diff --git a/toolutils/BUILD.bazel b/toolutils/BUILD.bazel
new file mode 100644
index 0000000..7c0a6a7
--- /dev/null
+++ b/toolutils/BUILD.bazel
@@ -0,0 +1,12 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library")
+
+go_library(
+    name = "go_default_library",
+    srcs = ["ast.go"],
+    importpath = "github.com/google/go-jsonnet/toolutils",
+    visibility = ["//visibility:public"],
+    deps = [
+        "//ast:go_default_library",
+        "//internal/parser:go_default_library",
+    ],
+)
diff --git a/toolutils/ast.go b/toolutils/ast.go
new file mode 100644
index 0000000..b791252
--- /dev/null
+++ b/toolutils/ast.go
@@ -0,0 +1,12 @@
+// Package toolutils includes several utilities handy for use in code analysis tools
+package toolutils
+
+import (
+	"github.com/google/go-jsonnet/ast"
+	"github.com/google/go-jsonnet/internal/parser"
+)
+
+// Children returns all children of a node. It supports ASTs before and after desugaring.
+func Children(node ast.Node) []ast.Node {
+	return parser.Children(node)
+}