Mycroft search plugin install page for noai duckduckgo search. If in Firefox, add the engine in your search bar drop-down menu while on this page: https://mycroftproject.com/install.html?basename=ddg_noai&icontype=ico&name=DuckDuckGo+NoAI

Or just https://noai.duckduckgo.com/ if you just want the search start page for it.