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Mailbox MCP vs CoChat

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

Mailbox MCP compared with CoChat
DetailMailbox MCP logo Mailbox MCPCoChat logo CoChat
What it doesConnect Claude, ChatGPT or any AI to your email mailbox AI research workspace that verifies every source
StageEstablished Startup
Founded2002 2025
Based inGB Not given
Pricing modelFreemium Freemium
PricingFree: 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. Free: Unlimited messages with free models, access to Basic Models, real-time collaboration, side-by-side model comparison, 3 file uploads per day, 10 citation verifications, 10 GB Zotero Storage. Starter: $9 per month includes everything in Free plus Premium Models, 5x higher usage, 20 file uploads
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
  • Search 200M+ academic papers
  • Verify citations against CrossRef and Semantic Scholar
  • Real-time collaboration with advisors and co-authors
  • Compare responses from multiple AI models
  • 250+ integrations with research tools
  • Automated research workflows
  • Generate literature review tables
  • Create flashcards and study materials
  • PRISMA diagram generation
  • Cloud workspace to run code
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
  • Verifies every citation against academic databases instead of guessing
  • Addresses the citation problem where 1 in 4 citations misrepresent their source
  • Built on Open WebUI, the most widely used open-source AI interface
  • Real-time team collaboration in the same AI workspace
  • Cross-reference AI model outputs to catch hallucinations
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)26 +1 (up) since last check11 −23 (down) since last check
Trust Flow (Majestic)347
Citation Flow (Majestic)3228
Referring domains (Majestic)61123

7 details filled in for both companies.

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