ComfyUI node execution lifecycle - caching, fingerprint_inputs/IS_CHANGED, validate_inputs/VALIDATE_INPUTS, check_lazy_status, execution order. Use when debugging execution, implementing caching control, input validation, or understanding execution flow.
ComfyUI advanced node patterns - MatchType, Autogrow, DynamicCombo, node expansion, MultiType, wildcard inputs. Use when building complex nodes with dynamic inputs, type matching, or node expansion.
ComfyUI custom node fundamentals - V3 node structure, Schema, inputs/outputs, registration. Use when creating new ComfyUI custom nodes, defining node classes, or setting up a custom node project.
ComfyUI data types - IMAGE, LATENT, MASK, CONDITIONING, MODEL, CLIP, VAE, AUDIO, VIDEO, 3D types, widget types, and custom types. Use when working with ComfyUI tensors, model types, or defining input/output data types.
ComfyUI frontend JavaScript extensions - hooks, widgets, sidebar tabs, commands, settings, toasts, dialogs. Use when adding UI features to custom nodes, creating custom widgets, or extending the ComfyUI frontend.
ComfyUI node input types - INT, FLOAT, STRING, BOOLEAN, COMBO widgets, hidden inputs, optional inputs, lazy inputs, force_input. Use when configuring node inputs, adding widgets, or customizing input behavior.
ComfyUI V1 to V3 node migration - converting legacy nodes to the V3 API. Use when migrating existing custom nodes from V1 to V3, understanding differences between API versions, or modernizing node code.
ComfyUI node output types - NodeOutput, UI outputs, PreviewImage, PreviewMask, SavedImages, PreviewAudio, PreviewText, PreviewVideo. Use when returning results from nodes, displaying previews, or saving output files.