fact-checker

Verify factual claims and identify misinformation with evidence-based analysis.

4|1|Updated Nov 1, 2025
One-click install
npx skills add https://github.com/xtrm-dev/specialists --skill fact-checker-xtrm-dev
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: fact-checker
Source: https://github.com/xtrm-dev/specialists/tree/main/.xtrm/skills/optional/research-methods/fact-checker
Command: npx skills add https://github.com/xtrm-dev/specialists --skill fact-checker-xtrm-dev

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps you determine whether a claim is true, false, misleading, or impossible to verify by applying a structured evidence-based review instead of relying on guesswork or rhetoric.

Core Features & Use Cases

  • Claim Verification: Separate factual assertions from opinions, assumptions, and interpretations.
  • Evidence Evaluation: Compare claims against authoritative sources, primary data, and publication context.
  • Credibility Assessment: Judge source quality and detect common issues like cherry-picking, omission of context, and false equivalence.
  • Use Case: If a viral post says a statistic proves something dramatic, this Skill helps you check the original data, evaluate the source, and present a clear verdict with supporting evidence.

Quick Start

Use the fact-checker skill to verify a claim, assess the available evidence, and return a verdict with context and sources.

Frequently Asked Questions about fact-checker

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I verify if a viral post is spreading misinformation?

To verify a viral post for misinformation, you separate factual assertions from opinions and compare the claim against authoritative sources. This structured evidence-based review evaluates source credibility to return a clear verdict with supporting context.

What is the best way to fact check statistics found in news statements?

The best way to fact check statistics in news statements is to check the original primary data and evaluate the publication context. This process assesses source quality to detect issues like cherry-picking or omission of context before providing a final verdict.

How does source credibility review work for scientific assertions?

Source credibility review for scientific assertions works by comparing the claims against authoritative sources and primary data. It judges source quality to identify false equivalence or contextual omissions, ultimately returning a clear verdict with supporting evidence.

Can I assess source credibility for claims that are impossible to verify?

Yes, you can assess source credibility for claims that are impossible to verify. The evidence evaluation process compares available data against authoritative sources and explicitly concludes when a claim cannot be verified due to insufficient evidence.

What are the limitations of evidence-based analysis for misleading claims?

A limitation of evidence-based analysis for misleading claims is its reliance on the availability of authoritative sources and primary data. If original data is obscured, the review may conclude a claim is impossible to verify rather than definitively false.