diff --git a/protoc_plugins/swagger_gen.py b/protoc_plugins/swagger_gen.py
new file mode 100755
index 0000000..0342d87
--- /dev/null
+++ b/protoc_plugins/swagger_gen.py
@@ -0,0 +1,74 @@
+#!/usr/bin/env python
+#
+# Copyright 2016 the original author or authors.
+#
+# 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.
+#
+import sys
+
+from google.protobuf.compiler import plugin_pb2 as plugin
+from simplejson import dumps
+
+# without this import, http method annotations would not be recognized:
+from google.api import annotations_pb2, http_pb2
+
+from chameleon.protoc_plugins.descriptor_parser import DescriptorParser
+from swagger_template import native_descriptors_to_swagger
+
+
+def generate_code(request, response):
+
+    assert isinstance(request, plugin.CodeGeneratorRequest)
+
+    parser = DescriptorParser()
+    native_data = parser.parse_file_descriptors(request.proto_file,
+                                                type_tag_name='_type',
+                                                fold_comments=True)
+    swagger = native_descriptors_to_swagger(native_data)
+
+    # generate the native decoded schema as json
+    # f = response.file.add()
+    # f.name = proto_file.name.replace('.proto', '.native.json')
+    # f.content = dumps(data)
+
+    # generate the real swagger.json file
+    f = response.file.add()
+    f.name = 'swagger.json'
+    f.content = dumps(swagger)
+
+
+if __name__ == '__main__':
+
+    if len(sys.argv) >= 2:
+        # read input from file, to allow troubleshooting
+        with open(sys.argv[1], 'r') as f:
+            data = f.read()
+    else:
+        # read input from stdin
+        data = sys.stdin.read()
+
+    # parse request
+    request = plugin.CodeGeneratorRequest()
+    request.ParseFromString(data)
+
+    # create response object
+    response = plugin.CodeGeneratorResponse()
+
+    # generate the output and the response
+    generate_code(request, response)
+
+    # serialize the response
+    output = response.SerializeToString()
+
+    # write response to stdout
+    sys.stdout.write(output)