This tool will turn entire workflows or parts of them into single integrated nodes. In a way, it is similar to the Node Templates functionality but hides the inner structure. This is useful if all you want is to reuse and quickly configure a bunch of nodes without caring how they are interconnected.
https://github.com/palant/integrated-nodes-comfyui
git clone https://github.com/palant/integrated-nodes-comfyui
comfy node install integrated-nodes-comfyui