Curio vs M91
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Curio compared with M91
| Detail | 
Curio | 
M91 |
|---|
| What it does | Design library for AI agents
| Human-in-the-loop approval for AI agents
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|---|
| Stage | Startup
| Not given
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| Founded | 2026
| Not given
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| Based in | Not given
| Not given
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| Pricing model | Paid
| Free
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| Pricing | Not given
| Free forever with all features included
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| Key features | - 2,746 design styles spanning design movements, brands, and cultural traditions
- DESIGN.md machine-readable specifications for each style
- MCP integration for direct AI access
- Shareable links that work for 15 minutes
- Worked examples across real scenarios
- Free browsing and previews of all styles
- Filters by use, mood, color and era
- New styles added every week
- Downloadable DESIGN.md files
- 13 spec sections per style including colors, typography, spacing, motion, and techniques
| - Alerts on iPhone and Android with answer buttons
- Phone call escalation for high and critical alerts
- Breaks through silent mode and Do Not Disturb
- Attachments and notes on every alert
- Broadcast to a channel with one person taking ownership
- See who acted and who ignored alerts
- Answer buttons set by you or your AI
- Callback webhooks to return answers to your code
- Setup via pasted prompt or API key-free send link
- Integration with AI frameworks, automation platforms and HTTP API
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| What makes it different | - Enables non-designers to produce designer-quality results by having AI apply the design style
- Packages established design styles from art history, cultural traditions, and major brands as AI-readable specs
- One-time credit purchase model with no subscription and non-expiring credits
- Direct integration with popular AI assistants including Claude, ChatGPT, and Cursor
- Unlimited reuse after single one-time credit purchase
| - Full-volume alerts that interrupt even when phone is silenced
- No SDK, API key or card required to start
- Free forever with every feature for every team member
- Escalates to phone calls for critical alerts that go unanswered
- Works with existing AI agents, workflows and monitoring tools
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 12 ▲ +1 (up) since last check | 73 ● no change since last check |
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| Trust Flow (Majestic) | 11 | 1 |
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| Citation Flow (Majestic) | 30 | 1 |
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| Referring domains (Majestic) | 60 | 0 |
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4 details filled in for both companies.
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