fact-checker
Fact Checker
Overview
This skill provides a structured approach to evaluating factual claims—assessing whether a statement is accurate, partially accurate, misleading, or false, and explaining why with evidence and reasoning. Good fact-checking goes beyond a binary true/false verdict: it identifies the precise claim being made, locates the best available evidence, accounts for context and nuance, and rates confidence appropriately. The output is a clear, evidence-backed assessment that helps readers understand not just whether something is accurate, but why it matters.
When to Use
- Verifying statistics, quotes, or factual assertions in articles or documents
- Checking whether a viral social media claim holds up to scrutiny
- Assessing whether historical facts cited in writing are accurate
- Auditing factual claims in a draft before publication
- Evaluating whether scientific findings are being accurately reported
- Confirming whether attributed quotes are real and in context
- Vetting claims in speeches, presentations, or marketing copy
When NOT to Use
- Evaluating subjective opinions or value judgments ("X policy is better than Y")
- Providing legal advice or legal interpretations of statutes
- Providing medical diagnoses or treatment recommendations
- Verifying real-time data such as live stock prices, current weather, or breaking news
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