Unsubscribing from unwanted newsletters

Claude Cowork, connected to Gmail, unsubscribed the author from unwanted email newsletters using a custom JavaScript function and can flag re-appearing senders as spam.

Resultrc_NBB2AYC1

Claude unsubscribed the author from 21 newsletters in five minutes.

NumbersBlog · Jul 8 · Last checked Oct 13, 2026

Overview

How it was set up

Claude Cowork on a Claude Pro plan ($20 a month) with the Gmail connector, run inside a Cowork project called Morning Gmail triage.

Worth knowing

Requires a paid Claude subscription. Some newsletters re-appear after unsubscribing and need to be tracked and marked as spam.

A prompt to start from

The source does not show the prompt.

Sources 1

Originalpcworld.com/article/3185314/i-was-buried-in-email-newsletters-heres-how-claude-rescued-me.html

History

Source published: 2026-07-08
Added to Agentic Feats: 2026-10-13
Pick: No
Markdown copy: /c/unsubscribing-from-unwanted-newsletters-claude-cowork.md

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