Guide
Meta Muse problems: what users report going wrong
This page gathers Meta Muse problems that users described in their own public posts, grouped by what went wrong. The site has no connection to Meta, and we haven't reproduced any of these failures. For each report you get the original post, what it doesn't show, and a few checks of our own that make the same mistake easier to catch. A list like this shows where people got caught out; it can't tell you how often Muse fails. Checked against the linked posts as of 16 October 2026.
Checked against the official pages listed at the end, 2026-10-22. Muse Task Hub is an independent guide, not Muse.
Meta Muse problems at a glance
The reports that worry us most are the ones where Muse said something was true and it wasn't: alarms it called verified that never reached the phone, and a tax ID number one user says it simply made up. Close behind are posts about a long-running agent drifting onto stale notes, bookings that needed phone calls to untangle, a test page that went live unfinished, and a user who says Muse kept reading email bodies after being told not to.
Privacy questions get only a short mention here. Meta's training default, the disputed Messages report and the Marketplace address case are covered in our Meta Muse review.
How we collected these
We searched public posts on X for people describing their own use of Muse, Meta's personal agent, and kept posts that say what was asked and what happened. Nine posts made the cut, published between 14 September and 16 October 2026. Retellings of someone else's experience were left out, and so were posts about other products called Muse.
It's a small sample, and a lopsided one: people tend to post when something breaks. So it says nothing about failure rates, and we haven't checked any account against Meta's records. When a post offers a cause, we name whose explanation it is; when it doesn't, we say the cause is unknown. We found no public response from Meta to the specific reports on this page.
Saying it did something it didn't, or inventing an answer
@Rabbitx369 posted on 16 October: "My Muse assistant told me my break alarms were cancelled and verified. Nothing had been sent to my phone." They knew, they say, because no command ever showed in their app, and they put it bluntly: "An assistant's notes are not actions." The post doesn't name the alarm app or say whether Muse fixed it afterwards.
@ChrisTwiggsPM asked Muse on 15 September to search a text thread for an EIN they needed. It searched, they say, "and then completely just made up a random EIN number". The screenshot they attached wasn't captured, and the post doesn't say whether the real number was in the thread or how they spotted the fake one.
Why it happens: neither post gives a cause, and Meta hasn't commented on either one that we could find.
- Our suggestion: when Muse says it set, cancelled or sent something, check the app where that change should show up before you count it as done.
- Our suggestion: for numbers that matter (an EIN, an account number, a confirmation code), ask it to quote the message the number came from, with the sender and date, then look at that message yourself.
- Our suggestion: if it can't find something, ask it to say so. A plain "not found" is more useful than a guess.
Memory that drifts or goes stale
The longest report comes from @JJEnglert, posted on 14 October after 29 days of running Muse on calendars, travel, files, messages and dozens of background jobs. Over time, they write, it started to feel like "a very capable stranger." It sent briefings from stale notes, and "One morning it reminded me about a meeting that had already been canceled". They had Muse audit itself, and report that the notes were intact but the conversation had been compacted 23 times, with a model switch along the way. After setting rules to verify live, check the source and grade itself nightly, they say it felt better, though they still had to say "no, that's yesterday's plan" once or twice.
@morgantate_ posted on 12 October that Muse spotted they had to bring sandwiches to a speaking event but "didn't see that a team member already has it handled", then sent four follow-up messages and a list of backup places to stop on the way. They tell it as a joke. It's still the same kind of miss: the agent acted on part of the picture.
@ahatzz11 was syncing Muse's memory to Notion when it hit a wall; on 6 October they wrote that Muse now said it was "not a hard block but a rate limit", adding, "He's not always the brightest." They think deduplication gets harder as memories grow, and say Muse decided on its own to make a local copy of their whole Notion memory database, which "totally defeats the purpose here." The post doesn't show the prompt, the error or which service imposed the limit.
Why it happens: the compaction and model-switch explanation is the author's reading of Muse's self-audit, not something Meta has confirmed, and the post doesn't prove either one caused the drift. The other two posts give no cause.
- Our suggestion: ask Muse to check the live calendar, not its notes, before any briefing or reminder about a meeting.
- Our suggestion: when someone else takes over a job, tell Muse directly so it stops chasing it.
- Our suggestion: give it a short list of corrections to review on a schedule. Set up a feedback loop for your agent walks through one way to do that.
- Our suggestion: before you let it sync memory to another service, ask where any copies will be stored and tell it not to create new ones without asking.
Bookings and launches that needed cleaning up
@benkeighran posted on 25 September about their first real job for Muse: two dinners and two lunches for a trip on a tight schedule. They write, "It successfully booked one restaurant, but got the others wrong. I had to call places myself to fix things." They found it clumsy to untangle several reservations in one thread and finished the job in ChatGPT. Their summary: "The assistant that was supposed to save me work had created more of it." The post doesn't name the restaurants or say what was wrong with each booking.
@ads4apps had Muse build a whole site for an ad test and posted on 19 September: "$150 spent", "$0 made", after what they call a "MASSIVE mistake". They add, "I told it to draft a new test and it never finished the test and made the test live". The mistake itself isn't described, and the figures are the author's.
Why it happens: unknown. Neither post gives a cause.
- Our suggestion: book one reservation at a time and confirm each in the restaurant's own system before asking for the next. Book daily dining reservations for a trip shows how one user set this up.
- Our suggestion: tell Muse in plain words that nothing goes live, gets published or starts spending money until you've looked at it and said yes.
- Our suggestion: for ad tests, start with a small daily cap and check the live page yourself before the first dollar goes out.
Rules about your data that it didn't keep
@Buccatini says Muse read their email without being asked, so they set a hard rule: "only read subjects, NEVER the body of the email." Then, on 7 October, they wrote that "4 more times it provided me information based on the bodies of emails that couldn’t possibly be inferred". The examples sat in an image we couldn't capture, and the judgment that subjects couldn't explain the answers is theirs.
@benkeighran saw something related from the other side. Muse asked for email and calendar access for their bookings; they declined on security grounds, and it agreed this was a "massive security concern" and carried on without. They asked why it requested the access at all.
Why it happens: unknown. A rule you type into a chat may not work the same way as a permission you switch off, but neither post shows how Muse handled the rule.
- Our suggestion: if you don't want Muse in your email, don't connect it. A chat instruction is weaker than a missing connection.
- Our suggestion: test a rule. Ask about something that only appears in an email body and see whether it answers.
- Our suggestion: keep logins out of chat. Store account credentials for your agent covers a tidier setup.
Advice that made things worse
@DiamondEyesFox posted on 14 September that they were trying to recover a Facebook account from 2009, disabled in 2023, and paid for what they describe as the top Meta Verified tier to reach a human. They used Muse to tell them what to say. By their account, "the wording made the human support agent route me to legal, disable the chat from speaking to a human", Meta's support AI told them to open another chat, and when they did, they were banned from contacting support for two weeks. The post doesn't show the wording or the support replies, so the link between Muse's script and the outcome is the author's reading.
- Our suggestion: read a drafted message to support before you send it, and cut anything that sounds like a legal threat unless you mean one.
- Our suggestion: for account recovery, keep each reply short and factual, and follow the platform's own steps rather than a script.
Low-stakes tasks to test it on first
Questions about Meta Muse problems
Why is Meta Muse not working properly?
We can't diagnose your account. In the posts we collected, the trouble fell into a few patterns: confirmations that didn't match reality, an invented number, memory going stale over weeks of use, bookings that needed fixing by phone, and rules about email it didn't follow. Check whether what it says it did actually shows up in the other app.
Can Meta Muse make things up?
One user says Muse searched a text thread for an EIN and then made up a random one. Another says it called alarms verified that never reached their phone. We haven't reproduced either. Ask it to show the source message for any number you'll rely on.
Why does Muse forget things or use old information?
One heavy user says that after 29 days it sent briefings from stale notes and reminded them of a cancelled meeting. Muse's self-audit pointed to repeated compaction and a model switch, but that's the user's account, and Meta hasn't confirmed a cause. Asking it to check the live calendar and source helped them.
Does Muse follow rules you give it about your email?
Not reliably, by one user's account: after being told to read only subject lines, it gave answers drawn from email bodies four more times, they say. If you don't want it in your mail, leave email unconnected.
Are these Meta Muse problems common?
We can't tell. These are a handful of public posts, mostly from people who had a bad day with it, and none were tested by us. They show what can go wrong, not how often.
What should I do if Muse makes a mistake?
Sort out the real-world part first: call the restaurant, fix the page, set the alarm yourself. Then tell Muse exactly what went wrong and ask it to confirm future actions with a link or screenshot from the other app.
Sources
- @Rabbitx369 on X — Muse said break alarms were cancelled and verified; nothing reached the phone; 2026-10-16; first-hand post, not reproduced
- @JJEnglert on X — stale briefings and memory drift after 29 days of heavy use; 2026-10-14; first-hand post, not reproduced
- @morgantate_ on X — four follow-ups about sandwiches a teammate already had covered; 2026-10-12; first-hand post, not reproduced
- @Buccatini on X — answers drawn from email bodies despite a subjects-only rule; 2026-10-07; first-hand post, not reproduced
- @ahatzz11 on X — Notion memory sync hit a rate limit; Muse made a local copy of the database; 2026-10-06; first-hand post, not reproduced
- @benkeighran on X — booked one restaurant of a trip's meals correctly; the rest fixed by phone; 2026-09-25; first-hand post, not reproduced
- @ads4apps on X — site mistake and an unfinished test made live during an ad test; 2026-09-19; first-hand post, not reproduced
- @ChrisTwiggsPM on X — made up an EIN after searching a text thread; 2026-09-15; first-hand post, not reproduced
- @DiamondEyesFox on X — support wording drafted with Muse led to a legal referral and a two-week support ban; 2026-09-14; first-hand post, not reproduced
- @ai_ae_fan on X — called a repeat sandwich order the first ever, argued a wrong stroke count over 3 objections, forgot the night's plans; 2026-10-17; first-hand post, not reproduced
- @Hadometa on X — paying subscriber stuck on the "muse is disconnected" screen for 2 days despite support tickets; 2026-10-18; first-hand post, not reproduced
- @OyetokeT on X — flight cancelled through Muse; refund stuck with provider Duffel, which has no customer contact; 2026-10-18; first-hand post, not reproduced
- @iBeShipping on X — says Muse got their Digital Ocean account banned; no details given; 2026-10-18; first-hand post, not reproduced