diff --git a/bazel_registry.json b/bazel_registry.json
new file mode 100644
index 0000000..e6a5d9d
--- /dev/null
+++ b/bazel_registry.json
@@ -0,0 +1,3 @@
+{
+  "mirrors": []
+}
diff --git a/modules/mpact-sim/1.0.0/MODULE.bazel b/modules/mpact-sim/1.0.0/MODULE.bazel
new file mode 100644
index 0000000..af9ac3d
--- /dev/null
+++ b/modules/mpact-sim/1.0.0/MODULE.bazel
@@ -0,0 +1,63 @@
+# Copyright 2026 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+module(
+    name = "com_google_mpact-sim",
+    version = "1.0.0",
+)
+
+# Core Dependencies
+bazel_dep(
+    name = "abseil-cpp",
+    version = "20240116.2",
+)
+bazel_dep(
+    name = "protobuf",
+    version = "29.0",
+    repo_name = "com_google_protobuf",
+)
+bazel_dep(
+    name = "googletest",
+    version = "1.14.0.bcr.1",
+    repo_name = "com_google_googletest",
+)
+bazel_dep(
+    name = "re2",
+    version = "2023-11-01",
+    repo_name = "com_googlesource_code_re2",
+)
+bazel_dep(
+    name = "rules_license",
+    version = "1.0.0",
+)
+bazel_dep(
+    name = "bazel_skylib",
+    version = "1.7.1",
+)
+bazel_dep(
+    name = "rules_cc",
+    version = "0.1.3",
+)
+
+# In MODULE.bazel
+non_module_deps = use_extension(
+    "//:extensions.bzl",
+    "non_module_deps",
+)
+use_repo(
+    non_module_deps,
+    "com_github_serge1_elfio",
+    "org_antlr4_cpp_runtime",
+    "org_antlr_tool",
+)
diff --git a/modules/mpact-sim/1.0.0/source.json b/modules/mpact-sim/1.0.0/source.json
new file mode 100644
index 0000000..a8c2357
--- /dev/null
+++ b/modules/mpact-sim/1.0.0/source.json
@@ -0,0 +1,5 @@
+{
+  "url": "https://github.com/google/mpact-sim/archive/e6513f42f3962a686e4183ff039df583c03f7524.tar.gz",
+  "integrity": "1f8bde4af612077947ff3310ac37864a6482712867c5d35ee369b00591dc5c85",
+  "strip_prefix": "mpact-sim-e6513f42f3962a686e4183ff039df583c03f7524"
+}
diff --git a/modules/mpact-sim/metadata.json b/modules/mpact-sim/metadata.json
new file mode 100644
index 0000000..eb99988
--- /dev/null
+++ b/modules/mpact-sim/metadata.json
@@ -0,0 +1,12 @@
+{
+  "versions": [
+    "1.0.0"
+  ],
+  "maintainers": [
+    {
+      "email": "mpact-dev-team@google.com",
+      "name": "MPACT Dev Team"
+    }
+  ],
+  "homepage": "https://github.com/google/mpact-sim"
+}