Edition of October 26, 2026Use cases · with prompt · with sourcePTEN

New · page 7 of 10 · RSS

Case archive · 7

Illustrative photo: Services/Technology sector181
Marketing and Content🇧🇷 Brazil

Testing whether AIs cite your blog

An author asked five AI assistants about topics he had already published on to see whether his content showed up.

BloggerMarketing ProfessionalChatGPTClaude
TabnewsSee prompt →
Illustrative photo: Finance sector182
Productivity🇧🇷 Brazil

Setting up a monthly bank reconciliation routine with AI

A finance professional describes how to use ChatGPT to cross-check a bank statement against the general ledger and flag differences.

AccountantFinancial AnalystChatGPTCodex
LinkedInSee prompt →
Illustrative photo: Retail sector183
Business and Sales🇧🇷 Brazil

Using ChatGPT to sell footwear on marketplaces

A sandal seller who does everything herself describes the four moments of the week when she uses ChatGPT.

Marketplace SellerChatGPT
BlogSee prompt →
Illustrative photo: Services/Technology sector184
Career🇧🇷 Brazil

Automating applications for jobs abroad

A backend developer from São Paulo built an agent that finds jobs, fills in forms and replies to recruiters.

DeveloperAgente de IA
TabnewsSee prompt →
Illustrative photo: Services/Technology sector185
Games and Creativity🇧🇷 Brazil

Making a multiplayer shooter with AI alone

A developer built a Counter-Strike-style FPS in about 10 days, using Claude for all the code.

DeveloperGame DesignerClaude
TabnewsSee prompt →
Illustrative photo: Education sector186
Education and Study🇧🇷 Brazil

Automating the grading of practice exams for an entire school

The IT coordinator of a school in Duque de Caxias built a workflow that grades practice exams from several teachers and returns indicators by class.

TeacherAcademic CoordinatorChatGPTPython
TabnewsSee prompt →
Illustrative photo: Services/Technology sector187
Business and Sales🇧🇷 Brazil

Using several AIs as critics to validate an idea

A developer created a "tribunal" of 25 AI personas to judge ideas without the flattery typical of chatbots.

EntrepreneurLLMs
TabnewsSee prompt →
Illustrative photo: Construction sector188
Programming🇰🇿 Kazakhstan

Building an entire platform without being a programmer

A construction inspection entrepreneur in Kazakhstan used only Claude Code for ~6 months to create more than 30 modules.

Business OwnerEngineerClaude Code
TabnewsSee prompt →
Illustrative photo: Services/Technology sector189
Productivity🇧🇷 Brazil

Setting up complete Discord servers with an AI bot

An open source bot uses Gemini to plan categories, channels, roles and rules from a description.

DeveloperCommunity ModeratorGemini
TabnewsSee prompt →
Illustrative photo: Services/Technology sector190
Marketing and Content🇧🇷 Brazil

Teaching AI to make your site findable by people and by other AIs

A developer created a skill for Claude Code to review the SEO and GEO of websites.

DeveloperMarketing ProfessionalClaude Code
TabnewsSee prompt →
Illustrative photo: Industry sector191
Customer Service🇧🇷 Brazil

A family business answers leads with an AI agent on WhatsApp

A transformer factory in São José do Rio Preto deployed an agent to answer questions and collect the details needed for a quote.

Business OwnerSalespersonMeta Business Agent
BlogSee prompt →
Illustrative photo: Services/Technology sector192
Games and Creativity🇧🇷 Brazil

Launching a complete RPG with AI as the only engineer

A developer controlled the architecture and let Claude Code write Therryn, a browser idle RPG.

DeveloperClaude Code
TabnewsSee prompt →
Illustrative photo: Education sector193
Education and Study🇧🇷 Brazil

Build an app to study for the driver's license theory exam (CNH)

A developer used AI agents to build a study app for the Detran driving test.

DeveloperStudentAgente de IA
TabnewsSee prompt →
Illustrative photo: Health sector194
Health🇫🇮 Finland

Ask an AI for a second reading of an MRI

A developer in Finland gave their shoulder MRI images to Claude Code to compare against the radiology report.

PatientClaude Code
BlogSee prompt →
Illustrative photo: Agribusiness sector195
Productivity🇧🇷 Brazil

Embrapa app diagnoses soybean diseases from a photo

Researchers are testing with farmers an app that recognizes Asian soybean rust and downy mildew in phone images.

FarmerApp Embrapa (em testes)
NewsSee prompt →
Illustrative photo: Education sector196
Games and Creativity🇧🇷 Brazil

Father and son build a charity betting pool app with AI

A businessman and his 9-year-old son used AI to build a World Cup pool that donates part of the proceeds to Apae in São Carlos (SP).

Business OwnerParentIA generativa
NewsSee prompt →
Illustrative photo: Services/Technology sector197
Programming🇧🇷 Brazil

Set up a 100% local AI coding environment

A junior developer integrated local models into VS Code with Ollama and Cline, with no paid APIs.

DeveloperOllamaCline
TabnewsSee prompt →
Illustrative photo: Services/Technology sector198
Programming🇧🇷 Brazil

Build a World Cup tracking website with AI help

An engineer built Central da Copa 2026 and explains why it wasn't "just asking the AI to do it."

DeveloperIA generativa
TabnewsSee prompt →
Illustrative photo: Health sector199
Health🇧🇷 Brazil

Build a study platform for medical residency exams

A radiologist who studies AI built RadVenture, with questions, practice exams and AI tools.

PhysicianRadiologistIA generativa
TabnewsSee prompt →
Illustrative photo: Automotive sector200
Business and Sales🇧🇷 Brazil

A neighborhood auto shop reminds customers about quotes without becoming spam

An auto repair shop in Curitiba set up automatic WhatsApp quote follow-ups using AI.

Repair Shop OwnerSalespersonWhatsApp APIGPT-4o-mini
BlogSee prompt →
Illustrative photo: Health sector201
Business and Sales🇧🇷 Brazil

Sell a WhatsApp scheduling agent to a clinic

A student in an AI agents course built a scheduling agent for an aesthetics clinic and began charging a monthly maintenance fee.

FreelancerDeveloperAgente de IAWhatsApp
BlogSee prompt →
Illustrative photo: Health sector202
Customer Service🇧🇷 Brazil

Clinic customer service on WhatsApp without the AI making up prices

A developer used RAG so the bot answers only with the clinic's real data.

DeveloperClinic ManagerRAGIA generativa
TabnewsSee prompt →
Illustrative photo: SMB sector203
Business and Sales🇧🇷 Brazil

Automate the WhatsApp sales funnel with PIX payments

A developer automated customer service and billing on WhatsApp to stop losing customers to slow replies.

DeveloperSalespersonFastAPIRedis
TabnewsSee prompt →
Illustrative photo: SMB sector204
Business and Sales🇧🇷 Brazil

Build prospecting lists from Google Maps

A developer built a local lead extractor with Python and Playwright, speeding up development with AI.

DeveloperSalespersonPythonPlaywright
TabnewsSee prompt →
Illustrative photo: Services/Technology sector205
Programming🇧🇷 Brazil

Following the AI blindly and breaking Linux (and learning from it)

A developer describes how commands suggested by an AI broke their dual boot and what they learned.

DeveloperGamerLLMs
TabnewsSee prompt →
Illustrative photo: Legal sector206
Rights and Bureaucracy🇧🇷 Brazil

Habeas corpus written only with AI and a letter from the STJ to the OAB

An STJ justice sent a letter to the OAB over a habeas corpus petition with AI-fabricated citations and no original argument.

LawyerIA generativa
NewsSee prompt →
Illustrative photo: Construction sector207
Marketing and Content🇧🇷 Brazil

Generate posts for real estate agents with AI

A developer created Regenc, an app that generates posts and captions for real estate agents, and ran into the Play Store's 12-tester rule.

Real Estate AgentDeveloperIA generativaSupabase
TabnewsSee prompt →
Illustrative photo: Services/Technology sector208
Programming🇧🇷 Brazil

Leave a coding agent running for 24 hours and learn from the bill

An experiment letting Claude Code work unsupervised for a full day ended with a high bill and a security scare.

DeveloperClaude Code
TabnewsSee prompt →
Illustrative photo: Services/Technology sector209
Productivity🇧🇷 Brazil

Use a local AI to detect phishing

A security professional showed a Python script using a local model to analyze the intent of suspicious emails.

Security AnalystDeveloperOllamaPython
TabnewsSee prompt →
Illustrative photo: Health sector210
Health🇧🇷 Brazil

Hospital transcribes consultations with AI and the doctor validates the medical record

Einstein used an AI that listens to the consultation and suggests a structured entry for the medical record.

PhysicianClinic ManagerIA de transcrição
NewsSee prompt →