XuanSeal vs Mailbox MCP

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

XuanSeal compared with Mailbox MCP
Detail	XuanSeal	Mailbox MCP
What it does	AI BaZi calculator for Chinese astrology readings, tarot, and numerology	Connect Claude, ChatGPT or any AI to your email mailbox
Stage	Not given	Established
Founded	Not given	2002
Based in	US	GB
Pricing model	Freemium	Freemium
Pricing	Free BaZi chart and basic tools. Paid readings: 2026 Fortune Book $29.99 (one-time), Book of Fate $39.99 (one-time), Compatibility Book $19.99 (one-time), Supporting Tarot readings $4.99 each, XuanSeal Master Annual $99/year (annual subscription).	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.
Key features	Free BaZi chart generation with Four Pillars, Day Master, Ten Gods, and Five Elements balance Compatibility calculator comparing two BaZi charts 78-card Tarot readings with Rider-Waite deck Numerology Life Path, Expression, and Soul Urge calculators 2026 Fortune Book annual timing readings Book of Fate natal life readings Daily Fortune included in Master membership Chinese Astrology Q&A with 60 answered questions per year True solar time correction for birth accuracy Save up to 50 chart archives on Master membership	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
What makes it different	Deterministic chart calculation using verified BaZi algorithms, not random generation AI interprets your specific chart positions, not generic templates Free chart generation with no signup required 7-day peace-of-mind guarantee with free regeneration option	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
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)	11 −1 (down) since last check	37 −1 (down) since last check
Trust Flow (Majestic)	24	34
Citation Flow (Majestic)	41	32
Referring domains (Majestic)	232	61

6 details filled in for both companies.

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