Connect Claude, ChatGPT or any AI to your email mailbox
Enterprise AI agents that resolve customer calls the first time
Stage
Established
Established
Founded
2002
2017
Based in
GB
US
Pricing model
Freemium
Contact for pricing
Pricing
Free: 5 calls per mailbox per day, no card required. Pro: £34.99 per mailbox per year plus VAT (£2.92 monthly equivalent). Team Access: Team 3 at £119.99 per year plus VAT, Team 5 at £199.99 per year plus VAT, Team 10 at £399.99 per year plus VAT per account.
Not given
Key features
Read email without marking as read
Read attachments: PDFs, spreadsheets, photos
Reply in thread with proper headers
Send as any of your email aliases
Email routines on a schedule
Permission levels per connection
Works with Gmail, Outlook and IMAP
Conversation automation across voice, chat, and SMS
AI agents learn from best practices of existing agents
Deterministic guardrails prevent hallucinations
Conversation intelligence and analytics on 100% of calls
Greater than 99.95% uptime with redundancy
100s of pre-built system integrations
Natural-language editing for self-service agent management
Live deployment in weeks not months
Enterprise security and compliance controls
What makes it different
Leaves mailbox completely untouched—no duplicate sent items, no marked-as-read flags, threading preserved
Works with any MCP-compatible AI—not limited to Claude or ChatGPT
Attachments never encoded—up to 20 MB, four ways to attach without passing through AI
Email routines run automatically on schedule without manual prompts
Resolves 50% of payment-related calls without human agents
Production-ready AI built from enterprise expertise, not trial-and-error
AI agents stay on-script and follow business processes 100% of the time
Delivery expertise with seasoned AI professionals embedded in your team
Learns continuously from every conversation to improve performance
Mailbox MCP
Replicant