Letting an AI assistant handle messages sounds convenient until a message creates an appointment you never realised you had made.
In an Associated Press report published on 19 October, Toronto creator Matt Robb described allowing Meta’s Muse agent to manage a Facebook Marketplace sale. According to his account, the agent agreed to a pickup and shared his address; a buyer arrived at night without Robb realising the arrangement had been made. The report says he had enabled ongoing permissions and supplied a pickup address.
The useful question is what people understand they are authorising when they ask an agent to handle a task.
A Message Can Become A Real Commitment
There is a meaningful difference between asking an assistant to draft a reply and allowing it to send that reply. Selling an item can involve bargaining, revealing personal information and arranging a meeting, all within what looks like a simple chat.
An instruction such as “help me sell this” leaves several decisions unresolved. Can the agent accept an offer? Is it allowed to disclose a location? Can it promise you will be home? Those decisions deserve separate attention before the assistant starts communicating.
For anyone experimenting with agents, a useful starting point is to keep approval over messages that create a commitment or share something private.
Why Broad Permissions Deserve A Closer Look
Apple has separately warned about apps using Full Disk Access in ways that can expose files, mail, messages and browsing history without people fully understanding the implications. In its 2 October developer notice, Apple said it would introduce additional controls requiring explicit user action for this level of access.
That notice did not identify a release date or name a particular developer. It should not be read as proof that a specific incident involved a vulnerability in macOS.
It does highlight a broader design problem: a permission can be technically authorised while still being poorly understood by the person granting it.
How To Set Limits Before Your Next Task
Write down the decisions you want to keep. For a second-hand sale, that might mean approving the final price, collection time and meeting location yourself. Ask the assistant to prepare replies for review, where that option exists.
Use the least access the task needs. If you are testing an agent for the first time, start with something that does not require your private messages, address or contacts. Review the result before expanding its role.
Clear instructions help, but do not assume a written boundary guarantees perfect behaviour. Check the product’s actual permissions and approval controls as well.
Remember The Other Person In The Conversation
A buyer needs to know whether a collection time is confirmed. A friend needs to know whether a message reflects your decision. Automation can create confusion for people who never chose to use an agent themselves.
Before handing over a conversation, decide which actions need your confirmation and how you will monitor them. That small pause can preserve much of the convenience while keeping control over the decisions that affect your home, schedule and relationships.