diff --git a/docs/contributing/INVOCATIONS.md b/docs/contributing/INVOCATIONS.md
index 5d9a3690ba..ce1ee9e808 100644
--- a/docs/contributing/INVOCATIONS.md
+++ b/docs/contributing/INVOCATIONS.md
@@ -174,7 +174,7 @@ class ResizeInvocation(BaseInvocation):
     width: int = InputField(default=512, ge=64, le=2048, description="Width of the new image")
     height: int = InputField(default=512, ge=64, le=2048, description="Height of the new image")
 
-    def invoke(self, context):
+    def invoke(self, context: InvocationContext):
         pass
 ```
 
@@ -203,7 +203,7 @@ class ResizeInvocation(BaseInvocation):
     width: int = InputField(default=512, ge=64, le=2048, description="Width of the new image")
     height: int = InputField(default=512, ge=64, le=2048, description="Height of the new image")
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         pass
 ```
 
@@ -229,7 +229,7 @@ class ResizeInvocation(BaseInvocation):
     width: int = InputField(default=512, ge=64, le=2048, description="Width of the new image")
     height: int = InputField(default=512, ge=64, le=2048, description="Height of the new image")
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         # Load the input image as a PIL image
         image = context.images.get_pil(self.image.image_name)
 
diff --git a/invokeai/app/invocations/collections.py b/invokeai/app/invocations/collections.py
index f5709b4ba3..e02291980f 100644
--- a/invokeai/app/invocations/collections.py
+++ b/invokeai/app/invocations/collections.py
@@ -5,6 +5,7 @@ import numpy as np
 from pydantic import ValidationInfo, field_validator
 
 from invokeai.app.invocations.primitives import IntegerCollectionOutput
+from invokeai.app.services.shared.invocation_context import InvocationContext
 from invokeai.app.util.misc import SEED_MAX
 
 from .baseinvocation import BaseInvocation, invocation
@@ -27,7 +28,7 @@ class RangeInvocation(BaseInvocation):
             raise ValueError("stop must be greater than start")
         return v
 
-    def invoke(self, context) -> IntegerCollectionOutput:
+    def invoke(self, context: InvocationContext) -> IntegerCollectionOutput:
         return IntegerCollectionOutput(collection=list(range(self.start, self.stop, self.step)))
 
 
@@ -45,7 +46,7 @@ class RangeOfSizeInvocation(BaseInvocation):
     size: int = InputField(default=1, gt=0, description="The number of values")
     step: int = InputField(default=1, description="The step of the range")
 
-    def invoke(self, context) -> IntegerCollectionOutput:
+    def invoke(self, context: InvocationContext) -> IntegerCollectionOutput:
         return IntegerCollectionOutput(
             collection=list(range(self.start, self.start + (self.step * self.size), self.step))
         )
@@ -72,6 +73,6 @@ class RandomRangeInvocation(BaseInvocation):
         description="The seed for the RNG (omit for random)",
     )
 
-    def invoke(self, context) -> IntegerCollectionOutput:
+    def invoke(self, context: InvocationContext) -> IntegerCollectionOutput:
         rng = np.random.default_rng(self.seed)
         return IntegerCollectionOutput(collection=list(rng.integers(low=self.low, high=self.high, size=self.size)))
diff --git a/invokeai/app/invocations/compel.py b/invokeai/app/invocations/compel.py
index 94caf4128d..978c6dcb17 100644
--- a/invokeai/app/invocations/compel.py
+++ b/invokeai/app/invocations/compel.py
@@ -1,4 +1,4 @@
-from typing import TYPE_CHECKING, List, Optional, Union
+from typing import List, Optional, Union
 
 import torch
 from compel import Compel, ReturnedEmbeddingsType
@@ -12,6 +12,7 @@ from invokeai.app.invocations.fields import (
     UIComponent,
 )
 from invokeai.app.invocations.primitives import ConditioningOutput
+from invokeai.app.services.shared.invocation_context import InvocationContext
 from invokeai.backend.stable_diffusion.diffusion.conditioning_data import (
     BasicConditioningInfo,
     ConditioningFieldData,
@@ -31,10 +32,7 @@ from .baseinvocation import (
 )
 from .model import ClipField
 
-if TYPE_CHECKING:
-    from invokeai.app.services.shared.invocation_context import InvocationContext
-
-    # unconditioned: Optional[torch.Tensor]
+# unconditioned: Optional[torch.Tensor]
 
 
 # class ConditioningAlgo(str, Enum):
@@ -65,7 +63,7 @@ class CompelInvocation(BaseInvocation):
     )
 
     @torch.no_grad()
-    def invoke(self, context) -> ConditioningOutput:
+    def invoke(self, context: InvocationContext) -> ConditioningOutput:
         tokenizer_info = context.models.load(**self.clip.tokenizer.model_dump())
         text_encoder_info = context.models.load(**self.clip.text_encoder.model_dump())
 
@@ -148,7 +146,7 @@ class CompelInvocation(BaseInvocation):
 class SDXLPromptInvocationBase:
     def run_clip_compel(
         self,
-        context: "InvocationContext",
+        context: InvocationContext,
         clip_field: ClipField,
         prompt: str,
         get_pooled: bool,
@@ -288,7 +286,7 @@ class SDXLCompelPromptInvocation(BaseInvocation, SDXLPromptInvocationBase):
     clip2: ClipField = InputField(description=FieldDescriptions.clip, input=Input.Connection, title="CLIP 2")
 
     @torch.no_grad()
-    def invoke(self, context) -> ConditioningOutput:
+    def invoke(self, context: InvocationContext) -> ConditioningOutput:
         c1, c1_pooled, ec1 = self.run_clip_compel(
             context, self.clip, self.prompt, False, "lora_te1_", zero_on_empty=True
         )
@@ -373,7 +371,7 @@ class SDXLRefinerCompelPromptInvocation(BaseInvocation, SDXLPromptInvocationBase
     clip2: ClipField = InputField(description=FieldDescriptions.clip, input=Input.Connection)
 
     @torch.no_grad()
-    def invoke(self, context) -> ConditioningOutput:
+    def invoke(self, context: InvocationContext) -> ConditioningOutput:
         # TODO: if there will appear lora for refiner - write proper prefix
         c2, c2_pooled, ec2 = self.run_clip_compel(context, self.clip2, self.style, True, "<NONE>", zero_on_empty=False)
 
@@ -418,7 +416,7 @@ class ClipSkipInvocation(BaseInvocation):
     clip: ClipField = InputField(description=FieldDescriptions.clip, input=Input.Connection, title="CLIP")
     skipped_layers: int = InputField(default=0, description=FieldDescriptions.skipped_layers)
 
-    def invoke(self, context) -> ClipSkipInvocationOutput:
+    def invoke(self, context: InvocationContext) -> ClipSkipInvocationOutput:
         self.clip.skipped_layers += self.skipped_layers
         return ClipSkipInvocationOutput(
             clip=self.clip,
diff --git a/invokeai/app/invocations/controlnet_image_processors.py b/invokeai/app/invocations/controlnet_image_processors.py
index e993ceffde..f8bdf14117 100644
--- a/invokeai/app/invocations/controlnet_image_processors.py
+++ b/invokeai/app/invocations/controlnet_image_processors.py
@@ -28,6 +28,7 @@ from pydantic import BaseModel, ConfigDict, Field, field_validator, model_valida
 from invokeai.app.invocations.fields import FieldDescriptions, ImageField, Input, InputField, OutputField, WithMetadata
 from invokeai.app.invocations.primitives import ImageOutput
 from invokeai.app.invocations.util import validate_begin_end_step, validate_weights
+from invokeai.app.services.shared.invocation_context import InvocationContext
 from invokeai.backend.image_util.depth_anything import DepthAnythingDetector
 from invokeai.backend.image_util.dw_openpose import DWOpenposeDetector
 from invokeai.backend.model_management.models.base import BaseModelType
@@ -119,7 +120,7 @@ class ControlNetInvocation(BaseInvocation):
         validate_begin_end_step(self.begin_step_percent, self.end_step_percent)
         return self
 
-    def invoke(self, context) -> ControlOutput:
+    def invoke(self, context: InvocationContext) -> ControlOutput:
         return ControlOutput(
             control=ControlField(
                 image=self.image,
@@ -143,7 +144,7 @@ class ImageProcessorInvocation(BaseInvocation, WithMetadata):
         # superclass just passes through image without processing
         return image
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         raw_image = context.images.get_pil(self.image.image_name)
         # image type should be PIL.PngImagePlugin.PngImageFile ?
         processed_image = self.run_processor(raw_image)
diff --git a/invokeai/app/invocations/cv.py b/invokeai/app/invocations/cv.py
index 375b18f9c5..1ebabf5e06 100644
--- a/invokeai/app/invocations/cv.py
+++ b/invokeai/app/invocations/cv.py
@@ -7,6 +7,7 @@ from PIL import Image, ImageOps
 
 from invokeai.app.invocations.fields import ImageField
 from invokeai.app.invocations.primitives import ImageOutput
+from invokeai.app.services.shared.invocation_context import InvocationContext
 
 from .baseinvocation import BaseInvocation, invocation
 from .fields import InputField, WithMetadata
@@ -19,7 +20,7 @@ class CvInpaintInvocation(BaseInvocation, WithMetadata):
     image: ImageField = InputField(description="The image to inpaint")
     mask: ImageField = InputField(description="The mask to use when inpainting")
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         image = context.images.get_pil(self.image.image_name)
         mask = context.images.get_pil(self.mask.image_name)
 
diff --git a/invokeai/app/invocations/facetools.py b/invokeai/app/invocations/facetools.py
index dad6308981..a1702d6517 100644
--- a/invokeai/app/invocations/facetools.py
+++ b/invokeai/app/invocations/facetools.py
@@ -1,7 +1,7 @@
 import math
 import re
 from pathlib import Path
-from typing import TYPE_CHECKING, Optional, TypedDict
+from typing import Optional, TypedDict
 
 import cv2
 import numpy as np
@@ -19,9 +19,7 @@ from invokeai.app.invocations.baseinvocation import (
 from invokeai.app.invocations.fields import ImageField, InputField, OutputField, WithMetadata
 from invokeai.app.invocations.primitives import ImageOutput
 from invokeai.app.services.image_records.image_records_common import ImageCategory
-
-if TYPE_CHECKING:
-    from invokeai.app.services.shared.invocation_context import InvocationContext
+from invokeai.app.services.shared.invocation_context import InvocationContext
 
 
 @invocation_output("face_mask_output")
@@ -176,7 +174,7 @@ def prepare_faces_list(
 
 
 def generate_face_box_mask(
-    context: "InvocationContext",
+    context: InvocationContext,
     minimum_confidence: float,
     x_offset: float,
     y_offset: float,
@@ -275,7 +273,7 @@ def generate_face_box_mask(
 
 
 def extract_face(
-    context: "InvocationContext",
+    context: InvocationContext,
     image: ImageType,
     face: FaceResultData,
     padding: int,
@@ -356,7 +354,7 @@ def extract_face(
 
 
 def get_faces_list(
-    context: "InvocationContext",
+    context: InvocationContext,
     image: ImageType,
     should_chunk: bool,
     minimum_confidence: float,
@@ -458,7 +456,7 @@ class FaceOffInvocation(BaseInvocation, WithMetadata):
         description="Whether to bypass full image face detection and default to image chunking. Chunking will occur if no faces are found in the full image.",
     )
 
-    def faceoff(self, context: "InvocationContext", image: ImageType) -> Optional[ExtractFaceData]:
+    def faceoff(self, context: InvocationContext, image: ImageType) -> Optional[ExtractFaceData]:
         all_faces = get_faces_list(
             context=context,
             image=image,
@@ -485,7 +483,7 @@ class FaceOffInvocation(BaseInvocation, WithMetadata):
 
         return face_data
 
-    def invoke(self, context) -> FaceOffOutput:
+    def invoke(self, context: InvocationContext) -> FaceOffOutput:
         image = context.images.get_pil(self.image.image_name)
         result = self.faceoff(context=context, image=image)
 
@@ -543,7 +541,7 @@ class FaceMaskInvocation(BaseInvocation, WithMetadata):
             raise ValueError('Face IDs must be a comma-separated list of integers (e.g. "1,2,3")')
         return v
 
-    def facemask(self, context: "InvocationContext", image: ImageType) -> FaceMaskResult:
+    def facemask(self, context: InvocationContext, image: ImageType) -> FaceMaskResult:
         all_faces = get_faces_list(
             context=context,
             image=image,
@@ -600,7 +598,7 @@ class FaceMaskInvocation(BaseInvocation, WithMetadata):
             mask=mask_pil,
         )
 
-    def invoke(self, context) -> FaceMaskOutput:
+    def invoke(self, context: InvocationContext) -> FaceMaskOutput:
         image = context.images.get_pil(self.image.image_name)
         result = self.facemask(context=context, image=image)
 
@@ -633,7 +631,7 @@ class FaceIdentifierInvocation(BaseInvocation, WithMetadata):
         description="Whether to bypass full image face detection and default to image chunking. Chunking will occur if no faces are found in the full image.",
     )
 
-    def faceidentifier(self, context: "InvocationContext", image: ImageType) -> ImageType:
+    def faceidentifier(self, context: InvocationContext, image: ImageType) -> ImageType:
         image = image.copy()
 
         all_faces = get_faces_list(
@@ -674,7 +672,7 @@ class FaceIdentifierInvocation(BaseInvocation, WithMetadata):
 
         return image
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         image = context.images.get_pil(self.image.image_name)
         result_image = self.faceidentifier(context=context, image=image)
 
diff --git a/invokeai/app/invocations/image.py b/invokeai/app/invocations/image.py
index 3b8b0b4b80..7b74e4d96d 100644
--- a/invokeai/app/invocations/image.py
+++ b/invokeai/app/invocations/image.py
@@ -18,6 +18,7 @@ from invokeai.app.invocations.fields import (
 )
 from invokeai.app.invocations.primitives import ImageOutput
 from invokeai.app.services.image_records.image_records_common import ImageCategory
+from invokeai.app.services.shared.invocation_context import InvocationContext
 from invokeai.backend.image_util.invisible_watermark import InvisibleWatermark
 from invokeai.backend.image_util.safety_checker import SafetyChecker
 
@@ -34,7 +35,7 @@ class ShowImageInvocation(BaseInvocation):
 
     image: ImageField = InputField(description="The image to show")
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         image = context.images.get_pil(self.image.image_name)
         image.show()
 
@@ -62,7 +63,7 @@ class BlankImageInvocation(BaseInvocation, WithMetadata):
     mode: Literal["RGB", "RGBA"] = InputField(default="RGB", description="The mode of the image")
     color: ColorField = InputField(default=ColorField(r=0, g=0, b=0, a=255), description="The color of the image")
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         image = Image.new(mode=self.mode, size=(self.width, self.height), color=self.color.tuple())
 
         image_dto = context.images.save(image=image)
@@ -86,7 +87,7 @@ class ImageCropInvocation(BaseInvocation, WithMetadata):
     width: int = InputField(default=512, gt=0, description="The width of the crop rectangle")
     height: int = InputField(default=512, gt=0, description="The height of the crop rectangle")
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         image = context.images.get_pil(self.image.image_name)
 
         image_crop = Image.new(mode="RGBA", size=(self.width, self.height), color=(0, 0, 0, 0))
@@ -125,7 +126,7 @@ class CenterPadCropInvocation(BaseInvocation):
         description="Number of pixels to pad/crop from the bottom (negative values crop inwards, positive values pad outwards)",
     )
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         image = context.images.get_pil(self.image.image_name)
 
         # Calculate and create new image dimensions
@@ -161,7 +162,7 @@ class ImagePasteInvocation(BaseInvocation, WithMetadata):
     y: int = InputField(default=0, description="The top y coordinate at which to paste the image")
     crop: bool = InputField(default=False, description="Crop to base image dimensions")
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         base_image = context.images.get_pil(self.base_image.image_name)
         image = context.images.get_pil(self.image.image_name)
         mask = None
@@ -201,7 +202,7 @@ class MaskFromAlphaInvocation(BaseInvocation, WithMetadata):
     image: ImageField = InputField(description="The image to create the mask from")
     invert: bool = InputField(default=False, description="Whether or not to invert the mask")
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         image = context.images.get_pil(self.image.image_name)
 
         image_mask = image.split()[-1]
@@ -226,7 +227,7 @@ class ImageMultiplyInvocation(BaseInvocation, WithMetadata):
     image1: ImageField = InputField(description="The first image to multiply")
     image2: ImageField = InputField(description="The second image to multiply")
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         image1 = context.images.get_pil(self.image1.image_name)
         image2 = context.images.get_pil(self.image2.image_name)
 
@@ -253,7 +254,7 @@ class ImageChannelInvocation(BaseInvocation, WithMetadata):
     image: ImageField = InputField(description="The image to get the channel from")
     channel: IMAGE_CHANNELS = InputField(default="A", description="The channel to get")
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         image = context.images.get_pil(self.image.image_name)
 
         channel_image = image.getchannel(self.channel)
@@ -279,7 +280,7 @@ class ImageConvertInvocation(BaseInvocation, WithMetadata):
     image: ImageField = InputField(description="The image to convert")
     mode: IMAGE_MODES = InputField(default="L", description="The mode to convert to")
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         image = context.images.get_pil(self.image.image_name)
 
         converted_image = image.convert(self.mode)
@@ -304,7 +305,7 @@ class ImageBlurInvocation(BaseInvocation, WithMetadata):
     # Metadata
     blur_type: Literal["gaussian", "box"] = InputField(default="gaussian", description="The type of blur")
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         image = context.images.get_pil(self.image.image_name)
 
         blur = (
@@ -338,7 +339,7 @@ class UnsharpMaskInvocation(BaseInvocation, WithMetadata):
     def array_from_pil(self, img):
         return numpy.array(img) / 255
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         image = context.images.get_pil(self.image.image_name)
         mode = image.mode
 
@@ -401,7 +402,7 @@ class ImageResizeInvocation(BaseInvocation, WithMetadata):
     height: int = InputField(default=512, gt=0, description="The height to resize to (px)")
     resample_mode: PIL_RESAMPLING_MODES = InputField(default="bicubic", description="The resampling mode")
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         image = context.images.get_pil(self.image.image_name)
 
         resample_mode = PIL_RESAMPLING_MAP[self.resample_mode]
@@ -434,7 +435,7 @@ class ImageScaleInvocation(BaseInvocation, WithMetadata):
     )
     resample_mode: PIL_RESAMPLING_MODES = InputField(default="bicubic", description="The resampling mode")
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         image = context.images.get_pil(self.image.image_name)
 
         resample_mode = PIL_RESAMPLING_MAP[self.resample_mode]
@@ -465,7 +466,7 @@ class ImageLerpInvocation(BaseInvocation, WithMetadata):
     min: int = InputField(default=0, ge=0, le=255, description="The minimum output value")
     max: int = InputField(default=255, ge=0, le=255, description="The maximum output value")
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         image = context.images.get_pil(self.image.image_name)
 
         image_arr = numpy.asarray(image, dtype=numpy.float32) / 255
@@ -492,7 +493,7 @@ class ImageInverseLerpInvocation(BaseInvocation, WithMetadata):
     min: int = InputField(default=0, ge=0, le=255, description="The minimum input value")
     max: int = InputField(default=255, ge=0, le=255, description="The maximum input value")
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         image = context.images.get_pil(self.image.image_name)
 
         image_arr = numpy.asarray(image, dtype=numpy.float32)
@@ -517,7 +518,7 @@ class ImageNSFWBlurInvocation(BaseInvocation, WithMetadata):
 
     image: ImageField = InputField(description="The image to check")
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         image = context.images.get_pil(self.image.image_name)
 
         logger = context.logger
@@ -553,7 +554,7 @@ class ImageWatermarkInvocation(BaseInvocation, WithMetadata):
     image: ImageField = InputField(description="The image to check")
     text: str = InputField(default="InvokeAI", description="Watermark text")
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         image = context.images.get_pil(self.image.image_name)
         new_image = InvisibleWatermark.add_watermark(image, self.text)
         image_dto = context.images.save(image=new_image)
@@ -579,7 +580,7 @@ class MaskEdgeInvocation(BaseInvocation, WithMetadata):
         description="Second threshold for the hysteresis procedure in Canny edge detection"
     )
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         mask = context.images.get_pil(self.image.image_name).convert("L")
 
         npimg = numpy.asarray(mask, dtype=numpy.uint8)
@@ -613,7 +614,7 @@ class MaskCombineInvocation(BaseInvocation, WithMetadata):
     mask1: ImageField = InputField(description="The first mask to combine")
     mask2: ImageField = InputField(description="The second image to combine")
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         mask1 = context.images.get_pil(self.mask1.image_name).convert("L")
         mask2 = context.images.get_pil(self.mask2.image_name).convert("L")
 
@@ -642,7 +643,7 @@ class ColorCorrectInvocation(BaseInvocation, WithMetadata):
     mask: Optional[ImageField] = InputField(default=None, description="Mask to use when applying color-correction")
     mask_blur_radius: float = InputField(default=8, description="Mask blur radius")
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         pil_init_mask = None
         if self.mask is not None:
             pil_init_mask = context.images.get_pil(self.mask.image_name).convert("L")
@@ -741,7 +742,7 @@ class ImageHueAdjustmentInvocation(BaseInvocation, WithMetadata):
     image: ImageField = InputField(description="The image to adjust")
     hue: int = InputField(default=0, description="The degrees by which to rotate the hue, 0-360")
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         pil_image = context.images.get_pil(self.image.image_name)
 
         # Convert image to HSV color space
@@ -831,7 +832,7 @@ class ImageChannelOffsetInvocation(BaseInvocation, WithMetadata):
     channel: COLOR_CHANNELS = InputField(description="Which channel to adjust")
     offset: int = InputField(default=0, ge=-255, le=255, description="The amount to adjust the channel by")
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         pil_image = context.images.get_pil(self.image.image_name)
 
         # extract the channel and mode from the input and reference tuple
@@ -888,7 +889,7 @@ class ImageChannelMultiplyInvocation(BaseInvocation, WithMetadata):
     scale: float = InputField(default=1.0, ge=0.0, description="The amount to scale the channel by.")
     invert_channel: bool = InputField(default=False, description="Invert the channel after scaling")
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         pil_image = context.images.get_pil(self.image.image_name)
 
         # extract the channel and mode from the input and reference tuple
@@ -931,7 +932,7 @@ class SaveImageInvocation(BaseInvocation, WithMetadata):
     image: ImageField = InputField(description=FieldDescriptions.image)
     board: BoardField = InputField(default=None, description=FieldDescriptions.board, input=Input.Direct)
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         image = context.images.get_pil(self.image.image_name)
 
         image_dto = context.images.save(image=image, board_id=self.board.board_id if self.board else None)
@@ -953,7 +954,7 @@ class LinearUIOutputInvocation(BaseInvocation, WithMetadata):
     image: ImageField = InputField(description=FieldDescriptions.image)
     board: Optional[BoardField] = InputField(default=None, description=FieldDescriptions.board, input=Input.Direct)
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         image_dto = context.images.get_dto(self.image.image_name)
 
         image_dto = context.images.update(
diff --git a/invokeai/app/invocations/infill.py b/invokeai/app/invocations/infill.py
index 159bdb5f7a..b007edd9e4 100644
--- a/invokeai/app/invocations/infill.py
+++ b/invokeai/app/invocations/infill.py
@@ -8,6 +8,7 @@ from PIL import Image, ImageOps
 
 from invokeai.app.invocations.fields import ColorField, ImageField
 from invokeai.app.invocations.primitives import ImageOutput
+from invokeai.app.services.shared.invocation_context import InvocationContext
 from invokeai.app.util.misc import SEED_MAX
 from invokeai.backend.image_util.cv2_inpaint import cv2_inpaint
 from invokeai.backend.image_util.lama import LaMA
@@ -129,7 +130,7 @@ class InfillColorInvocation(BaseInvocation, WithMetadata):
         description="The color to use to infill",
     )
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         image = context.images.get_pil(self.image.image_name)
 
         solid_bg = Image.new("RGBA", image.size, self.color.tuple())
@@ -155,7 +156,7 @@ class InfillTileInvocation(BaseInvocation, WithMetadata):
         description="The seed to use for tile generation (omit for random)",
     )
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         image = context.images.get_pil(self.image.image_name)
 
         infilled = tile_fill_missing(image.copy(), seed=self.seed, tile_size=self.tile_size)
@@ -176,7 +177,7 @@ class InfillPatchMatchInvocation(BaseInvocation, WithMetadata):
     downscale: float = InputField(default=2.0, gt=0, description="Run patchmatch on downscaled image to speedup infill")
     resample_mode: PIL_RESAMPLING_MODES = InputField(default="bicubic", description="The resampling mode")
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         image = context.images.get_pil(self.image.image_name).convert("RGBA")
 
         resample_mode = PIL_RESAMPLING_MAP[self.resample_mode]
@@ -213,7 +214,7 @@ class LaMaInfillInvocation(BaseInvocation, WithMetadata):
 
     image: ImageField = InputField(description="The image to infill")
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         image = context.images.get_pil(self.image.image_name)
 
         infilled = infill_lama(image.copy())
@@ -229,7 +230,7 @@ class CV2InfillInvocation(BaseInvocation, WithMetadata):
 
     image: ImageField = InputField(description="The image to infill")
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         image = context.images.get_pil(self.image.image_name)
 
         infilled = infill_cv2(image.copy())
diff --git a/invokeai/app/invocations/ip_adapter.py b/invokeai/app/invocations/ip_adapter.py
index b836be04b5..845fcfa284 100644
--- a/invokeai/app/invocations/ip_adapter.py
+++ b/invokeai/app/invocations/ip_adapter.py
@@ -13,6 +13,7 @@ from invokeai.app.invocations.baseinvocation import (
 from invokeai.app.invocations.fields import FieldDescriptions, Input, InputField, OutputField
 from invokeai.app.invocations.primitives import ImageField
 from invokeai.app.invocations.util import validate_begin_end_step, validate_weights
+from invokeai.app.services.shared.invocation_context import InvocationContext
 from invokeai.backend.model_management.models.base import BaseModelType, ModelType
 from invokeai.backend.model_management.models.ip_adapter import get_ip_adapter_image_encoder_model_id
 
@@ -92,7 +93,7 @@ class IPAdapterInvocation(BaseInvocation):
         validate_begin_end_step(self.begin_step_percent, self.end_step_percent)
         return self
 
-    def invoke(self, context) -> IPAdapterOutput:
+    def invoke(self, context: InvocationContext) -> IPAdapterOutput:
         # Lookup the CLIP Vision encoder that is intended to be used with the IP-Adapter model.
         ip_adapter_info = context.models.get_info(
             self.ip_adapter_model.model_name, self.ip_adapter_model.base_model, ModelType.IPAdapter
diff --git a/invokeai/app/invocations/latent.py b/invokeai/app/invocations/latent.py
index 0127a6521e..2cc84f80a7 100644
--- a/invokeai/app/invocations/latent.py
+++ b/invokeai/app/invocations/latent.py
@@ -3,7 +3,7 @@
 import math
 from contextlib import ExitStack
 from functools import singledispatchmethod
-from typing import TYPE_CHECKING, List, Literal, Optional, Union
+from typing import List, Literal, Optional, Union
 
 import einops
 import numpy as np
@@ -42,6 +42,7 @@ from invokeai.app.invocations.primitives import (
     LatentsOutput,
 )
 from invokeai.app.invocations.t2i_adapter import T2IAdapterField
+from invokeai.app.services.shared.invocation_context import InvocationContext
 from invokeai.app.util.controlnet_utils import prepare_control_image
 from invokeai.backend.ip_adapter.ip_adapter import IPAdapter, IPAdapterPlus
 from invokeai.backend.model_management.models import ModelType, SilenceWarnings
@@ -70,9 +71,6 @@ from .baseinvocation import (
 from .controlnet_image_processors import ControlField
 from .model import ModelInfo, UNetField, VaeField
 
-if TYPE_CHECKING:
-    from invokeai.app.services.shared.invocation_context import InvocationContext
-
 if choose_torch_device() == torch.device("mps"):
     from torch import mps
 
@@ -177,7 +175,7 @@ class CreateDenoiseMaskInvocation(BaseInvocation):
 
 
 def get_scheduler(
-    context: "InvocationContext",
+    context: InvocationContext,
     scheduler_info: ModelInfo,
     scheduler_name: str,
     seed: int,
@@ -300,7 +298,7 @@ class DenoiseLatentsInvocation(BaseInvocation):
 
     def get_conditioning_data(
         self,
-        context: "InvocationContext",
+        context: InvocationContext,
         scheduler,
         unet,
         seed,
@@ -369,7 +367,7 @@ class DenoiseLatentsInvocation(BaseInvocation):
 
     def prep_control_data(
         self,
-        context: "InvocationContext",
+        context: InvocationContext,
         control_input: Union[ControlField, List[ControlField]],
         latents_shape: List[int],
         exit_stack: ExitStack,
@@ -442,7 +440,7 @@ class DenoiseLatentsInvocation(BaseInvocation):
 
     def prep_ip_adapter_data(
         self,
-        context: "InvocationContext",
+        context: InvocationContext,
         ip_adapter: Optional[Union[IPAdapterField, list[IPAdapterField]]],
         conditioning_data: ConditioningData,
         exit_stack: ExitStack,
@@ -509,7 +507,7 @@ class DenoiseLatentsInvocation(BaseInvocation):
 
     def run_t2i_adapters(
         self,
-        context: "InvocationContext",
+        context: InvocationContext,
         t2i_adapter: Optional[Union[T2IAdapterField, list[T2IAdapterField]]],
         latents_shape: list[int],
         do_classifier_free_guidance: bool,
@@ -618,7 +616,7 @@ class DenoiseLatentsInvocation(BaseInvocation):
 
         return num_inference_steps, timesteps, init_timestep
 
-    def prep_inpaint_mask(self, context: "InvocationContext", latents):
+    def prep_inpaint_mask(self, context: InvocationContext, latents):
         if self.denoise_mask is None:
             return None, None
 
diff --git a/invokeai/app/invocations/math.py b/invokeai/app/invocations/math.py
index d2dbf04981..83a092be69 100644
--- a/invokeai/app/invocations/math.py
+++ b/invokeai/app/invocations/math.py
@@ -7,6 +7,7 @@ from pydantic import ValidationInfo, field_validator
 
 from invokeai.app.invocations.fields import FieldDescriptions, InputField
 from invokeai.app.invocations.primitives import FloatOutput, IntegerOutput
+from invokeai.app.services.shared.invocation_context import InvocationContext
 
 from .baseinvocation import BaseInvocation, invocation
 
@@ -18,7 +19,7 @@ class AddInvocation(BaseInvocation):
     a: int = InputField(default=0, description=FieldDescriptions.num_1)
     b: int = InputField(default=0, description=FieldDescriptions.num_2)
 
-    def invoke(self, context) -> IntegerOutput:
+    def invoke(self, context: InvocationContext) -> IntegerOutput:
         return IntegerOutput(value=self.a + self.b)
 
 
@@ -29,7 +30,7 @@ class SubtractInvocation(BaseInvocation):
     a: int = InputField(default=0, description=FieldDescriptions.num_1)
     b: int = InputField(default=0, description=FieldDescriptions.num_2)
 
-    def invoke(self, context) -> IntegerOutput:
+    def invoke(self, context: InvocationContext) -> IntegerOutput:
         return IntegerOutput(value=self.a - self.b)
 
 
@@ -40,7 +41,7 @@ class MultiplyInvocation(BaseInvocation):
     a: int = InputField(default=0, description=FieldDescriptions.num_1)
     b: int = InputField(default=0, description=FieldDescriptions.num_2)
 
-    def invoke(self, context) -> IntegerOutput:
+    def invoke(self, context: InvocationContext) -> IntegerOutput:
         return IntegerOutput(value=self.a * self.b)
 
 
@@ -51,7 +52,7 @@ class DivideInvocation(BaseInvocation):
     a: int = InputField(default=0, description=FieldDescriptions.num_1)
     b: int = InputField(default=0, description=FieldDescriptions.num_2)
 
-    def invoke(self, context) -> IntegerOutput:
+    def invoke(self, context: InvocationContext) -> IntegerOutput:
         return IntegerOutput(value=int(self.a / self.b))
 
 
@@ -69,7 +70,7 @@ class RandomIntInvocation(BaseInvocation):
     low: int = InputField(default=0, description=FieldDescriptions.inclusive_low)
     high: int = InputField(default=np.iinfo(np.int32).max, description=FieldDescriptions.exclusive_high)
 
-    def invoke(self, context) -> IntegerOutput:
+    def invoke(self, context: InvocationContext) -> IntegerOutput:
         return IntegerOutput(value=np.random.randint(self.low, self.high))
 
 
@@ -88,7 +89,7 @@ class RandomFloatInvocation(BaseInvocation):
     high: float = InputField(default=1.0, description=FieldDescriptions.exclusive_high)
     decimals: int = InputField(default=2, description=FieldDescriptions.decimal_places)
 
-    def invoke(self, context) -> FloatOutput:
+    def invoke(self, context: InvocationContext) -> FloatOutput:
         random_float = np.random.uniform(self.low, self.high)
         rounded_float = round(random_float, self.decimals)
         return FloatOutput(value=rounded_float)
@@ -110,7 +111,7 @@ class FloatToIntegerInvocation(BaseInvocation):
         default="Nearest", description="The method to use for rounding"
     )
 
-    def invoke(self, context) -> IntegerOutput:
+    def invoke(self, context: InvocationContext) -> IntegerOutput:
         if self.method == "Nearest":
             return IntegerOutput(value=round(self.value / self.multiple) * self.multiple)
         elif self.method == "Floor":
@@ -128,7 +129,7 @@ class RoundInvocation(BaseInvocation):
     value: float = InputField(default=0, description="The float value")
     decimals: int = InputField(default=0, description="The number of decimal places")
 
-    def invoke(self, context) -> FloatOutput:
+    def invoke(self, context: InvocationContext) -> FloatOutput:
         return FloatOutput(value=round(self.value, self.decimals))
 
 
@@ -196,7 +197,7 @@ class IntegerMathInvocation(BaseInvocation):
             raise ValueError("Result of exponentiation is not an integer")
         return v
 
-    def invoke(self, context) -> IntegerOutput:
+    def invoke(self, context: InvocationContext) -> IntegerOutput:
         # Python doesn't support switch statements until 3.10, but InvokeAI supports back to 3.9
         if self.operation == "ADD":
             return IntegerOutput(value=self.a + self.b)
@@ -270,7 +271,7 @@ class FloatMathInvocation(BaseInvocation):
             raise ValueError("Root operation resulted in a complex number")
         return v
 
-    def invoke(self, context) -> FloatOutput:
+    def invoke(self, context: InvocationContext) -> FloatOutput:
         # Python doesn't support switch statements until 3.10, but InvokeAI supports back to 3.9
         if self.operation == "ADD":
             return FloatOutput(value=self.a + self.b)
diff --git a/invokeai/app/invocations/metadata.py b/invokeai/app/invocations/metadata.py
index 9d74abd8c1..58edfab711 100644
--- a/invokeai/app/invocations/metadata.py
+++ b/invokeai/app/invocations/metadata.py
@@ -20,6 +20,7 @@ from invokeai.app.invocations.fields import (
 from invokeai.app.invocations.ip_adapter import IPAdapterModelField
 from invokeai.app.invocations.model import LoRAModelField, MainModelField, VAEModelField
 from invokeai.app.invocations.t2i_adapter import T2IAdapterField
+from invokeai.app.services.shared.invocation_context import InvocationContext
 
 from ...version import __version__
 
@@ -64,7 +65,7 @@ class MetadataItemInvocation(BaseInvocation):
     label: str = InputField(description=FieldDescriptions.metadata_item_label)
     value: Any = InputField(description=FieldDescriptions.metadata_item_value, ui_type=UIType.Any)
 
-    def invoke(self, context) -> MetadataItemOutput:
+    def invoke(self, context: InvocationContext) -> MetadataItemOutput:
         return MetadataItemOutput(item=MetadataItemField(label=self.label, value=self.value))
 
 
@@ -81,7 +82,7 @@ class MetadataInvocation(BaseInvocation):
         description=FieldDescriptions.metadata_item_polymorphic
     )
 
-    def invoke(self, context) -> MetadataOutput:
+    def invoke(self, context: InvocationContext) -> MetadataOutput:
         if isinstance(self.items, MetadataItemField):
             # single metadata item
             data = {self.items.label: self.items.value}
@@ -100,7 +101,7 @@ class MergeMetadataInvocation(BaseInvocation):
 
     collection: list[MetadataField] = InputField(description=FieldDescriptions.metadata_collection)
 
-    def invoke(self, context) -> MetadataOutput:
+    def invoke(self, context: InvocationContext) -> MetadataOutput:
         data = {}
         for item in self.collection:
             data.update(item.model_dump())
@@ -218,7 +219,7 @@ class CoreMetadataInvocation(BaseInvocation):
         description="The start value used for refiner denoising",
     )
 
-    def invoke(self, context) -> MetadataOutput:
+    def invoke(self, context: InvocationContext) -> MetadataOutput:
         """Collects and outputs a CoreMetadata object"""
 
         return MetadataOutput(
diff --git a/invokeai/app/invocations/model.py b/invokeai/app/invocations/model.py
index f81e559e44..6a1fd6d36b 100644
--- a/invokeai/app/invocations/model.py
+++ b/invokeai/app/invocations/model.py
@@ -4,6 +4,7 @@ from typing import List, Optional
 from pydantic import BaseModel, ConfigDict, Field
 
 from invokeai.app.invocations.fields import FieldDescriptions, Input, InputField, OutputField
+from invokeai.app.services.shared.invocation_context import InvocationContext
 from invokeai.app.shared.models import FreeUConfig
 
 from ...backend.model_management import BaseModelType, ModelType, SubModelType
@@ -109,7 +110,7 @@ class MainModelLoaderInvocation(BaseInvocation):
     model: MainModelField = InputField(description=FieldDescriptions.main_model, input=Input.Direct)
     # TODO: precision?
 
-    def invoke(self, context) -> ModelLoaderOutput:
+    def invoke(self, context: InvocationContext) -> ModelLoaderOutput:
         base_model = self.model.base_model
         model_name = self.model.model_name
         model_type = ModelType.Main
@@ -221,7 +222,7 @@ class LoraLoaderInvocation(BaseInvocation):
         title="CLIP",
     )
 
-    def invoke(self, context) -> LoraLoaderOutput:
+    def invoke(self, context: InvocationContext) -> LoraLoaderOutput:
         if self.lora is None:
             raise Exception("No LoRA provided")
 
@@ -310,7 +311,7 @@ class SDXLLoraLoaderInvocation(BaseInvocation):
         title="CLIP 2",
     )
 
-    def invoke(self, context) -> SDXLLoraLoaderOutput:
+    def invoke(self, context: InvocationContext) -> SDXLLoraLoaderOutput:
         if self.lora is None:
             raise Exception("No LoRA provided")
 
@@ -393,7 +394,7 @@ class VaeLoaderInvocation(BaseInvocation):
         title="VAE",
     )
 
-    def invoke(self, context) -> VAEOutput:
+    def invoke(self, context: InvocationContext) -> VAEOutput:
         base_model = self.vae_model.base_model
         model_name = self.vae_model.model_name
         model_type = ModelType.Vae
@@ -448,7 +449,7 @@ class SeamlessModeInvocation(BaseInvocation):
     seamless_y: bool = InputField(default=True, input=Input.Any, description="Specify whether Y axis is seamless")
     seamless_x: bool = InputField(default=True, input=Input.Any, description="Specify whether X axis is seamless")
 
-    def invoke(self, context) -> SeamlessModeOutput:
+    def invoke(self, context: InvocationContext) -> SeamlessModeOutput:
         # Conditionally append 'x' and 'y' based on seamless_x and seamless_y
         unet = copy.deepcopy(self.unet)
         vae = copy.deepcopy(self.vae)
@@ -484,6 +485,6 @@ class FreeUInvocation(BaseInvocation):
     s1: float = InputField(default=0.9, ge=-1, le=3, description=FieldDescriptions.freeu_s1)
     s2: float = InputField(default=0.2, ge=-1, le=3, description=FieldDescriptions.freeu_s2)
 
-    def invoke(self, context) -> UNetOutput:
+    def invoke(self, context: InvocationContext) -> UNetOutput:
         self.unet.freeu_config = FreeUConfig(s1=self.s1, s2=self.s2, b1=self.b1, b2=self.b2)
         return UNetOutput(unet=self.unet)
diff --git a/invokeai/app/invocations/noise.py b/invokeai/app/invocations/noise.py
index 41641152f0..78f13cc52d 100644
--- a/invokeai/app/invocations/noise.py
+++ b/invokeai/app/invocations/noise.py
@@ -5,6 +5,7 @@ import torch
 from pydantic import field_validator
 
 from invokeai.app.invocations.fields import FieldDescriptions, InputField, LatentsField, OutputField
+from invokeai.app.services.shared.invocation_context import InvocationContext
 from invokeai.app.util.misc import SEED_MAX
 
 from ...backend.util.devices import choose_torch_device, torch_dtype
@@ -112,7 +113,7 @@ class NoiseInvocation(BaseInvocation):
         """Returns the seed modulo (SEED_MAX + 1) to ensure it is within the valid range."""
         return v % (SEED_MAX + 1)
 
-    def invoke(self, context) -> NoiseOutput:
+    def invoke(self, context: InvocationContext) -> NoiseOutput:
         noise = get_noise(
             width=self.width,
             height=self.height,
diff --git a/invokeai/app/invocations/onnx.py b/invokeai/app/invocations/onnx.py
index a1e318a380..e7b4d3d9fc 100644
--- a/invokeai/app/invocations/onnx.py
+++ b/invokeai/app/invocations/onnx.py
@@ -63,7 +63,7 @@ class ONNXPromptInvocation(BaseInvocation):
     prompt: str = InputField(default="", description=FieldDescriptions.raw_prompt, ui_component=UIComponent.Textarea)
     clip: ClipField = InputField(description=FieldDescriptions.clip, input=Input.Connection)
 
-    def invoke(self, context) -> ConditioningOutput:
+    def invoke(self, context: InvocationContext) -> ConditioningOutput:
         tokenizer_info = context.services.model_manager.get_model(
             **self.clip.tokenizer.model_dump(),
         )
@@ -201,7 +201,7 @@ class ONNXTextToLatentsInvocation(BaseInvocation):
 
     # based on
     # https://github.com/huggingface/diffusers/blob/3ebbaf7c96801271f9e6c21400033b6aa5ffcf29/src/diffusers/pipelines/stable_diffusion/pipeline_onnx_stable_diffusion.py#L375
-    def invoke(self, context) -> LatentsOutput:
+    def invoke(self, context: InvocationContext) -> LatentsOutput:
         c, _ = context.services.latents.get(self.positive_conditioning.conditioning_name)
         uc, _ = context.services.latents.get(self.negative_conditioning.conditioning_name)
         graph_execution_state = context.services.graph_execution_manager.get(context.graph_execution_state_id)
@@ -342,7 +342,7 @@ class ONNXLatentsToImageInvocation(BaseInvocation, WithMetadata):
     )
     # tiled: bool = InputField(default=False, description="Decode latents by overlaping tiles(less memory consumption)")
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         latents = context.services.latents.get(self.latents.latents_name)
 
         if self.vae.vae.submodel != SubModelType.VaeDecoder:
@@ -417,7 +417,7 @@ class OnnxModelLoaderInvocation(BaseInvocation):
         description=FieldDescriptions.onnx_main_model, input=Input.Direct, ui_type=UIType.ONNXModel
     )
 
-    def invoke(self, context) -> ONNXModelLoaderOutput:
+    def invoke(self, context: InvocationContext) -> ONNXModelLoaderOutput:
         base_model = self.model.base_model
         model_name = self.model.model_name
         model_type = ModelType.ONNX
diff --git a/invokeai/app/invocations/param_easing.py b/invokeai/app/invocations/param_easing.py
index bf59e87d27..6845637de9 100644
--- a/invokeai/app/invocations/param_easing.py
+++ b/invokeai/app/invocations/param_easing.py
@@ -40,6 +40,7 @@ from easing_functions import (
 from matplotlib.ticker import MaxNLocator
 
 from invokeai.app.invocations.primitives import FloatCollectionOutput
+from invokeai.app.services.shared.invocation_context import InvocationContext
 
 from .baseinvocation import BaseInvocation, invocation
 from .fields import InputField
@@ -62,7 +63,7 @@ class FloatLinearRangeInvocation(BaseInvocation):
         description="number of values to interpolate over (including start and stop)",
     )
 
-    def invoke(self, context) -> FloatCollectionOutput:
+    def invoke(self, context: InvocationContext) -> FloatCollectionOutput:
         param_list = list(np.linspace(self.start, self.stop, self.steps))
         return FloatCollectionOutput(collection=param_list)
 
@@ -130,7 +131,7 @@ class StepParamEasingInvocation(BaseInvocation):
     # alt_mirror: bool = InputField(default=False, description="alternative mirroring by dual easing")
     show_easing_plot: bool = InputField(default=False, description="show easing plot")
 
-    def invoke(self, context) -> FloatCollectionOutput:
+    def invoke(self, context: InvocationContext) -> FloatCollectionOutput:
         log_diagnostics = False
         # convert from start_step_percent to nearest step <= (steps * start_step_percent)
         # start_step = int(np.floor(self.num_steps * self.start_step_percent))
diff --git a/invokeai/app/invocations/primitives.py b/invokeai/app/invocations/primitives.py
index ee04345eed..c90d3230b2 100644
--- a/invokeai/app/invocations/primitives.py
+++ b/invokeai/app/invocations/primitives.py
@@ -17,6 +17,7 @@ from invokeai.app.invocations.fields import (
     UIComponent,
 )
 from invokeai.app.services.images.images_common import ImageDTO
+from invokeai.app.services.shared.invocation_context import InvocationContext
 
 from .baseinvocation import (
     BaseInvocation,
@@ -59,7 +60,7 @@ class BooleanInvocation(BaseInvocation):
 
     value: bool = InputField(default=False, description="The boolean value")
 
-    def invoke(self, context) -> BooleanOutput:
+    def invoke(self, context: InvocationContext) -> BooleanOutput:
         return BooleanOutput(value=self.value)
 
 
@@ -75,7 +76,7 @@ class BooleanCollectionInvocation(BaseInvocation):
 
     collection: list[bool] = InputField(default=[], description="The collection of boolean values")
 
-    def invoke(self, context) -> BooleanCollectionOutput:
+    def invoke(self, context: InvocationContext) -> BooleanCollectionOutput:
         return BooleanCollectionOutput(collection=self.collection)
 
 
@@ -108,7 +109,7 @@ class IntegerInvocation(BaseInvocation):
 
     value: int = InputField(default=0, description="The integer value")
 
-    def invoke(self, context) -> IntegerOutput:
+    def invoke(self, context: InvocationContext) -> IntegerOutput:
         return IntegerOutput(value=self.value)
 
 
@@ -124,7 +125,7 @@ class IntegerCollectionInvocation(BaseInvocation):
 
     collection: list[int] = InputField(default=[], description="The collection of integer values")
 
-    def invoke(self, context) -> IntegerCollectionOutput:
+    def invoke(self, context: InvocationContext) -> IntegerCollectionOutput:
         return IntegerCollectionOutput(collection=self.collection)
 
 
@@ -155,7 +156,7 @@ class FloatInvocation(BaseInvocation):
 
     value: float = InputField(default=0.0, description="The float value")
 
-    def invoke(self, context) -> FloatOutput:
+    def invoke(self, context: InvocationContext) -> FloatOutput:
         return FloatOutput(value=self.value)
 
 
@@ -171,7 +172,7 @@ class FloatCollectionInvocation(BaseInvocation):
 
     collection: list[float] = InputField(default=[], description="The collection of float values")
 
-    def invoke(self, context) -> FloatCollectionOutput:
+    def invoke(self, context: InvocationContext) -> FloatCollectionOutput:
         return FloatCollectionOutput(collection=self.collection)
 
 
@@ -202,7 +203,7 @@ class StringInvocation(BaseInvocation):
 
     value: str = InputField(default="", description="The string value", ui_component=UIComponent.Textarea)
 
-    def invoke(self, context) -> StringOutput:
+    def invoke(self, context: InvocationContext) -> StringOutput:
         return StringOutput(value=self.value)
 
 
@@ -218,7 +219,7 @@ class StringCollectionInvocation(BaseInvocation):
 
     collection: list[str] = InputField(default=[], description="The collection of string values")
 
-    def invoke(self, context) -> StringCollectionOutput:
+    def invoke(self, context: InvocationContext) -> StringCollectionOutput:
         return StringCollectionOutput(collection=self.collection)
 
 
@@ -261,7 +262,7 @@ class ImageInvocation(
 
     image: ImageField = InputField(description="The image to load")
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         image = context.images.get_pil(self.image.image_name)
 
         return ImageOutput(
@@ -283,7 +284,7 @@ class ImageCollectionInvocation(BaseInvocation):
 
     collection: list[ImageField] = InputField(description="The collection of image values")
 
-    def invoke(self, context) -> ImageCollectionOutput:
+    def invoke(self, context: InvocationContext) -> ImageCollectionOutput:
         return ImageCollectionOutput(collection=self.collection)
 
 
@@ -346,7 +347,7 @@ class LatentsInvocation(BaseInvocation):
 
     latents: LatentsField = InputField(description="The latents tensor", input=Input.Connection)
 
-    def invoke(self, context) -> LatentsOutput:
+    def invoke(self, context: InvocationContext) -> LatentsOutput:
         latents = context.latents.get(self.latents.latents_name)
 
         return LatentsOutput.build(self.latents.latents_name, latents)
@@ -366,7 +367,7 @@ class LatentsCollectionInvocation(BaseInvocation):
         description="The collection of latents tensors",
     )
 
-    def invoke(self, context) -> LatentsCollectionOutput:
+    def invoke(self, context: InvocationContext) -> LatentsCollectionOutput:
         return LatentsCollectionOutput(collection=self.collection)
 
 
@@ -397,7 +398,7 @@ class ColorInvocation(BaseInvocation):
 
     color: ColorField = InputField(default=ColorField(r=0, g=0, b=0, a=255), description="The color value")
 
-    def invoke(self, context) -> ColorOutput:
+    def invoke(self, context: InvocationContext) -> ColorOutput:
         return ColorOutput(color=self.color)
 
 
@@ -438,7 +439,7 @@ class ConditioningInvocation(BaseInvocation):
 
     conditioning: ConditioningField = InputField(description=FieldDescriptions.cond, input=Input.Connection)
 
-    def invoke(self, context) -> ConditioningOutput:
+    def invoke(self, context: InvocationContext) -> ConditioningOutput:
         return ConditioningOutput(conditioning=self.conditioning)
 
 
@@ -457,7 +458,7 @@ class ConditioningCollectionInvocation(BaseInvocation):
         description="The collection of conditioning tensors",
     )
 
-    def invoke(self, context) -> ConditioningCollectionOutput:
+    def invoke(self, context: InvocationContext) -> ConditioningCollectionOutput:
         return ConditioningCollectionOutput(collection=self.collection)
 
 
diff --git a/invokeai/app/invocations/prompt.py b/invokeai/app/invocations/prompt.py
index 4f5ef43a56..234743a003 100644
--- a/invokeai/app/invocations/prompt.py
+++ b/invokeai/app/invocations/prompt.py
@@ -6,6 +6,7 @@ from dynamicprompts.generators import CombinatorialPromptGenerator, RandomPrompt
 from pydantic import field_validator
 
 from invokeai.app.invocations.primitives import StringCollectionOutput
+from invokeai.app.services.shared.invocation_context import InvocationContext
 
 from .baseinvocation import BaseInvocation, invocation
 from .fields import InputField, UIComponent
@@ -29,7 +30,7 @@ class DynamicPromptInvocation(BaseInvocation):
     max_prompts: int = InputField(default=1, description="The number of prompts to generate")
     combinatorial: bool = InputField(default=False, description="Whether to use the combinatorial generator")
 
-    def invoke(self, context) -> StringCollectionOutput:
+    def invoke(self, context: InvocationContext) -> StringCollectionOutput:
         if self.combinatorial:
             generator = CombinatorialPromptGenerator()
             prompts = generator.generate(self.prompt, max_prompts=self.max_prompts)
@@ -91,7 +92,7 @@ class PromptsFromFileInvocation(BaseInvocation):
                     break
         return prompts
 
-    def invoke(self, context) -> StringCollectionOutput:
+    def invoke(self, context: InvocationContext) -> StringCollectionOutput:
         prompts = self.promptsFromFile(
             self.file_path,
             self.pre_prompt,
diff --git a/invokeai/app/invocations/sdxl.py b/invokeai/app/invocations/sdxl.py
index 75a526cfff..8d51674a04 100644
--- a/invokeai/app/invocations/sdxl.py
+++ b/invokeai/app/invocations/sdxl.py
@@ -1,4 +1,5 @@
 from invokeai.app.invocations.fields import FieldDescriptions, Input, InputField, OutputField, UIType
+from invokeai.app.services.shared.invocation_context import InvocationContext
 
 from ...backend.model_management import ModelType, SubModelType
 from .baseinvocation import (
@@ -38,7 +39,7 @@ class SDXLModelLoaderInvocation(BaseInvocation):
     )
     # TODO: precision?
 
-    def invoke(self, context) -> SDXLModelLoaderOutput:
+    def invoke(self, context: InvocationContext) -> SDXLModelLoaderOutput:
         base_model = self.model.base_model
         model_name = self.model.model_name
         model_type = ModelType.Main
@@ -127,7 +128,7 @@ class SDXLRefinerModelLoaderInvocation(BaseInvocation):
     )
     # TODO: precision?
 
-    def invoke(self, context) -> SDXLRefinerModelLoaderOutput:
+    def invoke(self, context: InvocationContext) -> SDXLRefinerModelLoaderOutput:
         base_model = self.model.base_model
         model_name = self.model.model_name
         model_type = ModelType.Main
diff --git a/invokeai/app/invocations/strings.py b/invokeai/app/invocations/strings.py
index a4c92d9de5..182c976cd7 100644
--- a/invokeai/app/invocations/strings.py
+++ b/invokeai/app/invocations/strings.py
@@ -2,6 +2,8 @@
 
 import re
 
+from invokeai.app.services.shared.invocation_context import InvocationContext
+
 from .baseinvocation import (
     BaseInvocation,
     BaseInvocationOutput,
@@ -32,7 +34,7 @@ class StringSplitNegInvocation(BaseInvocation):
 
     string: str = InputField(default="", description="String to split", ui_component=UIComponent.Textarea)
 
-    def invoke(self, context) -> StringPosNegOutput:
+    def invoke(self, context: InvocationContext) -> StringPosNegOutput:
         p_string = ""
         n_string = ""
         brackets_depth = 0
@@ -76,7 +78,7 @@ class StringSplitInvocation(BaseInvocation):
         default="", description="Delimiter to spilt with. blank will split on the first whitespace"
     )
 
-    def invoke(self, context) -> String2Output:
+    def invoke(self, context: InvocationContext) -> String2Output:
         result = self.string.split(self.delimiter, 1)
         if len(result) == 2:
             part1, part2 = result
@@ -94,7 +96,7 @@ class StringJoinInvocation(BaseInvocation):
     string_left: str = InputField(default="", description="String Left", ui_component=UIComponent.Textarea)
     string_right: str = InputField(default="", description="String Right", ui_component=UIComponent.Textarea)
 
-    def invoke(self, context) -> StringOutput:
+    def invoke(self, context: InvocationContext) -> StringOutput:
         return StringOutput(value=((self.string_left or "") + (self.string_right or "")))
 
 
@@ -106,7 +108,7 @@ class StringJoinThreeInvocation(BaseInvocation):
     string_middle: str = InputField(default="", description="String Middle", ui_component=UIComponent.Textarea)
     string_right: str = InputField(default="", description="String Right", ui_component=UIComponent.Textarea)
 
-    def invoke(self, context) -> StringOutput:
+    def invoke(self, context: InvocationContext) -> StringOutput:
         return StringOutput(value=((self.string_left or "") + (self.string_middle or "") + (self.string_right or "")))
 
 
@@ -125,7 +127,7 @@ class StringReplaceInvocation(BaseInvocation):
         default=False, description="Use search string as a regex expression (non regex is case insensitive)"
     )
 
-    def invoke(self, context) -> StringOutput:
+    def invoke(self, context: InvocationContext) -> StringOutput:
         pattern = self.search_string or ""
         new_string = self.string or ""
         if len(pattern) > 0:
diff --git a/invokeai/app/invocations/t2i_adapter.py b/invokeai/app/invocations/t2i_adapter.py
index 74a098a501..0f4fe66ada 100644
--- a/invokeai/app/invocations/t2i_adapter.py
+++ b/invokeai/app/invocations/t2i_adapter.py
@@ -11,6 +11,7 @@ from invokeai.app.invocations.baseinvocation import (
 from invokeai.app.invocations.controlnet_image_processors import CONTROLNET_RESIZE_VALUES
 from invokeai.app.invocations.fields import FieldDescriptions, ImageField, Input, InputField, OutputField
 from invokeai.app.invocations.util import validate_begin_end_step, validate_weights
+from invokeai.app.services.shared.invocation_context import InvocationContext
 from invokeai.backend.model_management.models.base import BaseModelType
 
 
@@ -89,7 +90,7 @@ class T2IAdapterInvocation(BaseInvocation):
         validate_begin_end_step(self.begin_step_percent, self.end_step_percent)
         return self
 
-    def invoke(self, context) -> T2IAdapterOutput:
+    def invoke(self, context: InvocationContext) -> T2IAdapterOutput:
         return T2IAdapterOutput(
             t2i_adapter=T2IAdapterField(
                 image=self.image,
diff --git a/invokeai/app/invocations/tiles.py b/invokeai/app/invocations/tiles.py
index 0b4c472696..19ece42376 100644
--- a/invokeai/app/invocations/tiles.py
+++ b/invokeai/app/invocations/tiles.py
@@ -13,6 +13,7 @@ from invokeai.app.invocations.baseinvocation import (
 )
 from invokeai.app.invocations.fields import ImageField, Input, InputField, OutputField, WithMetadata
 from invokeai.app.invocations.primitives import ImageOutput
+from invokeai.app.services.shared.invocation_context import InvocationContext
 from invokeai.backend.tiles.tiles import (
     calc_tiles_even_split,
     calc_tiles_min_overlap,
@@ -56,7 +57,7 @@ class CalculateImageTilesInvocation(BaseInvocation):
         description="The target overlap, in pixels, between adjacent tiles. Adjacent tiles will overlap by at least this amount",
     )
 
-    def invoke(self, context) -> CalculateImageTilesOutput:
+    def invoke(self, context: InvocationContext) -> CalculateImageTilesOutput:
         tiles = calc_tiles_with_overlap(
             image_height=self.image_height,
             image_width=self.image_width,
@@ -99,7 +100,7 @@ class CalculateImageTilesEvenSplitInvocation(BaseInvocation):
         description="The overlap, in pixels, between adjacent tiles.",
     )
 
-    def invoke(self, context) -> CalculateImageTilesOutput:
+    def invoke(self, context: InvocationContext) -> CalculateImageTilesOutput:
         tiles = calc_tiles_even_split(
             image_height=self.image_height,
             image_width=self.image_width,
@@ -129,7 +130,7 @@ class CalculateImageTilesMinimumOverlapInvocation(BaseInvocation):
     tile_height: int = InputField(ge=1, default=576, description="The tile height, in pixels.")
     min_overlap: int = InputField(default=128, ge=0, description="Minimum overlap between adjacent tiles, in pixels.")
 
-    def invoke(self, context) -> CalculateImageTilesOutput:
+    def invoke(self, context: InvocationContext) -> CalculateImageTilesOutput:
         tiles = calc_tiles_min_overlap(
             image_height=self.image_height,
             image_width=self.image_width,
@@ -174,7 +175,7 @@ class TileToPropertiesInvocation(BaseInvocation):
 
     tile: Tile = InputField(description="The tile to split into properties.")
 
-    def invoke(self, context) -> TileToPropertiesOutput:
+    def invoke(self, context: InvocationContext) -> TileToPropertiesOutput:
         return TileToPropertiesOutput(
             coords_left=self.tile.coords.left,
             coords_right=self.tile.coords.right,
@@ -211,7 +212,7 @@ class PairTileImageInvocation(BaseInvocation):
     image: ImageField = InputField(description="The tile image.")
     tile: Tile = InputField(description="The tile properties.")
 
-    def invoke(self, context) -> PairTileImageOutput:
+    def invoke(self, context: InvocationContext) -> PairTileImageOutput:
         return PairTileImageOutput(
             tile_with_image=TileWithImage(
                 tile=self.tile,
@@ -247,7 +248,7 @@ class MergeTilesToImageInvocation(BaseInvocation, WithMetadata):
         description="The amount to blend adjacent tiles in pixels. Must be <= the amount of overlap between adjacent tiles.",
     )
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         images = [twi.image for twi in self.tiles_with_images]
         tiles = [twi.tile for twi in self.tiles_with_images]
 
diff --git a/invokeai/app/invocations/upscale.py b/invokeai/app/invocations/upscale.py
index ef17480986..71ef7ca3aa 100644
--- a/invokeai/app/invocations/upscale.py
+++ b/invokeai/app/invocations/upscale.py
@@ -10,6 +10,7 @@ from pydantic import ConfigDict
 
 from invokeai.app.invocations.fields import ImageField
 from invokeai.app.invocations.primitives import ImageOutput
+from invokeai.app.services.shared.invocation_context import InvocationContext
 from invokeai.backend.image_util.basicsr.rrdbnet_arch import RRDBNet
 from invokeai.backend.image_util.realesrgan.realesrgan import RealESRGAN
 from invokeai.backend.util.devices import choose_torch_device
@@ -42,7 +43,7 @@ class ESRGANInvocation(BaseInvocation, WithMetadata):
 
     model_config = ConfigDict(protected_namespaces=())
 
-    def invoke(self, context) -> ImageOutput:
+    def invoke(self, context: InvocationContext) -> ImageOutput:
         image = context.images.get_pil(self.image.image_name)
         models_path = context.config.get().models_path
 
diff --git a/invokeai/app/services/shared/graph.py b/invokeai/app/services/shared/graph.py
index c0699eb96b..3df230f5ee 100644
--- a/invokeai/app/services/shared/graph.py
+++ b/invokeai/app/services/shared/graph.py
@@ -17,6 +17,7 @@ from invokeai.app.invocations.baseinvocation import (
     invocation_output,
 )
 from invokeai.app.invocations.fields import Input, InputField, OutputField, UIType
+from invokeai.app.services.shared.invocation_context import InvocationContext
 from invokeai.app.util.misc import uuid_string
 
 # in 3.10 this would be "from types import NoneType"
@@ -201,7 +202,7 @@ class GraphInvocation(BaseInvocation):
     # TODO: figure out how to create a default here
     graph: "Graph" = InputField(description="The graph to run", default=None)
 
-    def invoke(self, context) -> GraphInvocationOutput:
+    def invoke(self, context: InvocationContext) -> GraphInvocationOutput:
         """Invoke with provided services and return outputs."""
         return GraphInvocationOutput()
 
@@ -227,7 +228,7 @@ class IterateInvocation(BaseInvocation):
     )
     index: int = InputField(description="The index, will be provided on executed iterators", default=0, ui_hidden=True)
 
-    def invoke(self, context) -> IterateInvocationOutput:
+    def invoke(self, context: InvocationContext) -> IterateInvocationOutput:
         """Produces the outputs as values"""
         return IterateInvocationOutput(item=self.collection[self.index], index=self.index, total=len(self.collection))
 
@@ -254,7 +255,7 @@ class CollectInvocation(BaseInvocation):
         description="The collection, will be provided on execution", default=[], ui_hidden=True
     )
 
-    def invoke(self, context) -> CollectInvocationOutput:
+    def invoke(self, context: InvocationContext) -> CollectInvocationOutput:
         """Invoke with provided services and return outputs."""
         return CollectInvocationOutput(collection=copy.copy(self.collection))
 
diff --git a/tests/aa_nodes/test_nodes.py b/tests/aa_nodes/test_nodes.py
index 559457c0e1..aab3d9c7b4 100644
--- a/tests/aa_nodes/test_nodes.py
+++ b/tests/aa_nodes/test_nodes.py
@@ -8,6 +8,7 @@ from invokeai.app.invocations.baseinvocation import (
 )
 from invokeai.app.invocations.fields import InputField, OutputField
 from invokeai.app.invocations.image import ImageField
+from invokeai.app.services.shared.invocation_context import InvocationContext
 
 
 # Define test invocations before importing anything that uses invocations
@@ -20,7 +21,7 @@ class ListPassThroughInvocationOutput(BaseInvocationOutput):
 class ListPassThroughInvocation(BaseInvocation):
     collection: list[ImageField] = InputField(default=[])
 
-    def invoke(self, context) -> ListPassThroughInvocationOutput:
+    def invoke(self, context: InvocationContext) -> ListPassThroughInvocationOutput:
         return ListPassThroughInvocationOutput(collection=self.collection)
 
 
@@ -33,13 +34,13 @@ class PromptTestInvocationOutput(BaseInvocationOutput):
 class PromptTestInvocation(BaseInvocation):
     prompt: str = InputField(default="")
 
-    def invoke(self, context) -> PromptTestInvocationOutput:
+    def invoke(self, context: InvocationContext) -> PromptTestInvocationOutput:
         return PromptTestInvocationOutput(prompt=self.prompt)
 
 
 @invocation("test_error", version="1.0.0")
 class ErrorInvocation(BaseInvocation):
-    def invoke(self, context) -> PromptTestInvocationOutput:
+    def invoke(self, context: InvocationContext) -> PromptTestInvocationOutput:
         raise Exception("This invocation is supposed to fail")
 
 
@@ -53,7 +54,7 @@ class TextToImageTestInvocation(BaseInvocation):
     prompt: str = InputField(default="")
     prompt2: str = InputField(default="")
 
-    def invoke(self, context) -> ImageTestInvocationOutput:
+    def invoke(self, context: InvocationContext) -> ImageTestInvocationOutput:
         return ImageTestInvocationOutput(image=ImageField(image_name=self.id))
 
 
@@ -62,7 +63,7 @@ class ImageToImageTestInvocation(BaseInvocation):
     prompt: str = InputField(default="")
     image: Union[ImageField, None] = InputField(default=None)
 
-    def invoke(self, context) -> ImageTestInvocationOutput:
+    def invoke(self, context: InvocationContext) -> ImageTestInvocationOutput:
         return ImageTestInvocationOutput(image=ImageField(image_name=self.id))
 
 
@@ -75,7 +76,7 @@ class PromptCollectionTestInvocationOutput(BaseInvocationOutput):
 class PromptCollectionTestInvocation(BaseInvocation):
     collection: list[str] = InputField()
 
-    def invoke(self, context) -> PromptCollectionTestInvocationOutput:
+    def invoke(self, context: InvocationContext) -> PromptCollectionTestInvocationOutput:
         return PromptCollectionTestInvocationOutput(collection=self.collection.copy())
 
 
@@ -88,7 +89,7 @@ class AnyTypeTestInvocationOutput(BaseInvocationOutput):
 class AnyTypeTestInvocation(BaseInvocation):
     value: Any = InputField(default=None)
 
-    def invoke(self, context) -> AnyTypeTestInvocationOutput:
+    def invoke(self, context: InvocationContext) -> AnyTypeTestInvocationOutput:
         return AnyTypeTestInvocationOutput(value=self.value)
 
 
@@ -96,7 +97,7 @@ class AnyTypeTestInvocation(BaseInvocation):
 class PolymorphicStringTestInvocation(BaseInvocation):
     value: Union[str, list[str]] = InputField(default="")
 
-    def invoke(self, context) -> PromptCollectionTestInvocationOutput:
+    def invoke(self, context: InvocationContext) -> PromptCollectionTestInvocationOutput:
         if isinstance(self.value, str):
             return PromptCollectionTestInvocationOutput(collection=[self.value])
         return PromptCollectionTestInvocationOutput(collection=self.value)