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Comet to unsubscribe from selected Gmail messages

Roger Wong tested whether Perplexity Comet could unsubscribe from newsletters directly inside his existing Gmail session. He selected three messages and asked the browser assistant to unsubscribe from the checked emails. Comet then took control of the page, opened the first message and followed its unsubscribe link before moving through the remaining selections.

FROM THE SOURCE

Original prompt

Shared by the source author. See source notes for context.

unsubscribe from the checked emails.

What happened

Two of three selected subscriptions were removed; the remaining form attempt failed, and the author says manual work would have been quicker.

Reported by Roger Wong

How the agent did it

  1. Select the unwanted messages in the existing Gmail session.
  2. Ask Comet to follow each unsubscribe route from the selection.
  3. Check which subscriptions actually succeeded and finish failed forms separately.

Where a person stepped in

Wong watched the approximately two-minute run and could stop it; one email-address form failed.

Roger Wong tested whether Perplexity Comet could unsubscribe from newsletters directly inside his existing Gmail session. He selected three messages and asked the browser assistant to unsubscribe from the checked emails. Comet then took control of the page, opened the first message and followed its unsubscribe link before moving through the remaining selections.

The test encountered a useful state-management problem. Gmail no longer retained the checked-message state after an individual email was opened. Comet remembered the three subject lines and used them to continue the work rather than abandoning the task when the visible selection disappeared.

Two unsubscribe attempts succeeded. The second message led to a form where the agent had difficulty entering the correct email address, so that attempt failed. The account gives no evidence that this third subscription was later removed.

Wong watched the browser work for about two minutes. A teal border indicated agent control, and a stop button was available throughout. He explicitly says doing the three clicks manually would have been quicker in this small test. The concrete lesson is therefore the ability to carry a selection across changing page state, together with a form-filling limit. It is a partly successful browser delegation, with an observed result for each selected message.

Prompt
Original prompt

Source: rogerwong.me · Roger Wong

Frequently asked questions

How did it keep track after opening a message?

It remembered the three subject lines when Gmail's checked-message state disappeared.

Why did one unsubscribe fail?

The agent had difficulty filling the correct email address into that unsubscribe form.

Was the small test faster than manual work?

No. Wong watched about two minutes and says he could have handled the three messages more quickly himself.

More details

About this account

Comet controlled Gmail, remembered selected subject lines and followed unsubscribe links across separate messages.

Firsthand source opened and read. Prompt is a verbatim excerpt of the published original instruction.

Credit: Roger Wong

Source published 21 Jul 2025

Source checked 14 Oct 2026

Tools and topics

Perplexity Comet · Gmail · Unsubscribe forms

Email unsubscribe · Gmail selection · Browser control

Editorial completeness: 100/100. Measures documented fields, not agent performance or verified outcomes.