Looking for a "Dynamic Context-Aware Loader" node in ComfyUI - Which plugin adds this?

I’m a digital artist trying to set up a workflow I saw online that uses a ​dynamic context-aware loader in ComfyUI. This node supposedly adjusts models based on inputs like prompts or scene settings. But I can’t find it anywhere — not in default nodes or my installed plugins.

What I tried:

Searched “dynamic”, “context”, and “loader” in ComfyUI Manager (no luck).
Checked plugins like Manager, CustomNodes, AdvancedControlNet.
Looked through some GitHub repos (e.g., “ComfyUI-DynamicDiffusion”), but nothing matches exactly.
My questions:

​Is this node part of a plugin? If yes, what’s its name?
If it’s custom, ​any tutorials on building it (like modifying init files or extending mappings)?
​Any alternatives that load models dynamically with context?

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I tried searching for it, but I couldn’t find it…

Maybe someone made a private custom node for their own use. It should be possible to do with an IF statement or something…