diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 448326fb..3e4a58ce 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -37,6 +37,8 @@ ci:
     - vulture
     - vulture-docs
     - yamlfix
+    - pyrefly
+    - pyrefly-docs
 
 # See https://pre-commit.com for more information
 # See https://pre-commit.com/hooks.html for more hooks
@@ -374,3 +376,21 @@ repos:
         types_or: [rst]
         additional_dependencies: [uv==0.9.5]
         stages: [pre-commit]
+
+      - id: pyrefly
+        name: pyrefly
+        stages: [pre-push]
+        entry: uv run --extra=dev pyrefly check
+        language: python
+        types_or: [python, toml]
+        pass_filenames: false
+        additional_dependencies: [uv==0.9.5]
+
+      - id: pyrefly-docs
+        name: pyrefly-docs
+        stages: [pre-push]
+        entry: uv run --extra=dev doccmd --no-write-to-file --example-workers 0 --language=python
+          --command="pyrefly check"
+        language: python
+        types_or: [markdown, rst]
+        additional_dependencies: [uv==0.9.5]
diff --git a/pyproject.toml b/pyproject.toml
index 2c4fce2e..03d257ff 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -51,6 +51,7 @@ optional-dependencies.dev = [
     "pre-commit==4.5.1",
     "pylint[spelling]==4.0.4",
     "pyproject-fmt==2.11.1",
+    "pyrefly==0.46.1",
     "pyright==1.1.407",
     "pyroma==5.0.1",
     "pytest==9.0.2",
diff --git a/src/vws_cli/options/credentials.py b/src/vws_cli/options/credentials.py
index 0d97a024..a9d8a60a 100644
--- a/src/vws_cli/options/credentials.py
+++ b/src/vws_cli/options/credentials.py
@@ -3,6 +3,7 @@
 """
 
 from collections.abc import Callable
+from typing import Any
 
 import click
 from beartype import beartype
@@ -10,12 +11,12 @@
 
 @beartype
 def server_access_key_option(
-    command: Callable[..., None] | None = None,
-) -> Callable[..., None]:
+    command: Callable[..., Any],
+) -> Callable[..., Any]:
     """
     An option decorator for the Vuforia server access key.
     """
-    click_option_function = click.option(
+    return click.option(
         "--server-access-key",
         type=str,
         help=(
@@ -25,19 +26,17 @@ def server_access_key_option(
         required=True,
         envvar="VUFORIA_SERVER_ACCESS_KEY",
         show_envvar=True,
-    )
-    assert command is not None
-    return click_option_function(command)
+    )(command)
 
 
 @beartype
 def server_secret_key_option(
-    command: Callable[..., None] | None = None,
-) -> Callable[..., None]:
+    command: Callable[..., Any],
+) -> Callable[..., Any]:
     """
     An option decorator for the Vuforia server secret key.
     """
-    click_option_function = click.option(
+    return click.option(
         "--server-secret-key",
         type=str,
         help=(
@@ -47,19 +46,17 @@ def server_secret_key_option(
         required=True,
         envvar="VUFORIA_SERVER_SECRET_KEY",
         show_envvar=True,
-    )
-    assert command is not None
-    return click_option_function(command)
+    )(command)
 
 
 @beartype
 def client_access_key_option(
-    command: Callable[..., None] | None = None,
-) -> Callable[..., None]:
+    command: Callable[..., Any],
+) -> Callable[..., Any]:
     """
     An option decorator for the Vuforia client access key.
     """
-    click_option_function = click.option(
+    return click.option(
         "--client-access-key",
         type=str,
         help=(
@@ -69,19 +66,17 @@ def client_access_key_option(
         required=True,
         envvar="VUFORIA_CLIENT_ACCESS_KEY",
         show_envvar=True,
-    )
-    assert command is not None
-    return click_option_function(command)
+    )(command)
 
 
 @beartype
 def client_secret_key_option(
-    command: Callable[..., None] | None = None,
-) -> Callable[..., None]:
+    command: Callable[..., Any],
+) -> Callable[..., Any]:
     """
     An option decorator for the Vuforia client secret key.
     """
-    click_option_function = click.option(
+    return click.option(
         "--client-secret-key",
         type=str,
         help=(
@@ -91,6 +86,4 @@ def client_secret_key_option(
         required=True,
         envvar="VUFORIA_CLIENT_SECRET_KEY",
         show_envvar=True,
-    )
-    assert command is not None
-    return click_option_function(command)
+    )(command)
diff --git a/src/vws_cli/options/targets.py b/src/vws_cli/options/targets.py
index a2be1896..e2c80622 100644
--- a/src/vws_cli/options/targets.py
+++ b/src/vws_cli/options/targets.py
@@ -10,7 +10,7 @@
 import click
 from beartype import beartype
 
-target_id_option: Callable[..., None] = click.option(
+target_id_option: Callable[..., Any] = click.option(
     "--target-id",
     type=str,
     help="The ID of a target in the Vuforia database.",
@@ -19,7 +19,7 @@
 
 
 @beartype
-def target_name_option(*, required: bool) -> Callable[..., None]:
+def target_name_option(*, required: bool) -> Callable[..., Any]:
     """
     An option decorator for choosing a target name.
     """
@@ -77,7 +77,7 @@ class ActiveFlagChoice(Enum):
 def active_flag_option(
     *,
     allow_none: bool,
-) -> Callable[..., None]:
+) -> Callable[..., Any]:
     """
     An option decorator for setting a target's active flag.
     """
@@ -98,7 +98,7 @@ def active_flag_option(
     )
 
 
-application_metadata_option: Callable[..., None] = click.option(
+application_metadata_option: Callable[..., Any] = click.option(
     "--application-metadata",
     type=str,
     required=False,