Node Reference¶

All UmeAiRT nodes use the ⬡ prefix in ComfyUI and are organized into categories in the right-click menu under UmeAiRT/.

Loaders¶

Load models, VAEs, and text encoders into memory.

Node	Display Name	Output	Use Case
Checkpoint Loader	⬡ Checkpoint Loader	MODEL, CLIP, VAE	SD 1.5 / SDXL single-file checkpoints
Checkpoint Loader (Advanced)	⬡ Checkpoint Loader (Advanced)	UME_BUNDLE	All-in-one: model + prompts + settings
FLUX Loader	⬡ FLUX Loader	MODEL, CLIP, VAE	FLUX architecture (dual CLIP)
Z-IMG Loader	⬡ Z-IMG Loader	MODEL, CLIP, VAE	Z-IMAGE / Lumina2 architecture
Fragmented Loader	⬡ Fragmented Loader	MODEL, CLIP, VAE	Diffusers-format model folders
Bundle Auto-Loader	⬡ 📦 Bundle Auto-Loader	UME_BUNDLE	Auto-download + load from manifest
Multi-LoRA Loader	⬡ Multi-LoRA Loader	MODEL, CLIP	Apply up to 3 LoRAs (wired)

Configure generation parameters and prepare images for processing.

Node	Display Name	Output	Use Case
Generation Settings	⬡ Generation Settings	UME_SETTINGS	Dimensions, steps, CFG, sampler, seed
Image Loader	⬡ Image Loader	UME_IMAGE	Load source image for img2img/inpaint
Image Process	⬡ Image Process	UME_IMAGE	Crop, outpaint, resize, mode selection
LoRA Blocks	⬡ LoRA 1x/3x/5x/10x	UME_LORA_STACK	Stack LoRA models with strengths
ControlNet	⬡ ControlNet Apply/Process	UME_IMAGE	Apply ControlNet guidance
Prompt Inputs	⬡ Positive/Negative Prompt	POSITIVE/NEGATIVE	Text prompt editors

Generate and enhance images.

Node	Display Name	Output	Use Case
KSampler	⬡ KSampler	UME_PIPELINE	Central sampling hub
UltimateSD Upscale	⬡ UltimateSD Upscale	UME_PIPELINE	Tiled upscaling with redraw
SeedVR2 Upscale	⬡ SeedVR2 Upscale	UME_PIPELINE	AI-native upscaling
FaceDetailer	⬡ FaceDetailer	UME_PIPELINE	Automatic face enhancement
Detailer Daemon	⬡ Detailer Daemon	UME_PIPELINE	Configurable face detection params

Save and composite final images.

Node	Display Name	Output	Use Case
Source Image Output	⬡ Source Image Output	IMAGE, MASK	Pass-through for source image
Inpaint Composite	⬡ Inpaint Composite	IMAGE	Blend generated + source via mask
Image Saver	⬡ Image Saver	—	Save with metadata + naming

Convert between UmeAiRT bundles and standard ComfyUI types.

See Pack / Unpack Overview for the full list of 13 interoperability nodes.

Workflow helpers and diagnostics.

Node	Display Name	Output	Use Case
Bundle Downloader	⬡ 💾 Bundle Model Downloader	STRING	Pre-download models without loading
Health Check	⬡ 🩺 Health Check	—	System diagnostics
Log Viewer	⬡ 📜 Log Viewer	—	View UmeAiRT logs
Label	⬡ Label	—	Visual annotation node