Fact Check

Overview

Verifies every factual claim in a draft or source set before publish. Workflow: extract claims, verify each against evidence, adjudicate with one of four labels, emit a per-claim report with a Warnings section. Burden of proof sits on the claim, not the checker: a claim without supporting evidence stays unproven.

Works standalone on any document, or as a pre-publish gate for voice-writer and publish flows. The gate is non-blocking: the report warns and lists findings; the caller decides whether to publish. When the caller provides source documents, verify against those first; reach for the web only when no provided source covers a claim and web access is in scope.

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