source-verification

Verify claims by checking sources, media, and documents against credentials.

1|Updated Feb 23, 2026
One-click install
npx skills add https://github.com/ValorInvestigator/claude-plugin-toolkit --skill source-verification-valorinvestigator
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: source-verification
Source: https://github.com/ValorInvestigator/claude-plugin-toolkit/tree/main/skills/source-verification
Command: npx skills add https://github.com/ValorInvestigator/claude-plugin-toolkit --skill source-verification-valorinvestigator

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill organizes source verification checklists and workflows so journalists and researchers can stop relying on unvetted claims, perform systematic credibility checks, and document findings for accountability.

Core Features & Use Cases

  • Verification Frameworks: Guidance on the SIFT method and source credibility checkpoints to assess motivations, expertise, corroboration, and digital footprints.
  • Media Authentication: Practical steps for reverse image, video, and document verification covering metadata, contextual clues, and tracing originals.
  • Evidence Trail Building: Templates for documenting verification steps, correlating corroborating and contradicting sources, and archiving evidence for oversight or reporting purposes.

Quick Start

Ask the skill to verify a recent claim by cross-checking the cited sources, scanning related media, and logging each verification step.

Frequently Asked Questions about source-verification

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

FAQPage Schema
How do I verify the credibility of an unverified social media post?

To verify an unverified social media post, apply the SIFT fact-checking framework to assess the source's motivations, expertise, and digital footprint, then cross-check the claims against corroborating evidence. This skill systematically guides you through those credibility checkpoints.

What is the best way to perform reverse image verification for news reporting?

The best way to perform reverse image verification is to trace the original source by examining file metadata, analyzing contextual clues, and scanning for corroborating or contradicting visual evidence. This skill provides practical steps for authenticating digital media.

How do I document a fact-checking and source verification trail?

You document a fact-checking verification trail by logging each step, correlating corroborating and contradicting sources, and archiving the resulting evidence. This skill supplies templates for building structured documentation trails for reporting accountability.

Can I use the SIFT method to assess leaked documents needing credibility assessment?

Yes, you can use the SIFT method alongside document analysis to assess leaked documents needing credibility assessment. This skill applies structured verification workflows to validate document authenticity by checking credentials against available evidence.

Does this source verification approach work for tracing the origins of digital media?

Yes, this source verification approach works for tracing digital media origins by scrutinizing metadata, contextual clues, and reverse image video footprints. It applies journalism workflows to authenticate media and isolate original source files.