check-facts

Scan prose for empirical claims and verify them against primary web sources.

2|Updated May 31, 2026
One-click install
npx skills add https://github.com/kangning-huang/knhuang-research-skills --skill check-facts
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: check-facts
Source: https://github.com/kangning-huang/knhuang-research-skills/tree/main/skills/check-facts
Command: npx skills add https://github.com/kangning-huang/knhuang-research-skills --skill check-facts

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill eliminates the risk of publishing inaccurate statistics, outdated data, or unsupported historical claims in your professional writing.

Core Features & Use Cases

  • Empirical Claim Scanning: Automatically identifies statistics, dates, and comparative claims that require verification.
  • Primary Source Validation: Uses web search to find authoritative government or institutional data, ensuring you cite the original source rather than secondary journalism.
  • Use Case: When drafting a grant proposal or policy brief, use this to ensure all population figures, budget gaps, and historical assertions are backed by clickable, verified URLs.

Quick Start

Run the check-facts skill on your current document to identify and verify all empirical claims against primary web sources.

Frequently Asked Questions about check-facts

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

FAQPage Schema
How do I verify empirical claims in my document against primary sources?

To verify empirical claims, the skill scans written prose for statistics and historical assertions, then cross-references them against primary web sources like official government or institutional data to ensure factual accuracy.

How do I fact-check statistics in a grant proposal before submission?

Fact-checking statistics in a grant proposal involves scanning the narrative for population figures and budget gaps, then validating them against authoritative institutional data to ensure all assertions are backed by clickable, verified URLs.

Can I use this to validate historical assertions and comparative claims in technical reports?

Yes, you can validate historical assertions and comparative claims in technical reports by scanning the text for empirical statements and cross-referencing them with primary web sources to ensure high-confidence data validation.

Does fact-checking written prose require web search capabilities to find authoritative sources?

Yes, fact-checking written prose requires web search capabilities to find authoritative government or institutional data, ensuring you cite original primary sources rather than relying on secondary journalism.

What is the best way to ensure factual accuracy in blog posts requiring high-confidence data validation?

The best way to ensure factual accuracy in blog posts is to automatically identify statistics, dates, and comparative claims, then verify them against primary web sources to eliminate the risk of publishing unsupported or outdated data.

What types of empirical claims are automatically identified for data verification?

Data verification targets statistics, dates, and comparative claims that require validation, automatically scanning written prose to identify empirical statements and cross-reference them with official government or institutional data.