To program a complete new search engine for a specified taks of finding all by itself some mods for some minor niche games, is no easy task, nor does it appear to me that the result justifies the investment in time and effort (if it even can be done, what I doubt, because there is no convention how mods for the games you want should be marked and named by the authors). Note that thgere are mod collections and lists on such mods on the web for various game ganres - but none of them does maintain itself automatically, like you want it. they have been collected by somebody, by searchinbg, asking, and having received links by helping minds, and then such lists get updated - or not.
So yes, your expectation is unrealistic, most probably, and yes, I have answered both your original and your follow up question. And I think I now do not want any longer, since you turn a bit too aggressive for my taste. A solution how you can acchieve the result you want with just a minimum of regular maintencance, I have hinted at. And it is a proven and economic solution, which I know for sure becasue I maintained those quoted resources myself - for four years until last Decembre.
