int main_parse(CfgLexer *lexer, gpointer *dummy, gpointer arg);
 
diff --git a/lib/syslog-ng.h b/lib/syslog-ng.h
index 6928c3a382..de02bf892a 100644
--- a/lib/syslog-ng.h
+++ b/lib/syslog-ng.h
@@ -58,5 +58,6 @@ typedef struct _StatsClusterLabel StatsClusterLabel;
 
 /* configuration being parsed, used by the bison generated code, NULL whenever parsing is finished. */
 extern GlobalConfig *configuration;
+extern int cfg_parser_debug;
 
 #endif
diff --git a/syslog-ng-fx/CMakeLists.txt b/syslog-ng-fx/CMakeLists.txt
new file mode 100644
index 0000000000..a057587442
--- /dev/null
+++ b/syslog-ng-fx/CMakeLists.txt
@@ -0,0 +1,12 @@
+set(SYSLOG_NG_FX_SOURCES
+    syslog-ng-fx.c
+)
+
+add_executable(syslog-ng-fx ${SYSLOG_NG_FX_SOURCES})
+target_link_libraries(syslog-ng-fx PRIVATE
+    syslog-ng
+    secret-storage
+    GLib::GLib
+    ${RESOLV_LIBS})
+target_include_directories(syslog-ng-fx PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
+install(TARGETS syslog-ng-fx RUNTIME DESTINATION sbin)
diff --git a/syslog-ng-fx/Makefile.am b/syslog-ng-fx/Makefile.am
new file mode 100644
index 0000000000..bd1fc11ced
--- /dev/null
+++ b/syslog-ng-fx/Makefile.am
@@ -0,0 +1,17 @@
+
+
+bin_PROGRAMS			+= syslog-ng-fx/syslog-ng-fx
+
+syslog_ng_fx_syslog_ng_fx_SOURCES		= 	\
+	syslog-ng-fx/syslog-ng-fx.c
+
+syslog_ng_fx_syslog_ng_fx_LDADD		= \
+	$(MODULE_DEPS_LIBS) \
+	$(TOOL_DEPS_LIBS) \
+	$(top_builddir)/lib/secret-storage/libsecret-storage.la
+
+syslog_ng_fx_syslog_ng_fx_CPPFLAGS  =     \
+  $(AM_CPPFLAGS)            \
+  -I$(top_srcdir)/syslog-ng-fx
+
+EXTRA_syslog_ng_fx_syslog_ng_fx_DEPENDENCIES	= lib/libsyslog-ng.la lib/secret-storage/libsecret-storage.la
diff --git a/syslog-ng-fx/syslog-ng-fx.c b/syslog-ng-fx/syslog-ng-fx.c
new file mode 100644
index 0000000000..448f793534
--- /dev/null
+++ b/syslog-ng-fx/syslog-ng-fx.c
@@ -0,0 +1,65 @@
+#include "filterx/filterx-parser.h"
+#include "resolved-configurable-paths.h"
+#include "cfg.h"
+#include "apphook.h"
+
+static gboolean display_version = FALSE;
+static gboolean display_module_registry = FALSE;
+
+static GOptionEntry syslogng_fx_options[] =
+{
+  { "version",           'V',         0, G_OPTION_ARG_NONE, &display_version, "Display version number (" SYSLOG_NG_PACKAGE_NAME " " SYSLOG_NG_COMBINED_VERSION ")", NULL },
+  { "module-path",         0,         0, G_OPTION_ARG_STRING, &resolved_configurable_paths.initial_module_path, "Set the list of colon separated directories to search for modules, default=" SYSLOG_NG_MODULE_PATH, "<path>" },
+  { "module-registry",     0,         0, G_OPTION_ARG_NONE, &display_module_registry, "Display module information", NULL },
+#ifdef YYDEBUG
+  { "yydebug",           'y',         0, G_OPTION_ARG_NONE, &cfg_parser_debug, "Enable configuration parser debugging", NULL },
+#endif
+  { NULL },
+};
+
+
+
+int
+main(int argc, char *argv[])
+{
+  GOptionContext *ctx;
+  GError *error = NULL;
+  const gchar *text = "{ foo = 'bar'; }";
+  gint res = 1;
+
+
+  ctx = g_option_context_new("syslog-ng-fx");
+  g_option_context_add_main_entries(ctx, syslogng_fx_options, NULL);
+  if (!g_option_context_parse(ctx, &argc, &argv, &error))
+    {
+      fprintf(stderr, "Error parsing command line arguments: %s\n", error ? error->message : "Invalid arguments");
+      g_error_free(error);
+      g_option_context_free(ctx);
+      return 1;
+    }
+  g_option_context_free(ctx);
+  fprintf(stderr, "huhha\n");
+
+
+  app_startup();
+  configuration = cfg_new_snippet();
+  CfgLexer *lexer = cfg_lexer_new_buffer(configuration, text, strlen(text));
+
+  configuration->lexer = lexer;
+  cfg_set_global_paths(configuration);
+
+  gpointer result;
+  if (!cfg_parser_parse(&filterx_parser, lexer, &result, NULL))
+    {
+      fprintf(stderr, "Error parsing filterx expression\n");
+      goto exit;
+    }
+
+  res = 0;
+  filterx_expr_unref(result);
+exit:
+  cfg_free(configuration);
+  configuration = NULL;
+  app_shutdown();
+  return res;
+}
diff --git a/syslog-ng/main.c b/syslog-ng/main.c
index f0f8d2425f..0b53ad0f80 100644
--- a/syslog-ng/main.c
+++ b/syslog-ng/main.c
@@ -64,10 +64,6 @@ static gboolean dummy = FALSE;
 
 static MainLoopOptions main_loop_options;
 
-#ifdef YYDEBUG
-extern int cfg_parser_debug;
-#endif
-
 static GOptionEntry syslogng_options[] =
 {
   { "version",           'V',         0, G_OPTION_ARG_NONE, &display_version, "Display version number (" SYSLOG_NG_PACKAGE_NAME " " SYSLOG_NG_COMBINED_VERSION ")", NULL },