diff --git a/stubs/cyclone/web.pyi b/stubs/cyclone/web.pyi
new file mode 100644
--- /dev/null
+++ b/stubs/cyclone/web.pyi
@@ -0,0 +1,172 @@
+# Stubs for cyclone.web (Python 3)
+#
+# NOTE: This dynamically typed stub was automatically generated by stubgen.
+
+from twisted.internet import protocol
+from typing import Any, Optional
+
+class RequestHandler:
+    SUPPORTED_METHODS: Any = ...
+    serialize_lists: bool = ...
+    no_keep_alive: bool = ...
+    xsrf_cookie_name: str = ...
+    application: Any = ...
+    request: Any = ...
+    path_args: Any = ...
+    path_kwargs: Any = ...
+    ui: Any = ...
+    def __init__(self, application: Any, request: Any, **kwargs: Any) -> None: ...
+
+    @property
+    def settings(self): ...
+    def default(self, *args: Any, **kwargs: Any) -> None: ...
+    def prepare(self) -> None: ...
+    def on_finish(self) -> None: ...
+    def on_connection_close(self, *args: Any, **kwargs: Any) -> None: ...
+    def clear(self) -> None: ...
+    def set_default_headers(self) -> None: ...
+    def set_status(self, status_code: Any, reason: Optional[Any] = ...) -> None: ...
+    def get_status(self): ...
+    def set_header(self, name: Any, value: Any) -> None: ...
+    def add_header(self, name: Any, value: Any) -> None: ...
+    def clear_header(self, name: Any) -> None: ...
+    def get_argument(self, name: Any, default: Any = ..., strip: bool = ...): ...
+    def get_arguments(self, name: Any, strip: bool = ...): ...
+    def decode_argument(self, value: Any, name: Optional[Any] = ...): ...
+    @property
+    def cookies(self): ...
+    def get_cookie(self, name: Any, default: Optional[Any] = ...): ...
+    def set_cookie(self, name: Any, value: Any, domain: Optional[Any] = ..., expires: Optional[Any] = ..., path: str = ..., expires_days: Optional[Any] = ..., **kwargs: Any) -> None: ...
+    def clear_cookie(self, name: Any, path: str = ..., domain: Optional[Any] = ...) -> None: ...
+    def clear_all_cookies(self) -> None: ...
+    def set_secure_cookie(self, name: Any, value: Any, expires_days: int = ..., **kwargs: Any) -> None: ...
+    def create_signed_value(self, name: Any, value: Any): ...
+    def get_secure_cookie(self, name: Any, value: Optional[Any] = ..., max_age_days: int = ...): ...
+    def redirect(self, url: Any, permanent: bool = ..., status: Optional[Any] = ...) -> None: ...
+    def write(self, chunk: Any) -> None: ...
+    def render(self, template_name: Any, **kwargs: Any): ...
+    def render_string(self, template_name: Any, **kwargs: Any): ...
+    def get_template_namespace(self): ...
+    def create_template_loader(self, template_path: Any): ...
+    def flush(self, include_footers: bool = ...) -> None: ...
+    def notifyFinish(self): ...
+    def finish(self, chunk: Optional[Any] = ...) -> None: ...
+    def send_error(self, status_code: int = ..., **kwargs: Any) -> None: ...
+    def write_error(self, status_code: Any, **kwargs: Any) -> None: ...
+    @property
+    def locale(self): ...
+    def get_user_locale(self) -> None: ...
+    def get_browser_locale(self, default: str = ...): ...
+    @property
+    def current_user(self): ...
+    def get_current_user(self) -> None: ...
+    def get_login_url(self): ...
+    def get_template_path(self): ...
+    @property
+    def xsrf_token(self): ...
+    def check_xsrf_cookie(self) -> None: ...
+    def xsrf_form_html(self): ...
+    def static_url(self, path: Any, include_host: Optional[Any] = ...): ...
+    def async_callback(self, callback: Any, *args: Any, **kwargs: Any): ...
+    def require_setting(self, name: Any, feature: str = ...) -> None: ...
+    def reverse_url(self, name: Any, *args: Any, **kwargs: Any): ...
+    def compute_etag(self): ...
+
+def asynchronous(method: Any): ...
+def removeslash(method: Any): ...
+def addslash(method: Any): ...
+
+class Application(protocol.ServerFactory):
+    protocol: Any = ...
+    transforms: Any = ...
+    handlers: Any = ...
+    named_handlers: Any = ...
+    error_handler: Any = ...
+    default_host: Any = ...
+    settings: Any = ...
+    ui_modules: Any = ...
+    ui_methods: Any = ...
+    def __init__(self, handlers: Optional[Any] = ..., default_host: str = ..., transforms: Optional[Any] = ..., error_handler: Optional[Any] = ..., **settings: Any) -> None: ...
+    def add_handlers(self, host_pattern: Any, host_handlers: Any) -> None: ...
+    def add_transform(self, transform_class: Any) -> None: ...
+    def __call__(self, request: Any): ...
+    def reverse_url(self, name: Any, *args: Any, **kwargs: Any): ...
+    def log_request(self, handler: Any) -> None: ...
+
+class HTTPError(Exception):
+    status_code: Any = ...
+    log_message: Any = ...
+    args: Any = ...
+    reason: Any = ...
+    def __init__(self, status_code: Any, log_message: Optional[Any] = ..., *args: Any, **kwargs: Any) -> None: ...
+
+class HTTPAuthenticationRequired(HTTPError):
+    status_code: int = ...
+    log_message: Any = ...
+    auth_type: Any = ...
+    kwargs: Any = ...
+    def __init__(self, log_message: Optional[Any] = ..., auth_type: str = ..., realm: str = ..., **kwargs: Any) -> None: ...
+
+class ErrorHandler(RequestHandler):
+    def initialize(self, status_code: Any) -> None: ...
+    def prepare(self) -> None: ...
+    def check_xsrf_cookie(self) -> None: ...
+
+class RedirectHandler(RequestHandler):
+    def initialize(self, url: Any, permanent: bool = ...) -> None: ...
+    def get(self) -> None: ...
+
+class StaticFileHandler(RequestHandler):
+    CACHE_MAX_AGE: Any = ...
+    root: Any = ...
+    default_filename: Any = ...
+    def initialize(self, path: Any, default_filename: Optional[Any] = ...) -> None: ...
+    @classmethod
+    def reset(cls) -> None: ...
+    def head(self, path: Any) -> None: ...
+    def get(self, path: Any, include_body: bool = ...) -> None: ...
+    def set_extra_headers(self, path: Any) -> None: ...
+    def get_cache_time(self, path: Any, modified: Any, mime_type: Any): ...
+    @classmethod
+    def make_static_url(cls, settings: Any, path: Any): ...
+    @classmethod
+    def get_version(cls, settings: Any, path: Any): ...
+    def parse_url_path(self, url_path: Any): ...
+
+class FallbackHandler(RequestHandler):
+    fallback: Any = ...
+    def initialize(self, fallback: Any) -> None: ...
+    def prepare(self) -> None: ...
+
+class OutputTransform:
+    def __init__(self, request: Any) -> None: ...
+    def transform_first_chunk(self, status_code: Any, headers: Any, chunk: Any, finishing: Any): ...
+    def transform_chunk(self, chunk: Any, finishing: Any): ...
+
+class GZipContentEncoding(OutputTransform):
+    CONTENT_TYPES: Any = ...
+    MIN_LENGTH: int = ...
+    def __init__(self, request: Any) -> None: ...
+    def transform_first_chunk(self, status_code: Any, headers: Any, chunk: Any, finishing: Any): ...
+    def transform_chunk(self, chunk: Any, finishing: Any): ...
+
+class ChunkedTransferEncoding(OutputTransform):
+    def __init__(self, request: Any) -> None: ...
+    def transform_first_chunk(self, status_code: Any, headers: Any, chunk: Any, finishing: Any): ...
+    def transform_chunk(self, block: Any, finishing: Any): ...
+
+def authenticated(method: Any): ...
+
+class URLReverseError(Exception): ...
+
+class URLSpec:
+    regex: Any = ...
+    handler_class: Any = ...
+    kwargs: Any = ...
+    name: Any = ...
+    def __init__(self, pattern: Any, handler_class: Any, kwargs: Optional[Any] = ..., name: Optional[Any] = ...) -> None: ...
+    def reverse(self, *args: Any, **kwargs: Any): ...
+url = URLSpec
+
+def create_signed_value(secret: Any, name: Any, value: Any): ...
+def decode_signed_value(secret: Any, name: Any, value: Any, max_age_days: int = ...): ...