I am using TVs as tags on the site. I have also set up when a tag is clicked it redirects to SimpleSearch page with the contents of that tag. However, the search also lists the results found within the content of the post, and not just the tags. Is there a way to limit search results to show only tags?
you don't need SimpleSearch for that.
You can use getResources or pdoRsources with tvfilters to get the results listed.
You could also look into tagger for a better tagging-system, than using TVs for tags
you would use a snippet like getReqParam, no need to create your own, or fastField-tags would also work.
Many ways to get things done.