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Curio vs Agentboxd

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 Agentboxd
DetailCurio logo CurioAgentboxd logo Agentboxd
What it doesDesign library for AI agents Real email inboxes for AI agents with API, webhooks, and AI triage
StageStartup MVP
Founded2026 Not given
Based inNot given GB
Pricing modelPaid Free
PricingNot given Free during public beta. Planned after beta: Builder $15/month, Team $60/month, Scale custom. Builder includes 25,000 emails/month, 100 inboxes, 25,000 AI triage calls/month. Team includes 150,000 emails/month, 1,000 inboxes, 150,000 AI triage calls/month. Overage pricing: $1 per 1,000 emails, $0.50
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
  • AI triage on every email with category, phishing, injection, and urgency scoring
  • Inboxes with one API call on shared or custom domains
  • Drafts with human approval before sending
  • DKIM-signed sending with threaded replies
  • Webhooks with HMAC-SHA256 signature verification
  • Full-text search and long-poll wait endpoints
  • Text extraction from attachments including OCR
  • Sign in with Agentboxd for AI agent authentication
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
  • AI processing is optional with privacy switch
Community votes00
DR (Domain Rating by Ahrefs)12 +1 (up) since last check21 +4 (up) since last check
Trust Flow (Majestic)115
Citation Flow (Majestic)3031
Referring domains (Majestic)6055

5 details filled in for both companies.

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