| What it does | SEO articles researched, written, fact-checked and published to your website on autopilot
| Turn Substack articles into viral social posts
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| Stage | Not given
| Startup
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| Founded | Not given
| 2025
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| Based in | US
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| Pricing model | Freemium
| Freemium
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| Pricing | Cloud plans billed per site: Starter $49/month (3 articles a week), Growth $99/month (1 article a day), Pro $179/month (2 articles a day). Yearly billing available at two months free: Starter $490/year, Growth $990/year, Pro $1,790/year. Additional sites get 20% discount. Agents and API: $20 for 100
| Free: 10 credits (one-time). Monthly: $7/mo for 70 credits. Yearly: $65/yr for 600 credits.
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| Key features | - Fact-checking: every number and citation verified against saved source text
- AI article writing using Claude Sonnet and Haiku models
- Topic suggestions from Search Console data and market research
- Multiple publishing options: hosted blog, WordPress, Ghost, webhook, site builder
- Weekly performance reports via email
- Approve-first mode for manual review before publishing
- CLI, REST API, and MCP server interfaces
- Open source self-hosting under AGPL-3.0
| - TYPE-FORMULA pipeline that extracts insight types (diagnostic, wisdom, contrarian, data-backed, framework, story) and applies viral structures
- Knowledge Bank to store, browse, and reuse extracted insights
- 10+ viral formula structures including parallel repetition, conditional framework, and bridge analogy
- Chrome extension for scheduling posts directly to Substack
- Rich-text editor with HTML and plain text export
- MCP integration for Claude and Cursor
- Automatic article URL processing from published or draft posts
- Priority processing for paid plan users
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| What makes it different | - Every claim fact-checked against saved source text before publishing, stopping articles that fail until fixed or manually reviewed
- Completely free first article with full fact-check, no card required
- Open source loop under AGPL-3.0 available for free self-hosting
- 20% discount on additional sites for agencies and multiple properties
| - Designed specifically for Substack writers with formulas trained on viral patterns
- Two-stage TYPE-FORMULA process instead of generic AI summarization
- Knowledge Bank compounds over time as more articles are processed
- From URL to scheduled post in minutes with no copy-paste needed
- Credits never expire at your own publishing pace
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 5 ▲ +2 (up) since last check | 10 ▲ +2 (up) since last check |
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| Trust Flow (Majestic) | 0 | 0 |
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| Citation Flow (Majestic) | 16 | 15 |
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| Referring domains (Majestic) | 4 | 5 |
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Paperboy
Quick Viral Notes