Nº 282 · Use cases with prompts
What people are doing with AI, from Brazil and the world
🇧🇷 Brazil spotlight 116 cases from here · the rest come from 23 other countries
Real accounts from Brazil and the world, from a teacher in Minas Gerais to a lawyer in London: what they did, how it went and a ready-to-adapt prompt. Every case links to the original source. No invented numbers.
- Cases
- 282
- 🇧🇷 From Brazil
- 116
- Countries
- 24
- Professions
- 97
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01Claude doubled the speed of a home Wi-Fi network
A user asked for help with slow internet; the agent ran tests, read the Mac's signal data and walked them through the router settings.
02Product manager turns scattered notes into a priority list
Ron Forbes dumps meeting notes into a folder and Claude Code returns summaries and tasks sorted by priority.
03A table at a hard-to-book restaurant without refreshing the website
The user asked the concierge to watch for an opening at Don Angie; the agent booked it as soon as one appeared.
04SEO research for a road trip website, done through Telegram
Dheeraj Sharma uploaded his context files and asked for a knowledge base and a content brief.
05Frenchman finally cancels seven subscriptions he had been putting off
The agent didn't just make a list: it canceled and closed the accounts for seven services.
06Reserving public library books with an agent
Eleanor Konik asks for chess books for her son and the agent places holds on the titles through the library website.
07Forgotten money at old addresses in two countries
A user gave the agent a list of places they had lived; it found an extra US$ 500 plus funds in the US.
08Daily newsletters become a podcast at 5 a.m.
The agent reads the newsletters under a label, skips the weak ones, summarizes the rest and generates audio with a local voice.
09Check engine light on: agent bought the scanner and found the fault
A driver told the agent about the dashboard light; it ordered an OBD2 reader, read the code and cleared the alert.
10Agent cleans up the finances and finds errors in the tax return
The bot downloaded hundreds of statements, compared the tax return with the IRS records and found duplicate charges.
11One week to find an apartment in San Francisco
A new hire used Claude and ChatGPT to list property managers and filter listings by price and area.
12Private chef and ski trip arranged during a dog walk
Paul Metcalfe gives spoken instructions and ChatGPT requests quotes, reads replies and summarizes the options.
13Agents search for new magnetic materials
A team of agents ran simulations and found candidates for room-temperature magnetic semiconductors.
14Disputing a denied flight delay compensation claim
The agent checked the flight data, concluded the airline's excuse didn't hold up under European rules and drafted the appeal.
15Nightly summary of the kids' school emails
An agent template reads the school emails and tells you each night what to send, wear, sign or pay.
16Personalized emails to recruiters from a spreadsheet
Pratyush uploaded a contact spreadsheet and his resume; the agent wrote one email per role and left them as drafts in Gmail.
17A colleague's birthday planned with an agent
The agent gathered stories from coworkers, built the schedule, booked dinner and ordered the cake, with approval at every step.
18Agent rebooks the connection while the passenger is still in the air
With the flight delayed, the agent talked to three airlines at once and got a new route at no cost.
19Income statement for each rental property
The agent logs into the management software and builds the profit and loss for each property.
20The GP form they kept putting off
A London user asked the agent to fill out a long form from their family doctor.
21Unexplained fatigue: agent suggested tests and specialists
Noah described his symptoms; the agent listed blood tests and doctors, and he booked everything.
22Disputing a contractor's prices on a building project
A project owner gave the AI every item, the purchase order and the emails; it found charges he hadn't noticed.
23Shoe store owner hands email marketing over to an agent
April Polk let the agent audit Klaviyo, delete duplicate flows and rebuild templates, all with approval.
24Registering a trademark in the US with an agent's help
An entrepreneur says Claude Cowork guided them through every step of the trademark application at the US patent office.
25Paying an overseas supplier with an agent and human approval
An agent checks balances in several currencies and prepares the payment; a person reviews and approves it.
26Assessing, teaching a tailored lesson and reassessing with an agent
A former teacher trained an agent to give assessments, build lessons for the gaps and reassess.
27Analyst asks an agent to find forgotten money in their name
Nick Grous, from ARK Invest, received a list of unclaimed funds and got help with the paperwork.
28Chasing a ticket refund after two months of stalling
An agent sent follow-ups every 48 hours, logged broken promises and prepared a complaint to the regulator.
29Clinic automates appeals of health insurance claim denials
An n8n workflow pulls the patient record when a claim is denied and AI drafts the appeal using the clinical data.
30Mattress warranty: my agent versus the store's agent
Noticing bot-like replies from the company, the user set their own agent to negotiate, citing the law.
