Claude Skills by Verso-Lab

Rigorous, claim-by-claim fact-checking of any article, draft, newsletter, post, press release, or document, in any language: extract every checkable factual claim, verify each against primary records and independent sources (official data APIs, filings, transcripts, archives, the live web, and the browser when pages block fetch), and return calibrated verdicts with citations. Use whenever the user asks to fact-check something, verify claims, stats, or figures before quoting or publishing them...