mailbox.bot vs OnlyMCP

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

mailbox.bot compared with OnlyMCP
Detail	mailbox.bot	OnlyMCP
What it does	Physical mailing address and postal mail API for AI agents	A hosted MCP server that syncs your skills, agents, memory and connections across every AI client
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	CH
Pricing model	Freemium	Freemium
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	Free: CHF 0/month (3 MCP connections, 3 devices, 20 skills, 10 agents, 200 memory files). Pro: CHF 9/month plus VAT (25 MCP connections, 10 devices, unlimited skills, unlimited agents, 5000 memory files). Team: CHF 19 per seat/month plus VAT (unlimited MCP connections, unlimited devices, unlimited s
Key features	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	Connect multiple MCP servers through one endpoint Sync skills, agents and memory across devices Encrypted credential storage on server Memory with linked notes and graph visualization Team sharing with role-based permissions Single command setup with npx onlymcp install 32 built-in tools for memory, skills, agents and connections
What makes it different	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	One connection syncs across every MCP-compatible client automatically No AI keys stored; you bring your own client Memory notes with link graph for knowledge management Runs from Switzerland with European hosting
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	8 −14 (down) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	1	0
Citation Flow (Majestic)	26	22
Referring domains (Majestic)	76	11

6 details filled in for both companies.

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