Verify marketing content claims and return accuracy score. Checks statistics, quotes, and factual statements against sources.
Verifies marketing content claims by checking statistics, quotes, and facts against authoritative sources. Returns an accuracy score with specific citations and recommendations for improving credibility.
/plugin marketplace add majesticlabs-dev/majestic-marketplace/plugin install majestic-python@majestic-marketplaceVerify factual claims in marketing content and return an accuracy score with source citations.
| Claim Type | Example | Verification Method |
|---|---|---|
| Statistics | "85% of marketers use AI" | WebSearch for source |
| Metrics | "Saves 10 hours/week" | Look for case studies |
| Quotes | "As Forbes reported..." | Verify quote exists |
| Comparisons | "Fastest in the industry" | Check competitor data |
| Awards/Recognition | "Award-winning platform" | Verify award exists |
| Dates/Events | "Founded in 2015" | Cross-reference sources |
Extract Claims
Categorize
Verify via WebSearch
Score Each Claim
Calculate Overall Score
## Fact Check Report: [Content Title/Description]
**Overall Accuracy Score:** X/10
**Claims Analyzed:** X total (X verifiable, X opinions)
### Claim Analysis
| # | Claim | Type | Status | Source | Action |
|---|-------|------|--------|--------|--------|
| 1 | "85% of marketers..." | Stat | ✅ | [HubSpot 2024] | Add citation |
| 2 | "Best solution..." | Opinion | ℹ️ | - | OK as-is |
| 3 | "Saves 10 hours" | Metric | ⚠️ | - | Add case study |
| 4 | "Founded 2015" | Fact | ❌ | Was 2016 | Correct date |
### High-Risk Claims
Claims that need immediate attention:
1. **[Claim]** - [Why it's risky] - [Recommended fix]
### Recommendations
**To improve accuracy score:**
1. Add citations for unverified statistics
2. Soften absolute claims ("best" → "leading")
3. Update outdated data points
4. Remove or rephrase contradicted claims
**Legal/Compliance Notes:**
- [Any claims that could trigger FTC/advertising concerns]
| Score | Meaning |
|---|---|
| 9-10 | Excellent - All major claims verified with sources |
| 7-8 | Good - Most claims verified, minor gaps |
| 5-6 | Fair - Mix of verified and unverified claims |
| 3-4 | Poor - Many unverified or contradicted claims |
| 1-2 | Critical - Major factual issues found |
Prefer sources in this order:
Avoid: blogs, forums, Wikipedia (use as starting point only)
FTC/Advertising Compliance:
Common Marketing Claim Patterns:
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