Real AI agent use cases, with sources and setup prompts
Short answer: To test your app with AI agents, give a testing agent the running app (a preview URL) plus a short description of what it should do, and let it click through the real flows and write end-to-end tests you can rerun. The builders below did this. TestSprite explored a vibe-coded ticket page with 4 agents and wrote 14 end-to-end tests, and wrote 21 tests for a bike repair booking site its coding agent admitted it never clicked through. QA Wolf ran Claude Code and Codex through 1,567 QA evals across web, iOS and Android. Trail of Bits' regression-hunt plugin checks what else a fix changed. Run the tests on every change, not just once.
Sourced examples of AI agents clicking through apps and writing end-to-end tests before launch. 13 matching use cases below, each with a public source.
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A Grok Bot template, Vibe Code Security Reviewer, takes access to a repo you own, runs pinned upstream checks, reviews and validates findings, proposes patches only when you authorize them, runs regression checks and checks PHP versions. It builds on Cloudflare's security-audit-skill, Trail of Bits' patching-bugs and regression-hunt, and OpenAI's php2shell-checker.
A coding agent built a newsletter site and admitted "I haven't seen it running in a browser yet". TestSprite deployed 3 AI agents to test it in real browsers and produced 11 end-to-end tests.
A coding agent built a bike repair booking site in about 12 minutes, then admitted it never clicked through the booking flow. Given the URL and a quick spec, TestSprite sent 4 agents around the site on their own and wrote 21 tests.
Trail of Bits published two agent plugins: patching-bugs reproduces a reported bug, fixes it and proves the fix with a three-arm test (old code fails, patch passes, revert fails again), and regression-hunt checks whether the change broke previously working behavior, with a live proof for every claim. Add THREAT_MODEL.md and PATCHING_GUIDELINES.md to your repo to guide them.
After a coding agent added promo codes, sold-out sections and seat limits to a ticket page, TestSprite explored the app with 4 agents, wrote 14 end-to-end tests and ran them, including the rule "FRONTROW only works on Front Pit tickets".
QA Wolf ran Claude Code and Codex through the 1,567 evals it uses for its own QA agent, across web, iOS and Android apps, to test whether they can do the rest of the QA job beyond writing a passing Playwright test.
A coding agent vibe coded a small store (catalog, cart, checkout) in 11 minutes and put it on a preview URL. TestSprite got the URL plus a one-paragraph PRD and explored and tested it before launch.
A developer let Amp work overnight on his open-source repo with one prompt: review every PR, wait for CI and Codex bot review comments, resolve them, re-request review, run an end-to-end test and prove everything worked. Claude Code hit its usage limit for 5 hours mid-run.
flowreel is an open-source (Apache-2.0) Claude Code plugin built with Claude Code. One Playwright flow becomes a release gate, the evidence that it passed, and a narrated product demo video.
e2e is an open-source testing framework that combines AI agents with normal end-to-end tests: you describe what the user should do in plain English instead of manually scripting every click.
QA Wolf can now run end-to-end tests for Windows desktop apps, 100% parallel, live streamed and recorded, using the same APIs it uses for web and mobile tests.
A QA engineer built a playwright-automation-standards skill so Claude Code's generated Playwright scripts follow best practices automatically.
Cory House asked Claude: "Look through my past sessions. How many times did a test catch a bug?" Claude found 5 recent instances where a test caught a bug.
How to make faceless YouTube videos with AI · How to automate work with n8n and AI · How to vibe code an app with Claude Code · How to build AI agents for SEO and ads · How to run multiple coding agents together · How to build an MCP server for AI agents · How to add memory to coding agents · How to secure vibe-coded apps and agents · How to observe and debug AI agents · How to build agent memory and context layers · How to control coding agents from your phone · How to add payments to vibe-coded apps · How to run local LLMs with AI agents · How to set up Grok Bot agents for real work · How to build with Gemini 4 Argon and Gemini agents · How to use AI agents for taxes, bills and budgets · How to make AI video ads and Reels with agents · How to set up Hermes Agent workflows · How to vibe code a game with AI · How to replace SaaS subscriptions with vibe-coded tools · How to use AI agents for errands, calls and shopping · How to use Cursor agents and automations · How to make 3D scenes and models with AI and Blender · How to use Claude Code skills and plugins · How to cut AI coding agent costs and token use · How to automate a small business with AI agents · How to compare AI models on the same prompt · How to build hardware projects with AI agents · How to make AI music videos and songs · How to use AI agents with Obsidian and your notes · How to build apps and games for your kids with AI · How to use ChatGPT for real projects and everyday tasks · How to make AI agents ask for approval before they act · How to build AI trading and investing agents · How to build AI agents that make and answer phone calls · How to plan meals and groceries with AI agents · How to use AI agents for fitness and health · How to undo, checkpoint and stop runaway coding agents · How to use AI agents for job hunting · How to automate social media posts with AI agents · How to build a smart home and voice assistant with AI agents · How to make money with AI agents · How to build a website with AI agents · How to use AI agents for research and science · How to build an iPhone or Android app with AI · How to automate email and your inbox with AI agents · How to use AI agents for Linux, servers and homelabs · How to build Telegram, Discord and WhatsApp bots with AI · How to research memecoins and crypto with AI agents · How to remove ads and bloatware from your smart TV with AI · How to self-host AI agents on a Raspberry Pi, Mac mini or homelab · How to learn anything with an AI tutor · How to build an AI second brain and personal wiki · How to reverse-engineer and revive old devices with AI · How to edit videos with Claude Code and Codex · How to set up an AI family assistant · How to make a Godot, Unity or 3D game with AI agents · How to build a custom Android TV or Google TV launcher with AI · How to use Claude Code and Codex together · How to build your own invoicing and bookkeeping app with AI · How to make a browser arcade game with AI · How to make a product demo or launch video with AI · How to fix Wi-Fi and secure your home network with AI · How to control Claude Code and Codex by voice · How to design a PCB and electronics with AI · How to save, share and resume coding agent sessions · How to run AI coding agents in a sandbox · How to make a multiplayer game with AI · How to let AI control your computer (computer use) · How to build a Mac menu bar app with AI · How to port code to another language with AI · How to make an AI animated short film or anime · How to build your own coding agent or harness · How to get notified when Claude Code or Codex needs you · How to build a Chrome extension with AI · How to use AI agents with Excel and Google Sheets · How to run Claude Code and Codex in a desktop app (T3 Code, Codex app, Claude Desktop) · How to make a song or album with AI · How to vibe code classroom apps and quizzes as a teacher · How to plan and book a trip with an AI agent · How to make motion graphics and animated videos with Claude Code · How to mod and reverse engineer games with AI · How to run AI agents overnight while you sleep · How to negotiate bills and get refunds with an AI agent · How to let an AI agent use your phone (iPhone and Android) · How to build a Polymarket bot with AI (and Kalshi) · How to use Claude Duet: real examples and tips · How to build private apps just for yourself with AI · How to design and 3D print things with AI agents · How to automate customer support with AI agents: real setups · How to find leads and automate sales outreach with AI agents · How to run a Shopify or online store with AI agents · How to launch an app and get your first users with AI · How to build a team of AI agents with a chief of staff · How to make a hand-tracking or gesture-controlled game with AI · How to give an AI agent a budget or a card safely · How to share passwords and logins with an AI agent safely · How to get AI code review on your pull requests · How to review contracts, leases and fine print with AI · How to make slides and presentations with AI · How to take meeting notes and track follow-ups with AI · How to scrape websites and extract data with AI agents · How to make a podcast with AI · How to use AI agents for security scans and threat intel · How to build a dashboard with AI agents · How to clone your voice and make AI voiceovers · How to make AI images, thumbnails and product photos · How to write a CLAUDE.md or AGENTS.md rules file · How to build an AI chatbot for your own documents · How to port or remake a classic game with AI · How to build a VST plugin or synth with AI · How to trigger AI agents with webhooks and events · How to find a home or rental with AI agents · How to track Claude Code and Codex usage limits
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