diff --git a/tools/Android.bp b/tools/Android.bp
index 1f0d406..f446973 100644
--- a/tools/Android.bp
+++ b/tools/Android.bp
@@ -64,3 +64,8 @@
   name: "check_elf_file",
   srcs: ["check_elf_file.py"],
 }
+
+python_binary_host {
+  name: "generate_gts_shared_report",
+  srcs: ["generate_gts_shared_report.py"],
+}
diff --git a/tools/generate_gts_shared_report.py b/tools/generate_gts_shared_report.py
new file mode 100644
index 0000000..11c9364
--- /dev/null
+++ b/tools/generate_gts_shared_report.py
@@ -0,0 +1,128 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2022 The Android Open Source Project
+#
+# 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
+#
+#      http://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.
+"""
+Checks and generates a report for gts modules that should be open-sourced.
+
+Usage:
+  generate_gts_open_source_report.py
+    --gtsv-metalic [gts-verifier meta_lic]
+    --gts-test-metalic [android-gts meta_lic]
+    --checkshare [COMPLIANCE_CHECKSHARE]
+    --gts-test-dir [directory of android-gts]
+    --output [output file]
+
+Output example:
+  GTS-Verifier: PASS/FAIL
+  GTS-Modules: PASS/FAIL
+    GtsIncrementalInstallTestCases_BackgroundProcess
+    GtsUnsignedNetworkStackTestCases
+"""
+import sys
+import argparse
+import subprocess
+import re
+
+def _get_args():
+    """Parses input arguments."""
+    parser = argparse.ArgumentParser()
+    parser.add_argument(
+        '--gtsv-metalic', required=True,
+        help='license meta_lic file path of gts-verifier.zip')
+    parser.add_argument(
+        '--gts-test-metalic', required=True,
+        help='license meta_lic file path of android-gts.zip')
+    parser.add_argument(
+        '--checkshare', required=True,
+        help='path of the COMPLIANCE_CHECKSHARE tool')
+    parser.add_argument(
+        '--gts-test-dir', required=True,
+        help='directory of android-gts')
+    parser.add_argument(
+        '-o', '--output', required=True,
+        help='file path of the output report')
+    return parser.parse_args()
+
+def _check_gtsv(checkshare: str, gtsv_metalic: str) -> str:
+    """Checks gts-verifier license.
+
+    Args:
+      checkshare: path of the COMPLIANCE_CHECKSHARE tool
+      gtsv_metalic: license meta_lic file path of gts-verifier.zip
+
+    Returns:
+      PASS when gts-verifier.zip doesn't need to be shared, and FAIL
+      when gts-verifier.zip need to be shared.
+    """
+    cmd = f'{checkshare} {gtsv_metalic}'
+    proc = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE,
+                            stderr=subprocess.PIPE)
+    proc.communicate()
+    return 'PASS' if proc.returncode == 0 else 'FAIL'
+
+def _check_gts_test(checkshare: str, gts_test_metalic: str,
+                    gts_test_dir: str) -> tuple[str, set[str]]:
+    """Checks android-gts license.
+
+    Args:
+      checkshare: path of the COMPLIANCE_CHECKSHARE tool
+      gts_test_metalic: license meta_lic file path of android-gts.zip
+      gts_test_dir: directory of android-gts
+
+    Returns:
+      Check result (PASS when android-gts doesn't need to be shared,
+      FAIL when some gts modules need to be shared) and gts modules
+      that need to be shared.
+    """
+    cmd = f'{checkshare} {gts_test_metalic}'
+    proc = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE,
+                            stderr=subprocess.PIPE)
+    _, str_stderr = map(lambda b: b.decode(), proc.communicate())
+    if proc.returncode == 0:
+        return 'PASS', []
+    open_source_modules = set()
+    for error_line in str_stderr.split('\n'):
+        # Skip the empty liness
+        if not error_line:
+            continue
+        module_meta_lic = error_line.strip().split()[0]
+        groups = re.fullmatch(
+            re.compile(f'.*/{gts_test_dir}/(.*)'), module_meta_lic)
+        if groups:
+            open_source_modules.add(
+                groups[1].removesuffix('.meta_lic'))
+    return 'FAIL', open_source_modules
+
+
+def main(argv):
+    args = _get_args()
+
+    gtsv_metalic = args.gtsv_metalic
+    gts_test_metalic = args.gts_test_metalic
+    output_file = args.output
+    checkshare = args.checkshare
+    gts_test_dir = args.gts_test_dir
+
+    with open(output_file, 'w') as file:
+        result = _check_gtsv(checkshare, gtsv_metalic)
+        file.write(f'GTS-Verifier: {result}\n')
+        result, open_source_modules = _check_gts_test(
+            checkshare, gts_test_metalic, gts_test_dir)
+        file.write(f'GTS-Modules: {result}\n')
+        for open_source_module in open_source_modules:
+            file.write(f'\t{open_source_module}\n')
+
+if __name__ == "__main__":
+    main(sys.argv)
\ No newline at end of file