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blog-factcheck

Fetch cited URLs and score statistical claim accuracy in blog posts.

Updated Apr 25, 2026
Search Tags:#source verification#fact checking#statistics verification#data credibility#blog post analysis
One-click install
npx skills add https://github.com/bykoleksii-hardo/hardo-app --skill blog-factcheck-bykoleksii-hardo
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: blog-factcheck
Source: https://github.com/bykoleksii-hardo/hardo-app/tree/main/.claude/skills/blogskills/blog-factcheck
Command: npx skills add https://github.com/bykoleksii-hardo/hardo-app --skill blog-factcheck-bykoleksii-hardo

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) components.

What problem does it solve?

Quickly and accurately verify statistics and claims in blog posts, ensuring credibility and reducing misinformation.

Core Features & Use Cases

  • Source Verification: Fetch and verify cited source URLs.
  • Claim Extraction: Extract statistical claims (numbers, percentages, named sources).
  • Confidence Scoring: Score match confidence (exact match 1.0, paraphrase 0.7-0.9, not found 0.0).
  • Uncited Claims: Flag uncited claims as UNVERIFIED.
  • Use Case: When a user asks to "fact check" a blog post, this skill can be used to verify the accuracy of claims and sources.

Quick Start

Use the blog factcheck skill with the file path to the blog post, e.g., '/blog factcheck /path/to/post.md'.

Frequently Asked Questions about blog-factcheck

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

FAQPage Schema
How do I fact check statistics and claims in a blog post?▼

To fact check blog posts, this skill fetches cited source URLs to verify statistical claims, providing confidence scores for exact matches and flagging uncited claims as unverified.

How does source verification work for extracted data credibility claims?▼

Source verification works by using WebFetch to access cited URL content, extracting statistical claims like numbers and percentages, and comparing them against the fetched source data for accuracy.

Can I verify uncited claims in my blog post analysis?▼

You can analyze uncited claims, but the skill cannot verify their accuracy; it automatically flags any uncited statistical claims as UNVERIFIED in your final fact checking report.

What confidence scoring mechanism is used during blog post analysis?▼

Confidence scoring rates claim accuracy from 1.0 for exact matches, 0.7 to 0.9 for paraphrased data, and 0.0 when the statistical claim is not found in the fetched source.

Do I need WebFetch to verify cited source URLs?▼

Yes, WebFetch is required to access source content; the fact checking skill relies on it to fetch and analyze the external URLs cited within your blog post for verification.

What is the best way to handle unverifiable claims in content verification workflows?▼

For content verification, the skill flags unverifiable claims with a 0.0 confidence score or an UNVERIFIED tag, allowing you to manually review or remove unsupported statistics from your post.

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