factcheck

Extract and verify factual claims in text with sourced reports.

Updated May 9, 2026
One-click install
npx skills add https://github.com/HwFee/AgentProject --skill factcheck-hwfee
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: factcheck
Source: https://github.com/HwFee/AgentProject/tree/main/skills/factcheck
Command: npx skills add https://github.com/HwFee/AgentProject --skill factcheck-hwfee

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill helps writers, marketers, educators, and researchers verify factual claims in any draft content by systematically identifying checkable claims and validating them with credible sources, reducing misinformation and improving publishability.

Core Features & Use Cases

  • Claim extraction: Identifies checkable factual claims in text and assigns them identifiers like C1, C2, etc.
  • Source-backed verification: Searches reliable sources to verify each claim and returns a structured, sourced report.
  • Tiered output and publishability guidance: Provides a tiered assessment and a suggested fix if a claim is incorrect or misleading.
  • Use Case: A marketing draft can be quickly fact-checked to ensure figures, dates, and quotes are accurate before publication.

Quick Start

Paste the content you want fact-checked and request verification.

Frequently Asked Questions about factcheck

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

FAQPage Schema
How do I fact-check claims in a draft article before publishing?

To fact-check claims in a draft, paste your text to automatically extract factual assertions and cross-reference them against credible sources, generating a structured verification report with publishability guidance.

What is the best way to verify factual statements in marketing content?

Verifying factual statements in marketing content requires identifying checkable claims like figures and dates, then cross-checking them with reliable sources to ensure accuracy and improve overall publishability.

Can I verify sources for social media posts and scripts?

Yes, you can verify sources for social media posts and scripts by submitting the draft text; the system supports a broad range of content types and outputs a tiered verification assessment.

How does source-backed verification work for extracted claims?

Source-backed verification works by assigning identifiers to extracted claims, searching credible sources to validate each assertion, and producing a structured report that includes a suggested fix for incorrect or misleading statements.

What are the limitations of automated fact-checking for newsletters?

Automated fact-checking for newsletters is limited to identifying checkable factual claims and validating them with credible sources; it provides a tiered confidence assessment rather than absolute truth verification.