Real AI agent use cases, with sources and setup prompts
Tutors, study apps and learning games people built with Claude, ChatGPT and Grok Bot, for themselves, their kids and their students. 18 matching use cases below, each with a public source.
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Building Orbie, an open-source home robot, he had Claude help design the board. He had never soldered, so when the parts arrived he asked Claude to teach him.
A parent built Yara Reads, an open-source early-reading app where a 6-year-old taps words to hear each phoneme and read alone. It has an MCP connection, so Claude, ChatGPT or Grok can take a PDF or phone scans of a book you own and import it into your child's private library.
He made an unofficial AWS Certified Cloud Practitioner (CLF-C02) tutor as a single file you load into ChatGPT or Claude. It finds your weak spots, teaches with comparison tables and quizzes you with spaced review.
Sphinx is a free open-source Git hook for agent-assisted development. When you or your agent push to a protected branch, it asks you a question about what the diff actually does, generated by your existing coding agent, OpenRouter or any OpenAI-compatible endpoint.
A user built a "professor" bot for learning, first on Claude and then on Grok. Grok chat taught less well and had no multiple-choice pop-ups, but Grok Bot fixed both, so the bot now teaches and quizzes with multiple-choice questions.
A non-developer used Claude to build a multi-layered AI tutor for junior classes that runs serverless on Cloudflare D1 and KV, with LLM question banks, text to speech and GitHub Actions CI.
After his study app had 0% week-1 retention, a builder rebuilt its social layer live with Claude Code and Codex: a leaderboard where XP comes from studying, a nightly AI score of your understanding, a focus timer that costs XP if you switch tabs, follows, referrals and 30 badges.
His Grok Bot pulls every rapid game from the free Chess.com API, runs each through Stockfish 17, sorts errors into themes such as hung pieces and time trouble, writes a weekly lesson plan with examples from his games and books two study slots in his calendar.
Instead of slides with a voiceover, he wrote a prompt that makes a narrated lesson with a role-play call, a weak and a strong reply, a recap and a quiz. Claude Code writes it and the open-source HyperFrames renders it.
A parent asked Grok Bot to turn the flat cube nets in his kids' schoolbook into an app: all 11 nets fold into 3D under your finger, and a wrong net visibly fails.
A school built Lexie, a Grok Bot dyslexia tutor that gives students reading lessons.
A learner created a Grok Bot dedicated to learning Mandarin, and on its own initiative it sent a short audio lesson about tones.
A parent made an app to help his daughter learn German vocabulary. Stuck in a third round of App Store review over his walkthrough video, he asked Claude to turn it into a PWA instead.
A founder set Grok Bot to give him one new concept each day that can help him run and grow his company.
A Cambridge lecturer built an interactive jurisprudence quiz with Claude to give students a feel for the course, starting with HLA Hart.
A builder who cannot drive asked Claude Opus 5.5 for a realistic manual-car game: clutch, gears and handbrake that stall and grind like a real car, a tutor called Captain Clutch who graphs what your feet did, six lessons and a free drive through Hyderabad traffic.
A dermatologist vibe-coded a skin cancer learning app with the free Gemini 2.5 Pro: a single HTML file, vanilla JS, no backend.
Built Lathe, which generates a hands-on, source-backed tutorial for any technical topic you want to learn.
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