A YouTuber who stated his Muse AI agent gave out his residence location without his approval has got to the base of what happened — and it comes downward to clicking one button.
Matt Robb stated in a Tuesday update on X that he had selected an "Allow Always" choice whenever he archetypal asked Meta's AI agent to market his device keyboard on Facebook Marketplace, believing it would motionless search his endorsement before accepting offers.
"It didn't, so be careful," Robb wrote.
Instead, Robb said, the environment allowed Muse to dispatch messages on his behalf using a template containing the pickup location he had earlier supplied. A Marketplace buyer afterward showed up at his construction following Muse accepted a $600 recommendation and exchanged messages alongside him without Robb's knowledge, he said.
"I didn't think it would dispatch it out to everyone that gave me an offer," Robb wrote. "It's value checking."
Robb stated he said alongside Meta's Muse team, which reviewed the logs alongside him and stated it would create the approval immediate clearer to evade any misunderstanding.
In a answer to Robb's Tuesday post, David Singleton, a Meta Superintelligence Labs staffer, stated that Meta had confirmed there was "no breach of privacy controls."
"We value the chance to study from your cognition alongside Muse and keep making it improved for everyone!" Singleton added.
'Double-check what permissions AI has in your life'
The event is an example of the growing pains facing the buzzy yet nascent individual AI delegate market.
Tools akin Muse and Instinct commitment to publish trips, sift through inboxes, and complete online errands on behalf of the user. However, there's a tradeoff: they necessitate admission to accounts, payments, messages, and individual information.
Early users are motionless operating out what permissions to grant and how closely to supervise agents, amid reports of unintended actions, hallucinations, and safety concerns.
Over the weekend, Robb stated in a viral article that Muse had accepted a lowball recommendation for a keyboard, shared his address, and communicated alongside the buyer whenever he arrived at Robb's construction — all without his knowledge.
— Matt Robb (@MattRobbt) September 27, 2026So muse handled my Facebook market today. Just established out it told group my location and accepted a lowball cost and afterward they showed up without it equal telling me until delayed tonight that it messed up.
Absolutely wild. pic.twitter.com/F3ZhEO4unM
In Tuesday's update, Robb stated Meta additionally told him that a distinct display error had made a $600 recommendation appear to have been accepted, equal although he had set a minimum cost of $700.
The glitch removed the "7" from the communication displayed to the buyer, he said, making Muse's reply — "Sounds good, 00 it is!" — appear to verify the lesser price.
Singleton stated in his answer that Meta had fixed the "00" price-display issue.
Robb suggested that Meta add a "Sent By Muse" tag below all agent-generated communication so recipients can differentiate AI-generated messages from those sent by a human.
"There was really no way of knowing who sent what in the chat, which is extremely concerning," he wrote.
Robb stated he and the buyer resolved the mix-up, and the buyer afterward came by to acquisition another item.
His takeaway for another first adopters: "Take attention everyone, and double-check what permissions AI has in your life."
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Thibault is a tech newsman at Business Insider's London office.He covers the intersection of innovation and activity — focusing on AI’s effect on the workplace, job and cognitive skills, and how financial changes are affecting careers.Before moving to the trending team, Thibault covered global affairs, including the Russia-Ukraine war, tensions in the South China Sea, and Russia’s economics on the news desk.He has earlier worked at the Daily Express and held internships at Agence France-Presse, Politico Europe, and Factal.Il parle français. Habla español.Email Thibault at [email protected], nexus alongside him on LinkedIn @ThibaultSpirlet, or prosecute him on X @ThibaultSpirlet and BlueSky @thibaultspirlet.bsky.social.Expertise
- AI and the forthcoming of work
- Job and cognitive skills in the AI economy
- Workforce trends
- First-person, "as-told-to" stories