Fact-Checking Skill

Verify factual claims in manuscript against ingested sources.

Usage

/fact-check --section section_123
/fact-check --chapter 3
/fact-check --claim "SOE training lasted six weeks"

How It Works

1. Extract Claims: Identify factual statements
2. Source Lookup: Find relevant sources in database
3. Verification: Compare claim to source content
4. Reliability Check: Assess source quality
5. Report: Flag unsupported or conflicting claims

Claim Categories

Verifiable

• Dates and timelines
• Statistics and numbers
• Historical events
• Technical specifications
• Geographic information
• Names and titles

Subjective

• Opinions and interpretations
• Character motivations (fiction)
• Artistic choices

Verification Levels

✅ Verified: 2+ high-reliability sources agree ⚠️ Partially Verified: 1 source, or medium reliability ❌ Unverified: No source support ⚡ Conflicting: Sources disagree

Example Report

FACT-CHECK REPORT - Section 3.2

✅ "SOE training center at Beaulieu"
   Sources: [High] SOE Official History
            [High] Beaulieu Archives

⚠️ "Training lasted six weeks"
   Sources: [Medium] Memoir - Agent testimony
   Note: Duration varied by agent specialty

❌ "All agents carried cyanide capsules"
   Sources: None found
   Recommendation: Research or remove/hedge claim

⚡ "Over 400 agents deployed to France"
   Conflicting: [High] Official records say 393
                [Medium] Historian estimates 420+
   Recommendation: Cite range or specific source

Integration

Runs automatically during /bookstrap-edit-path Can be run manually on specific sections