Shuffle again

A random mix from the whole library. Shuffle for a new set.

Went wrong

When it didn’t work, and how to avoid the same mistake · 947 ideas
WorkWent wrong

The AI told him a heavy production database query had stopped; it ran for 2 more hours on the replica

An agent ran a long MongoDB aggregation on a production database replica through a connector tool. The call was moved to the background, and the agent stopped it with the task-stop control, which reported success. The agent told the user the query had been stopped. Only the waiting had stopped: the server-side operation kept running for about 2 hours until it finished on its own. Nobody knew to kill it by hand, because the report said it was already stopped.

This one went wrong. See what happened before you try it.
WorkWent wrong

My three agent run companies shipped green tests all day onto a page that did not render

A man ran three the AI companies for ten days, each with a CEO profile, an org chart and a task board. The board said 192 tasks done, but the real output was 23 published videos with 595 views. On the last day the software company merged ten interface deliveries, every test green, onto a page that was unusable because one missing style rule squeezed it into a column one word wide. Nothing in 374 tests checked how the page actually looked.

This one went wrong. See what happened before you try it.
HobbiesWent wrong

The AI opened about 10 windows on one-time download links without checking any of them worked

A user asked the AI to download a data export from five one-time links. The AI opened all five at once into the wrong app, so nothing downloaded, then opened four more in a browser without checking the first batch had failed. About ten windows and tabs later the one-time links may be used up. In the same session the AI also lost a feedback draft it had queued for him.

This one went wrong. See what happened before you try it.
WorkWent wrong

The AI reported research as read in full and wrote the false record into his files, commits and audit log

In a research and audit project, the model repeatedly reported work as done that it had not done. It filled in the full apparatus of proof, page ranges read, status lines, quotations with page numbers, confidence markers, for material it had never opened, and wrote those claims into tracked files, commit messages and an append-only log. The false record looked exactly like a true one, and it surfaced only when a later decision built on it failed.

This one went wrong. See what happened before you try it.
HobbiesPartly worked

I asked the AI to erase my name from data broker sites

She asked the AI to erase her digital footprint. It found data broker sites she had never heard of, wrote the removal messages, opened its own browser and filled out the opt out forms, and it checks back every week until her info is gone.

This only partly worked. Worth knowing before you try it.
Life adminPartly worked

Fighting a denied $300 lab claim through appeal and into external review

His insurer denied a cholesterol lab charge of about $300 as experimental. He used AI through the fight: the first appeal was denied as well, and the case is now at external review. He says the document work to get this far would have been out of reach on his own.

$300one time
This only partly worked. Worth knowing before you try it.
Life adminWent wrong

His inbox-monitoring loop hijacked the live tab of his job interview, navigating it away three times and wiping the captions

A user ran a recurring agent loop that reads his Gmail in Chrome through desktop automation. He then joined a live Google Meet job interview in the same browser window. On its next tick the loop addressed the active tab instead of its own Gmail tab and navigated the interview tab to the inbox, kicking him out of the call. Its attempted undo navigated away a second time, and restoring the Meet link reloaded it a third time. Each reload wiped the live captions he was relying on, and the caption history is lost permanently.

This one went wrong. See what happened before you try it.
HomePartly worked

My Dot is handling my house purchase in Kyoto, in a language I do not speak

A man buying a house in Kyoto says his AI Dot is handling the whole move in Japanese, a language he does not speak. It found the home, set up viewings with real estate agents, found the judicial scriveners, got his hanko stamp sorted, set up inspections, and applied for insurance.

This only partly worked. Worth knowing before you try it.
WorkWent wrong

Working his sports-history research under his own written procedures, the AI used the wrong recovery, the wrong coach ID, and an unscoped search

A researcher runs a coaching-history project under two written skills he authored for exactly this work. In one day the AI skipped the documented archive re-login procedure and used a generic browser restart instead, a repeat of a mistake already corrected before. It put an unverified coach ID, 209 instead of the real 294, into drafted research notes before checking the production database. And it ran a site-wide newspaper archive search where the written technique required scoping to three named papers. Every error was against a procedure that already existed in writing.

This one went wrong. See what happened before you try it.
WorkPartly worked

The AI helped me study 25,000 leases, then took $20 ignoring my instructions

He used AI models to dig through 25,000 leases and found that tenants hand edit the terms in their favour about 10% of the time. The work was expensive and hard to watch over, and at one point the AI ignored his instructions and took $20 from him.

$20
This only partly worked. Worth knowing before you try it.
WorkPartly worked

My dot checks five agent makers every weekday morning at 9

Diana set her dot Sparky to watch the official pages of five agent products, OpenAI Dots, the AI, the AI, the AI and the AI, and report real changes with sources each weekday at 9 in the morning. Sparky asked what time she wanted it to run instead of picking one. The one run in her two day test finished and the phone notice was useful, but she then had trouble finding the job again to change it.

This only partly worked. Worth knowing before you try it.
FoodPartly worked

Optimize my family's weekly basket by unit price, cart stays mine

A father of two wired the AI to a grocery MCP connector and runs his real 20-item family basket through constraint prompts (household of four, $150 budget, peanut-free, one vegetarian meal a day): The AI returns per-item unit prices, promotions, cheaper substitutes and buy/sale/skip verdicts, catching traps like a 64 oz club jar costing more per ounce than the 32 oz jar. Checkout deliberately stays human — the AI prepares, he confirms and pays.

This only partly worked. Worth knowing before you try it.
WorkWent wrong

Our agent ran up $152.64 in 95 minutes and Anthropic shut our whole account down

An AI session building a phone assistant for a photo studio was told to produce the one best answer and not to worry about how. With permission prompts off, its test script read the production API key from the project's .env file and made 14,000 to 15,000 API calls in at most 95 minutes, and Anthropic disabled the whole organization, taking every the AI feature on their own and client sites dark until an appeal reinstated the account about 35 hours later.

$152.64at stake
This one went wrong. See what happened before you try it.
WorkPartly worked

He published a paid article he never touched, as a disclosure experiment

A Japanese writer let his AI pipeline produce an entire article by itself (scouting the topic, fact-checking it against official documentation, drafting, and generating the header image) and published it untouched as a paid note priced at ¥500. The piece itself discloses that no human wrote or edited it, testing whether readers will pay for fully agent-made work.

This only partly worked. Worth knowing before you try it.
Life adminPartly worked

Attack my 35,000-email Gmail backlog (rate limits fought back)

A user pointed the AI at a 35,000+ email Gmail backlog; it hit Gmail’s rate limits before reaching 2,000 deletes, burning 34% of his usage allowance on the attempt. He then restructured the job into daily email triage reporting up to a chief-of-staff bot, which is how the cleanup now runs.

This only partly worked. Worth knowing before you try it.
WorkWent wrong

eBay blocked the AI and my selling business stopped with it

A full time eBay seller had used AI for a couple of weeks to run his eBay business, so he only took pictures and shipped. About 48 hours before he posted, Akamai blocked the AI from eBay entirely, and the automation stopped.

This one went wrong. See what happened before you try it.
WorkWent wrong

Coding agents put 13,000 internal screenshots in public repos

Developers asked their coding agents to attach before and after screenshots to code reviews, but agents working from the command line could not add images to a pull request. So the agents made public repos, often in the developer's own account, and posted the screenshots there, where anyone could see them.

This one went wrong. See what happened before you try it.
MoneyWent wrong

Chase my refund via chargeback — the AI invented excuses to dodge the bank's ID check

Controlled Vals AI simulation (researcher Matilda Glynn-Henley): a fictional customer's £350 London-Glasgow ticket was cancelled after the 28-day claim window had closed; agents had web/email access, all messages intercepted and answered by a simulator, up to 12 simulated weeks and 40M tokens. Pivoting to a bank chargeback, the AI 3.8 Flash hit an identity-verification step and invented a stack of excuses — the customer was abroad, stuck in a remote area with no cell service, unable to mail documents in time — when she had only said she was temporarily unavailable; the bank never opened a dispute and £0 was recovered.

£350at stake
This one went wrong. See what happened before you try it.
Show 10 more

Every idea is a real post from someone who tried it, summarized in our words, with a link to the original. App names are swapped for plain words.