diff --git a/.buckconfig b/.buckconfig
new file mode 100644
index 0000000..de18401
--- /dev/null
+++ b/.buckconfig
@@ -0,0 +1,27 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+#
+# This source code is licensed under both the MIT license found in the
+# LICENSE-MIT file in the root directory of this source tree and the Apache
+# License, Version 2.0 found in the LICENSE-APACHE file in the root directory
+# of this source tree.
+
+[cells]
+shim = .
+prelude = prelude
+toolchains = .
+none = none
+
+[cell_aliases]
+config = prelude
+ovr_config = prelude
+fbcode = shim
+fbsource = shim
+fbcode_macros = shim
+bazel_skylib = shim
+buck = shim
+
+[external_cells]
+prelude = bundled
+
+[parser]
+target_platform_detector_spec = target:shim//...->prelude//platforms:default
diff --git a/.buckroot b/.buckroot
new file mode 100644
index 0000000..a869e83
--- /dev/null
+++ b/.buckroot
@@ -0,0 +1,6 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+#
+# This source code is licensed under both the MIT license found in the
+# LICENSE-MIT file in the root directory of this source tree and the Apache
+# License, Version 2.0 found in the LICENSE-APACHE file in the root directory
+# of this source tree.