fact-check

Post-answer fact verification of a claim, article, social-media post, document, or report. Use to verify truth, detect misinformation, evaluate source credibility, compare competing sources, or audit factual errors. Produces a Fact-Check Card with verdict, evidence trail, credibility scores, and a Manipulation/Framing Score. Triggers on fact-check this, is this true, verify this claim, check the facts, compare these sources, audit the citations.