Automatically frees VRAM/RAM after an idle delay - Ollama-style keep_alive for ComfyUI. No node to add to your workflows: configured entirely from Settings, with an optional topbar button.
https://github.com/Nlepetit/ComfyUI-AutoFreeMemory
git clone https://github.com/Nlepetit/ComfyUI-AutoFreeMemory
comfy node install autofreememory