All use cases
Build and launch a code-snippet sharing app
The poster built the Snippra app with Replit Agent, which handled UI copy, feature planning, debugging and naming while they guided it.
Build and launch a landing page with a Google Ads campaign
OpenClaw built and shipped a live landing page, wired lead capture with duplicate protection, set up a geo-targeted Google Ads campaign and a consent-mode tag.
Build and order a grocery cart from an idea
Through the Instacart connector, Muse turns an idea like Taco Tuesday into a cart at the preferred store, checks out and arranges delivery.
Build and publish a BaZi chart reading agent
Built solo with coding agents, an agent computes BaZi charts, interprets them, detects language and takes on-chain payments for readings.
Build and ship a micro-SaaS in three hours
A developer used paid Replit to build and deploy a micro-SaaS to production in about 3 hours, with database, domain, hosting and monitoring handled.
Build and submit a family quest app to the App Store
A user built Kogoto Quest, which turns family reminders into quests, with Replit Agent and submitted it for App Store review.
Build and test a Mars simulator game
Grok Build wrote the systems for a Mars simulator game, tested it, studied gameplay, fixed bugs and iterated.
Build and test a simple endpoint project with Devin
A reviewer had Devin set up a project, write code, install dependencies, test endpoints and add error handling in about 4 minutes on a simple task.
Build apps, debug repos and set up CI/CD with Devin
A review lists Devin building a full-stack to-do app, debugging a public repo with a PR, and doing Docker setup, deployment and CI/CD.
Build custom real estate tools for offers and deal tracking
A rental owner used Codex to build tools for formulating offer prices, building property analysis reports with field photos, and tracking transactions under contract.
Build dashboards and troubleshoot support cases
Commenters use Microsoft Scout to build a dashboard that persists across reboots and to document and troubleshoot support cases end to end.
Build data analysis reports and dashboards with a coding agent
A toolkit gives a coding agent a semantic layer and dashboard files so it can query data warehouses and publish in-depth reports and visualizations.
Build data pipelines and analysis for a research paper
A researcher used Claude Code as the main agent to build data pipelines and do the data analysis for a paper, generating over 98% of the code.
Build e-ink fridge shopping list firmware
Claude Code wrote ~2,400 lines of C++ firmware for an ESP32 e-ink fridge magnet shopping list synced with a phone web app, now used by the family.
Build four games in parallel with agents
Four Grok 4.20 agents built a tower defense, mini Factorio, CHIP-8 emulator and roguelike shooter in parallel over a day.
Build game architecture and animation merging with Codex
A commenter had Codex do fundamental architecture work for their game, reading engine docs and implementing better animation merging.
Build Godot games with paired design and coding agents with Claude Cowork
Cowork handles design docs, task queues and playtests while Claude Code writes GDScript and runs Godot and git.
Build group grocery carts through a Signal-based agent
A self-hosted Signal agent drafts a grocery list from past orders, lets group members edit it, then logs into the store and builds and validates the cart; the author finishes checkout manually.
Build interactive web games from prompts
Per an influencer's tests, Manus built a role-play web game as Google's CEO in about an hour and a match-three puzzle game with tech logos.
Build lead lists and multichannel outbound sequences
Grok Bot built a lead list from the author's website and ICP, then drafted a Salesforge sequence for review before launch; author reports a 38% reply rate.
Build old and new apps with coding agents
Terence Tao describes using modern coding agents to create or revive apps, based on the post title.
Build presentations and spreadsheets from web research
A user had Agent Mode build a presentation, draft an eBook and turn web research into spreadsheets; the author said the design was not award-winning but saved hours.
Build profit/loss statements for rental properties
Meta Muse logged into property software and built profit/loss statements for every rental property.
Build prospect lists and cold emails from the web with Claude Code
Claude Code driving the author's logged-in Chrome read seed pages and LinkedIn profiles to find 25-30 sourced prospects; about 20 emails sent drew 7 replies.
Build retro games with a child using Claude Code
An author builds games like a space shooter and an animal hospital game with his 7-year-old, using pixel art assets and a spec drafted via Claude's question tool.
Build scored sales lead profiles and outreach drafts
The author built a pipeline with Gemini Deep Research, NotebookLM and Sheets that produces a scored lead profile and outreach draft in under 20 minutes, tested on three companies.
Build searchable knowledge bases from videos and papers
An OpenClaw agent runs a YouTube summariser and a paper-condensing tool, saving Markdown into two indexed knowledge bases for videos and papers.
Build small custom agents such as one in a music player
The author writes lots of little agents, for instance inside their music player, noting they are trivial as code.
Build SQLite with a swarm of parallel coding agents
The author recounts using parallel coding agents to build a SQLite implementation and shares experience from it.
Build support, calling and content agents for small teams
A solo founder delivers Lindy-based chat support, inbound/outbound calling, content repurposing and negotiation agents to small-team clients.
Build your own video-editing agents on a canvas
Mosaic lets you create and run multimodal video-editing agents in a node-based editor.
Build YouTube analytics reports and lead outreach with Claude Code
Claude Code pulled YouTube analytics via API into a verified Excel file, built a job-tracking app, and found and enriched sales leads with outreach.
Bulk-unsubscribe from Gmail newsletters
A PCWorld writer had Claude Cowork pick newsletters safe to cut, then unsubscribe in bulk via the Chrome extension with a JavaScript function it wrote to click Unsubscribe.
Bundle monthly vendor invoices for the accountant
A scheduled bot pulls vendor, date, amount and invoice number from PDFs, bundles a month with an index, and waits for approval before sending to the accountant.
Buy a microwave from Costco
A user had Meta Muse buy a microwave from Costco.
Buy a sell-out Hyrox event ticket
Grok Bot bought a Hyrox event ticket for the user before it sold out.
Buy games, get mover quotes and book dinner with Muse
A reviewer had Meta's Muse buy a Switch 2 game, call four movers for quotes and help book an OpenTable restaurant.
Buy headphones during a sale with an AI agent
An AI agent bought headphones for the poster; they also use a browser extension for sale purchases and price-drop alerts.
Buy homemade pizza ingredients from Walmart
A reviewer had ChatGPT Agent shop at Walmart for pizza ingredients, handing control back briefly for an anti-bot check.
Buy items on Amazon from a photo
Author used ChatGPT Agent to reorder an item from a photo of its wrapper, handling the whole Amazon purchase until Amazon blocked agents.
Buy movie tickets and set reminders from your calendar
A custom Meta Muse skill checks the calendar, confirms movie times and seats, buys tickets, adds the booking to the calendar, and sends a traffic-aware departure reminder.
Buy products online from a card photo
Musk said Grok Bot bought LEGO from the LEGO website, and that users can drop a credit card photo into chat so it finds the best deal and orders; plans and safeguards weren't specified.
Buy products through an agent and track the order
Per Rye, a user had his OpenClaw agent find products and check out via Rye's checkout API, with items delivered and order status polled afterwards.
Call a dental insurer on your behalf
Meta's AI agent phoned a dental insurer, gave the member ID, answered a security question and waited on hold before transferring the user to a representative.
Call and email leads with a self-provisioned phone number
An AI agent gave itself a phone number, found fitting leads, called and emailed them, followed up and reported results.
Call and text appointment reminders every morning
An n8n workflow pulls the day's Google Calendar appointments, places automated voice calls via Retell AI, then sends follow-up SMS through Twilio.
Call hotels to verify reservations after booking
Users' AI agents phone hotels after making a reservation to confirm it was booked correctly, per a hotel worker complaining about the calls.
Call local stores to check toy stock
A writer used Gemini's calling feature to phone local stores about a Labubu figure and got text or email summaries of availability, price and hours.
Call the DMV to schedule an appointment with a voice agent
Olivia Moore built a voice agent in under 30 minutes that phoned the DMV and scheduled an appointment for her.
Cancel Adobe subscription without early termination fee
The poster used ChatGPT's suggested wording in a support chat, asking about the earliest cancellation date, fees and access end, to cancel Adobe Creative Cloud without a penalty.
Cancel an Amazon subscription and get a refund
Codex navigated Amazon settings to cancel a subscription, then chatted with customer service and secured an immediate $15 refund.
Cancel and refund subscriptions by searching email and calling
Grok Bot read email across two accounts, logged into systems, phoned providers and sent emails, cancelling and refunding two long-pending subscriptions in about ten minutes.
Cancel streaming subscriptions with ChatGPT Agent
A writer had the agent cancel Peacock, Disney and Netflix after logging in; it needed a nudge and may be blocked on some sites.
Catalog and summarize papers dropped into Drive
An n8n workflow extracts metadata from new PDFs, finds related papers on Semantic Scholar and PubMed, builds an APA citation, logs to Sheets and creates a Notion summary.
Catch and prepare an unsent invoice for approval
An early tester's dot noticed an invoice to a publication was unsent and prepared it for approval.
Catch cloud outage risks before they happen
An autonomous ReAct agent that queries real data to stop cloud outages before they occur, built for the Sanity Challenge.
Catch fraudulent charges and recover subscription money
Users said Muse caught a recurring fraudulent charge the bank missed and found a forgotten book subscription and got the money back; savings unverified.
Catch intent conflicts between parallel coding agents
Agents publish planned changes before editing so conflicting architecture changes across parallel worktrees get flagged before code is written.
Catch up on two years of overdue Dutch taxes
Claude Code helped a person almost two years behind on taxes untangle expenses, look up receipts and invoices, and navigate the Dutch tax system.
Chase an airline refund dispute
An agent sent firm follow-ups every 48 hours, built a paper trail and prepped a regulator grievance; the $1,200 flight refund was processed within a week.
Chase unpaid invoices and paperwork by email for small firms
An agent watches for unpaid invoices and paperwork, emails people until they say yes, no, or pay, and escalates decisions to the owner.
Chase unquoted leads and book callbacks
The agent watches the inbox or CRM, follows up on unquoted leads after 24 hours, and books callbacks.
Check a domain's email records and fix missing DMARC
An agent ran a mail check on its own domain, found no DMARC record, and after one TXT record was added the score rose from 80 to 96.
Check hotel reservations and guest check-ins on Booking.com
A small-hotel owner in Riga runs scheduled Cowork tasks that use Claude in Chrome to check reservations and verify check-ins in the Booking.com admin panel.
Check prospect fit and write cold email openers
Claude Code automates checking whether companies fit the target and creates personalized openers, saving manual prospect checking.
Check supplier invoices for duplicates and missing GST
Invoices arrive in a shared inbox, an AP tool extracts details, and an agent checks them against prior transactions to flag duplicates, wrong amounts or missing GST.
Check taxes against receipts and bank statements
A user had Claude compare tax figures with receipts and bank statements, flagging discrepancies, then reviewed the draft themselves.
Claim refunds for delayed or cancelled flights with Claude
Claude gathers the facts, researches the rules and drafts the refund request email after a delayed or cancelled flight.
Claim unclaimed property using ChatGPT guidance with ChatGPT
A user photographed an unclaimed property letter and ChatGPT pointed them to the Florida treasury site to claim it; another says a fiancé claimed and received the money.
Clean inbox and draft social posts in your voice
Grok Bot logged into apps, cleaned and analyzed an inbox, drafted X and LinkedIn posts in the user's voice, and ran workflows overnight, pinging for decisions.
Clean inbox, chase refund, and book HVAC tune-up
Meta Muse deleted 20k+ old Hotmail emails, chased a missing refund via ISP support chat, and scheduled an HVAC tune-up from maintenance history.
Clear Gmail spam folder with a browser agent
A reviewer had Comet clear their Gmail spam folder, which worked; adding recipe ingredients to an Instacart cart struggled.
Clear leftover installers and fetch a YouTube transcript
Scout ran PowerShell to delete 31 leftover installers (4.4 GB) after asking permission, and installed a tool to save a YouTube transcript when the browser was blocked.
Click add-to-cart button on a website with computer use
Víctor Paytuvi had Claude computer use find and click a site's add-to-cart button on the first try after Gemini failed.
Click through apps to verify its own work
With computer use, Devin built and played a desktop game, ordered on Amazon, and tested its own work by clicking through the app.
Click through macOS app builds to catch visual bugs
A developer used Claude Code computer use to compile, launch, and click through macOS app screens to find layout bugs.
Code a 3D plane game in the browser
A Hugging Face product head prompted Manus to build a Three.js plane-control game and got an animated 3D browser game.
Code from your phone
A write-up on a setup for using Claude Code on the go.
Code in the terminal with an agent
The poster uses Grok as a terminal coding agent that reads, edits, runs tools and spawns sub-agents.
Code with Manus and auto-deploy via GitHub and Vercel
A G2 reviewer uses Manus mostly for coding, pushing code to GitHub, which is linked to Vercel so work goes live on their website.
Cold-call real estate brokers with AI voice agents
A workflow places AI voice calls to brokers, schedules follow-up calls if no appointment is booked, and emails warm and hot lead alerts.
Collate school homework and due dates into a child's calendar
A parent had Meta Muse log into the school information system via its credential vault, gather homework and due dates, and add calendar entries with reminders, running daily.
Collate WHO data into a multi-tab spreadsheet
Testers had ChatGPT Agent navigate the WHO site, extract the latest data and organise it by indicator, country and trend; it often fails on logins or dynamic pages.
Collect and summarize async standup updates
Zapier's internal agents gather async standup updates and summarize them, letting teams replace five daily standups with two weekly sessions.
Collect financial data on 100 independent schools
A writer had Operator gather financial data for independent schools in the background; it was slow and was stopped after about 25 schools, then the data went to o1 for analysis.
Collect shower glass supplier quotes by email
OpenClaw emailed shower glass suppliers, collated responses, and handled the back-and-forth in a chat thread.
Compare and book a hotel online
Grok Bot compared hotel options and completed the booking purchase online, saving the user money.
Compare Coca-Cola prices across Belgian supermarkets
Grok Bot compared a bottle of Coca-Cola across Belgian supermarkets, named cheapest and priciest and flagged promotions, handing the browser to the user at a Carrefour captcha.
Compare Costco and Amazon carts on price and delivery
Grok Bot added items to carts at Costco and Amazon and compared prices, delivery charges and times, handing the desktop back to the user for CAPTCHA or 2FA.
Compare grocery prices across stores from a list
A tech worker built a Gemini browser agent that takes a typed or scanned handwritten grocery list and compares prices on Amazon Fresh and Flipkart Minutes.
Compete in a real-time strategy game
A game environment built for frontier LLMs to play against each other.
Compile a daily digest of Reddit AI tool chatter
A Lindy agent searches Reddit for conversations about new AI tools, compiles popular topics and updates a document daily.
Compile an annotated bibliography and draft a paper
ChatGPT Agent searched academic databases for recent open-access empirical papers, grouped them by field, wrote an annotated bibliography, noted research gaps and assembled a draft.
Compile and filter apartment listings with Claude
A renter used Claude and ChatGPT to compile property-management sites and filter listings; results were decent but included some out-of-parameter listings, and he found a place through a friend.
Compile deductions and Schedule C with Claude Code
Claude Code gathered charitable contributions and itemized deductions from sheets, email and statements and built a Schedule C; some categorizing stayed manual.
Compile genealogy research into a spreadsheet and plan
A commenter had ChatGPT build a spreadsheet for her genealogy research, and agent mode was recommended for compiling and formatting findings into a usable document.
Compile journalist lists and search apartment listings
A reporter tested Manus on building a reporter list, searching NYC rentals and finding award candidates; results were thin at first, and a three-hour search yielded only three full profiles.
Compile recent LLM research papers into a Word doc
Comet found major LLM/agent training papers from six months with links and analysis, then saved them to a Word doc via Outlook.
Complete an online course assignment in the browser
Perplexity Comet was prompted to complete a Coursera web design assignment and appeared to finish it in a short clip; the CEO told people not to do this.
Complete an online survey end to end
The poster says Muse navigated a survey, solved a captcha and submitted a response with no human intervention.