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OzBrain vs mailbox.bot

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

OzBrain compared with mailbox.bot
DetailOzBrain logo OzBrainmailbox.bot logo mailbox.bot
What it doesA hosted knowledge base every AI agent reads and writes Physical mailing address and postal mail API for AI agents
StageStartup Not given
FoundedNot given Not given
Based inAU US
Pricing modelFreemium Freemium
PricingFree: $0 forever, up to 50 articles. Pro: $20 per month, up to 500 articles. Max: $99 per month, up to 5,000 articles. Enterprise: custom pricing. Outbound mail: $0/month base, USPS First-Class Mail (1-page letter) $2.00, USPS Priority Mail flat-rate envelope $15.00, USPS Certified Mail $20.00, Certified with Electronic Return Receipt $24.00. Printing: B&W $0.40/page, Color $0.70/page. Mailing address for AI agent: $15/month, includes 30 stand
Key features
  • Native connectors for Claude and ChatGPT
  • Support for Claude Code, Cursor, and coding agents
  • Structured articles with links and provenance
  • Automatic versioning and deprecation tracking
  • Complete audit trail of changes
  • Nested knowledge structure
  • End-to-end encryption
  • Markdown export anytime
  • No coding required to set up
  • Send outbound mail via API, MCP, or dashboard
  • Certified mail with proof of delivery
  • Inbound mail scanning and OCR
  • REST API and MCP server integration
  • Webhook notifications with HMAC-SHA256 signing
  • Batch mail and postcards from templates
  • Human-in-the-loop approval gates for mail
  • Multi-channel notifications via email, SMS, Slack, Discord
  • Fulfillment photos and tracking for all mail
What makes it different
  • Automatic update propagation to replace outdated information
  • Real physical street address for autonomous agents to receive mail and packages
  • Seamless API integration with AI agent frameworks like OpenClaw, Hermes, LangChain
  • Inbound mail becomes structured agentic context via OCR and webhooks
  • Complete tracking from document submission through delivery confirmation
  • No credit card required to start using the service
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)22 −1 (down) since last check22 no change since last check
Trust Flow (Majestic)51
Citation Flow (Majestic)3726
Referring domains (Majestic)44976

6 details filled in for both companies.

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