An AI that actuallyreads your inbox.
Connect every work inbox. Email OS reads and summarizes your mail, surfaces what matters in a daily brief, remembers the people you talk to, and drafts replies in your voice — you stay in control.
Wants Q3 pricing confirmed before Friday.
Asked for your feedback on the new deck.
Illustrative preview · your real brief appears after you connect an inbox
Inbox zero, without the busywork
No new habits. Your mail keeps flowing — AI just does the reading, sorting, and drafting.
Connect every inbox
Gmail, Outlook, your work email, QQ, 163, or any custom IMAP — all in one place, read-only first.
AI reads & filters
A daily Today Brief, priority ranking, thread summaries, and growing memory of the people you email.
Drafts ready, you approve
AI writes replies in your voice. Approve with one tap — or set optional safe rules for the routine stuff.
Bring every inbox
Personal, work, or self-hosted — one calm home for all of them.
Gmail
- Guided app-password setup now
- Labels & threads synced where IMAP allows
- Google OAuth is next
Outlook
- Microsoft OAuth is next
- IMAP only for tenants that still allow it
- Priority triage from mail threads
QQ · 163 · IMAP
- QQ Mail, NetEase 163, Tencent Exmail
- Any company or custom IMAP server
- Authorization code or TLS
One calm screen for every inbox
Today Brief, a priority inbox, and draft replies ready for your review — together at last.
Two contracts need you today, the design feedback is overdue, and Stripe receipts were filed automatically. Nothing urgent is buried.
Re: Q3 supply contract
Feedback on the deck
Invoice #4821 paid
Hi team — confirming we can hold the Q3 pricing through August. I've attached the updated SLA and can hop on a call Thursday.
Illustrative example. Your dashboard fills with real data after your first sync.
Everything your inbox should already do
A quiet assistant that reads, remembers, and drafts — built around your day.
Today Brief
Start each day with one short summary of what landed across every inbox — and what needs you.
Priority filtering
AI ranks the important from the noise, so the messages that matter rise to the top automatically.
People & company memory
Email OS quietly remembers who you talk to and the context of every relationship over time.
Draft replies in your voice
Replies are written from thread history and your tone. Read, tweak, and approve in seconds.
Unsubscribe assistant
Spot the newsletters and senders filling your inbox, and clean them out in a couple of taps.
Optional safe rules
Let AI auto-handle the routine stuff on rules you set. Off by default — you decide what it can do.
Your inbox, in your pocket
Get your Today Brief and a push the moment a reply is drafted. Read the AI summary, review the draft, and decide what happens next — all from your phone.
- Install as a PWA — no app store
- Push notifications for priority threads
- One-tap approve, snooze, or edit
Confirming we can hold Q3 pricing through August. Updated SLA attached — ready to stage the contract reply for signature.
Advanced, when you want it
Email OS works out of the box. These extras stay out of your way until you opt in.
Bring your own agent
Point your own stack — like XiaoJian — at your mailbox over API, CLI, or MCP. You own the brain, Email OS owns the rails.
Read the agent docsCampaigns & Safe Send
For power users: verified-source outreach, batch campaigns, and Safe Send approval gates. Tucked away until you need it.
Open outreach toolsLet AI run your inbox
Connect your inboxes and wake up to a clear brief, sorted mail, and drafts ready to send. Set up in minutes.
No credit card · Revoke access anytime