Too much on your plate? Claude Duet asks first

👋 Easy read · Oct 21, 2026 · ~7 min read

Jargon jar: an agent is an AI helper that takes steps for you, like drafting a reply, not just chat. Proactive means it comes to you first. A connector links Claude to another app you use, such as Gmail.

A virtual machine is a computer in a data center; Duet gets its own, with its own web browser. A research preview is an early version still being tuned. Usage limits are how much Claude work your plan allows in a stretch of time.

A classifier is an automatic checker that sorts each message, for example into fine to send or too sensitive.

Why people are talking about it

On Oct 21, 2026, Anthropic opened a research preview of Claude Duet, “a new app where Claude works as a proactive agent” (Anthropic: Claude Duet announcement).

Within hours, the Hacker News thread on it reached 284 points and 238 comments (Hacker News discussion: Claude Duet, numbers as of our research).

The buzz is about who starts the conversation. The regular Claude app waits for you to open a chat; Duet is built to come to you (Claude Duet product page and FAQ).

The juggling problem

Picture running a small kitchen while also doing the books and answering the door. Every app on your phone is another pot on the stove. The email you meant to answer, the invoice nobody paid, the meeting that clashes with your flight. None of them shout until they boil over.

Anthropic says it built Duet for “professionals and small business owners with more on their plates than they can track” (Anthropic: Claude Duet announcement). If you have ever opened ten tabs just to work out what needs you today, that is the pain this app goes after.

What Duet makes possible

It tells you what needs you, then goes quiet. Each morning Duet sends a short brief on the most important items across your connected apps. During the day it checks those apps and messages you only when something needs your attention.

You can also tell it what you want to hear about and how often.

It keeps cooking when you leave the kitchen. Duet has a virtual machine with its own browser, so your laptop or phone doesn’t need to stay on.

You describe a task in a short message, it works out which apps and steps to use, and it pings you when the job is done or needs your review.

It already knows your kitchen. Duet carries over your memory, skills and connected apps from your Claude account, so there is little to set up.

You talk to it by typing or voice in one ongoing thread, so a quick reply and a weeklong project start in the same place (Anthropic: Claude Duet announcement).

Under the hood it runs on Claude Opus 5.5, and you can’t pick a different model during the preview (Claude Help Center: get started with Claude Duet).

How testers are using it

These stories come from Anthropic’s announcement, which quotes early-access testers. They are Anthropic’s picks, not independent reviews.

• The calendar catch. Jess Provencher, broker and owner at Pro Homes, gets a rundown from Duet each morning. One day, without being asked, it flagged a property showing that was on her calendar for the wrong day.
• Fewer tabs for a multi-store business. Amin Ebrahimi owns Shahs of Kabob, with about 110 employees. He has used Duet for accounting, customer support and marketing, and worked through his invoices store by store. “I don’t need to open up 100 tabs,” he said.
• The meeting before the flight. Brand strategist Mya Dalton had a call coming up with a potential client. Duet saw it on her calendar, prepared a brief, noticed the call fell right before her flight and offered to move it.

Anthropic staff use it too, per the same post. Boris Cherny, who leads the Claude Code team, talks through his mental to-do list with Duet on walks.

Chelsea Larsson hands it her to-do list before leaving to be with her kids, and it saves the results for an evening report (Anthropic: Claude Duet announcement).

“[This is] exactly the kind of thing I want caught without having to ask.” Jess Provencher, Pro Homes, quoted by Anthropic

A week of chores it can take on

Duet can use the more than 6,000 connectors and plugins in the Claude Marketplace. Here is how the jobs Anthropic lists line up with everyday headaches (Anthropic: Claude Duet announcement):

It can also buy things for your business with Link, Stripe’s digital wallet. You approve the spend, and it pays with a virtual card so your real card number isn’t shared. Bigger jobs are on the menu too, like dashboards, sales forecasts and web apps.

Where it stops and asks

Duet reads, drafts and prepares work on its own. But before it sends a message, makes a payment, signs a document or deletes anything, it shows you exactly what it is about to do and waits for your approval.

Some things are off-limits even with your OK, such as trading securities or moving money between accounts, and you can disconnect any app it has access to.

It also never directly sees your passwords or sign-in tokens. A new classifier checks each message and is designed to refuse sharing things like credit card numbers and government ID, while health or personal finance details go out only when you have explicitly told Duet to send them.

What it can’t do yet

This is an early version, and Anthropic is upfront about the rough edges (Claude Help Center: get started with Claude Duet):

• It may misread a thread or misjudge what needs you first, so review drafts and approval requests before you confirm.
• It checks your accounts every few hours, so something pressing can land between checks (Anthropic: Claude Duet announcement).
• You can’t watch it work in its browser, and it doesn’t make phone calls or send texts to other people.
• Personal errands, such as booking tickets, aren’t as strong as work tasks yet, per the same announcement.
• Microsoft 365 isn’t available yet, and some connectors, such as Slack, work with limits.

It also eats into your plan. Duet shares your usage limits with the rest of Claude, its background checks count, and big jobs like a financial model or a deck take more work.

How to get in

You need a Claude Pro or Max plan and an invitation from the waitlist. Join from the Claude Duet product page and FAQ, using the same email as your Claude account, because access is tied to that address.

Invitations go out in waves and the preview is open in one region for now. Team and Enterprise plans aren’t included yet (Claude Help Center: get started with Claude Duet).

Once you are in, Duet is a standalone app for iOS and Android, and on a computer you can open it at claude.ai.

Chef’s pick: while you wait for your invite, list the three chores that eat your week, like chasing invoices. Those are the first jobs to hand Duet, and you still get the final say.