fact-checker

Verify factual claims by analyzing sources, credibility, and context.

Updated Apr 11, 2026
One-click install
npx skills add https://github.com/wukangcheng2944/claude-skills --skill fact-checker-wukangcheng2944
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: fact-checker
Source: https://github.com/wukangcheng2944/claude-skills/tree/main/fact-checker
Command: npx skills add https://github.com/wukangcheng2944/claude-skills --skill fact-checker-wukangcheng2944

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill helps verify claims and identify misinformation by applying a structured, evidence-based analysis workflow, reducing uncertainty in decision-making.

Core Features & Use Cases

  • Systematic claim extraction: identify explicit and implicit claims within user-provided text.
  • Evidence evaluation: assess sources, credibility, recency, and relevance.
  • Structured verdicts: provide transparent reasoning, highlighting strongest evidence and next steps.

Quick Start

Provide a claim to verify and any available sources to evaluate.

Frequently Asked Questions about fact-checker

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

FAQPage Schema
How do I verify factual claims against evidence and sources?

To verify factual claims against evidence, the system extracts explicit and implicit assertions, evaluates source credibility and recency, assigns a confidence rating, and documents context and caveats for transparent reasoning.

What is the best way to identify misinformation in news and social media?

Identifying misinformation involves applying a structured fact-checking workflow that analyzes provided sources, evaluates credibility, and determines veracity through evidence-based analysis, reducing uncertainty in decision-making.

How do I extract implicit claims from a statement for fact-checking?

Extracting implicit claims from a statement requires systematic claim extraction, which identifies both explicit and implicit assertions within user-provided text to prepare for evidence evaluation and structured verdicts.

Can I use automated fact-checking for user-provided statements without external dependencies?

Yes, you can verify user-provided statements without external dependencies by supplying the claim and any available sources to evaluate, triggering a structured verification process that assesses credibility and assigns confidence.

How does evidence evaluation determine the credibility of a source?

Evidence evaluation determines source credibility by assessing sources, credibility, recency, and relevance to assign a confidence rating, highlighting the strongest evidence and next steps within structured verdicts.

What are the limitations of fact-checking workflows for complex claims?

Fact-checking workflows for complex claims require available sources to evaluate and may produce caveats, meaning veracity determination depends heavily on the recency, relevance, and credibility of the evidence provided.