So I was getting a value of 77 for l.settings:item:product_id so it was working. After some more tweaks I was able to get it to output.
Code:
<mvt:do file="g.Module_Feature_URI_DB" name="l.success" value="URI_Load_Product_Canonical(l.settings:item:product_id, l.settings:uri)" /> <a href="https://www.domain.com&mvt:uri:uri;">Product Link</a>
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