Productivity tools usually help you organise work; AI agents can actually do some of it. Scheduling, reminders, summaries, document tidying and repetitive desktop tasks are all things people now hand over to an agent.
This guide collects real examples of agents saving people time on ordinary work. They range from small helpers that prepare a daily briefing to agents that manage calendars, clean up documents and run weekly routines. Every case links to its source.
The pattern behind the best examples is a clear, repeatable task. When the job happens often and the steps are predictable, an agent can take it over almost entirely. One-off, fuzzy jobs still benefit from a person steering.
Pick a case below that resembles a chore you do every week, open its page and try the prompt. If it works, make it a routine. The most interesting cases are listed first.
What is in this guide: 60 sourced cases, added between 2026-10-15 and 2026-10-15. The tools that come up most often are Custom agent (16), Claude (11), Claude Code (8), and the cases mostly sit under Productivity (60). They were reported on Reddit (26), X (19), Hacker News (8). If you only have a few minutes, start with the top three: “Watch weekly deals and buy regular items”; “Triage care, estimate visit cost, and negotiate medical bills”; “Source suppliers and negotiate deals overnight”.
Each case page gives a short summary in our own words, a note on why it matters, a reusable prompt broken into steps you can follow, and a link to the original first-hand account. Nothing here is a paid placement, and we only list cases with a working public source.
60 real cases, most interesting first
Watch weekly deals and buy regular items· Grok Bot · Productivity Observed in the wild: the setup used two separate bots: Deals checked weekly for discounts on repeat purchases like energy drinks and cat supplies…
Source suppliers and negotiate deals overnight· Custom agent · Productivity Linked example of source suppliers and negotiate deals overnight. Used Sourcing Expert agent plus Accio plugin connected to Alibaba.com to source a…
Negotiate retention discounts on bills by phone· Custom agent · Productivity Real-world thread: kudos assembled a voice agent that phones a service provider for Someone, works through IVR menus, waits on hold, and asks for a…
Negotiate a lower GoDaddy support price via chat agent· Custom agent · Productivity One practitioner notes that the poster had an AI agent handle a GoDaddy support chat, with instructions to negotiate a lower price and check the…
Extract expenses from credit card statements into Excel· Claude Code · Productivity A published walkthrough shows the builder put all her personal credit card statements in one folder and ran Claude Code from inside it. She asked it…
Negotiate Facebook Marketplace purchases· OpenClaw · Productivity Documented elsewhere: openClaw shows up in a write-up about negotiate Facebook Marketplace purchases, with figures like $1500, 5. The linked post is…
Write a parking ticket appeal that got dismissed· ChatGPT · Productivity Observed in the wild: the poster fed ChatGPT-4 the specifics of a $75 street-sweeping ticket, the city sewage project that had pushed parking more…
Turn receipts into CSV for bookkeeping· ChatGPT · Productivity Observed in the wild: the poster assembled a custom GPT that reads receipt images and returns a CSV you can paste into bookkeeping software. In the…
Dispute contractor pricing and change orders· Custom agent · Productivity Real-world thread: user fed the AI every line item, the PO, and all contractor emails. The AI reviewed them and drafted detailed dispute emails on…
Analyze Garmin data for meal planning and health patterns· Claude · Productivity Community report: one commenter said they keep separate meal-planner and health projects and manually enter data from a Hume band, body-composition…
Find fitting job postings and tailor resumes· Claude · Productivity Linked example of find fitting job postings and tailor resumes. Commenters describe powered by Claude mainly before the application itself: one…
Order healthy meals twice a day automatically· Custom agent · Productivity Community report: flo set up an agent with instructions to pick the healthiest options and order food. The agent decided and ordered meals twice a…
Fill out a prescription order form on a clinic site· ChatGPT Agent · Productivity Community report: one commenter tested agent mode on a clinic’s prescription refill form. They put the medication information into the prompt, and…
File tenant complaints against a landlord automatically· Claude · Productivity Linked example of file tenant complaints against a landlord automatically. User told Claude code to act as tenant lawyer, find violations, and file…
Curate a Mubi watchlist from stated criteria· ChatGPT Agent · Productivity Real-world thread: someone gave ChatGPT Agent a set of film criteria: lesser-known movies from 2015–2025, varied countries and styles, and no…
Search and apply to jobs on LinkedIn· OpenClaw · Productivity Case study takeaway: the poster gave OpenClaw control of a Chrome browser with the OpenClaw extension installed, then manually logged into LinkedIn…
Order Starbucks by voice from a Tesla while driving· Grok Bot · Productivity Linked example of order Starbucks by voice from a Tesla while driving. The poster said they had been testing Grok Bot in a Tesla for a couple of…
Compile and filter apartment listings· Claude · Productivity According to the write-up, renno Mihalis, 23, had one week to find an apartment in San Francisco after getting a job offer. Rather than powered by a…
Run Monte Carlo simulations on a retirement portfolio· Claude · Productivity Observed in the wild: the poster says they rebuilt their retirement portfolio in Claude and had it model a 60:40 allocation over 15 to 20 years…
Triage support tickets and draft replies· Claude Code · Productivity According to the write-up, the skill interviews you about your support stack, then writes TypeScript scripts for your ticketing, billing and…
Turn a spreadsheet into a Meta ads account· Manus · Productivity Real-world thread: joel Jackson Leaned on the Manus agent for spreadsheet to ads account in Meta. The agent performed the conversion directly…
Spot conflict avoidance in meeting recordings· Claude Code · Productivity Dan Shipper downloads meeting recordings into a folder and asks Claude Code to find moments where he subtly avoided conflict.
Run warehouse paperwork, SOWs and billing automatically· Custom agent · Productivity A published walkthrough shows the team assembled one custom operating system (130k lines of code, 41 screens, 50 tables) after mapping every…
Book a kid's dental checkup by phone agent· Custom agent · Productivity Observed in the wild: a group of eight AI phone-call agents were tested to book a dental checkup on weekdays and following 3pm, powered by…
Search rentals and negotiate· OpenClaw · Productivity Documented elsewhere: openClaw shows up in a write-up about search rentals and negotiate, with figures like 8. The linked post is the primary source…
Negotiate a TV price with a retailer's chat· ChatGPT Agent · Productivity Observed in the wild: chatGPT Agent shows up in a write-up about negotiate a TV price with a retailer's chat, with figures like 939. The linked post…
Find cheapest nonstop flights on Google Flights· ChatGPT Agent · Productivity Real-world thread: chatGPT Agent shows up in a write-up about find cheapest nonstop flights on Google Flights, with figures like 4, 10, 737. The…
Fill out job applications in a browser· Claude Cowork · Productivity A published walkthrough shows claude Cowork desktop app gives Claude its own Chrome browser plus three user docs (resume, cover letter, Q&A on…
Diagnose a low-energy health issue· Custom agent · Productivity A published walkthrough shows as described in the source: noah stood up an agent that recommended which blood tests to take and which medical…
Build a Pokemon-style dog collecting app· Replit Agent · Productivity As described in the source, someone instructed Replit Agent to build the full app. The agent scraped American Kennel Club regional population data…
Screen candidates and summarize resumes· Custom agent · Productivity Observed in the wild: the use of AI by commenters is exemplified by its ability to summarize resumes, screen candidates in large quantities, avoid…
Have Claude implement most of a day job's work· Claude · Productivity A published walkthrough shows provides Claude with work responsibilities and ensures that the majority of the functionality is executed, but the…
Get a second opinion on an MRI· Claude Code · Productivity Documented elsewhere: the builder gave Claude Code (Opus 4.8, xhigh) a roughly 266 MB DICOM export of a shoulder MRI, let it install packages, and…
Flag risks in a 50-page contract before signing· Claude · Productivity Case study takeaway: the poster uploaded a 50-page contract PDF to Claude and used a prompt asking it to read the whole document, explain in plain…
File receipts from a folder· Grok Bot · Productivity Case study takeaway: user ran Grok Bot against a receipts folder. The agent filed 14 receipts on its own, held 2 because they needed a card number…
Buy a sell-out Hyrox event ticket· Grok Bot · Productivity From the linked report, someone directed their Grok Bot to book a Hyrox ticket. The agent handled the purchase on its own and secured the spot. The…
Automate event social posting across platforms· Claude Code · Productivity A published walkthrough shows the poster used Claude Code to connect their social channels for promoting the AI x Marketing Summit in San Francisco…
Auto-fill job applications· Custom agent · Productivity Documented elsewhere: as described in the source: the process of editing a CV and cover letter for job applications is simplified by an agent who…
Apply to jobs automatically and schedule calls· Meta Muse · Productivity Documented elsewhere: muse was given instructions to handle job applications end to end. It updated resumes and cover letters then submitted…
Do taxes by selecting the right invoices· ChatGPT Agent · Productivity Linked example of do taxes by selecting the right invoices. The poster used ChatGPT’s Agent tool to help with quarterly Xero reconciliation for a…
Program a sub-$2k personal robot· Custom agent · Productivity A published walkthrough shows the source is a launch post for MARS, an assembled, calibrated robot with a Jetson Orin Nano, a 5DoF arm with wrist…
Log meals and medical metrics into a health spreadsheet· Claude Cowork · Productivity Linked example of log meals and medical metrics into a health spreadsheet. The poster made a Claude Cowork “Health Related” folder on a desktop and…
Let AI models trade stocks autonomously with $1k each· Gemini · Productivity Linked example of let AI models trade stocks autonomously with $1k each. The poster set up four paper-trading portfolios with $1,000 each on Alpaca…
Debug low-level cryptography code· Claude Code · Productivity A published walkthrough shows filippo Valsorda ran Claude Code (Opus 4.1, no system prompt) on his new Go ML-DSA implementation. His prompt named…
Build a thyroid episode warning model from wearable data· Claude Code · Productivity One practitioner notes that the poster exported 9.5 years of Apple Watch data through Apple Health plus Whoop data, labeled periods that matched…
Build Alexa routines to regulate a daily schedule· Alexa+ · Productivity Real-world thread: the writer assembled Alexa Routines across the day on Echo speakers and other smart devices, after getting tips from a…
Triage client messages into tickets and replies· Devin · Productivity A published walkthrough shows A Slack watcher on one client thread triggers a Devin session on each new message. Devin investigates the issue on its…
Take orders for a sushi chain· Claude · Productivity One practitioner notes that constructed a Claude representative who accepts requests for a sushi chain with seven locations, utilizing information…
Search LinkedIn and submit tailored job applications· Claude Code · Productivity As described in the source, chrome runs with remote debugging on, and Claude Code connects to it through Selenium scripts it writes itself. A…
Order lunch through an AI agent· Custom agent · Productivity Real-world thread: abhishek gave an AI agent his CVV and OTP so it could place a lunch order. The agent completed the purchase and payment…
Hunt jobs, tailor resumes and apply automatically· Devin · Productivity As described in the source, user described desired job type, schedule and pay to the Resume bot at x.ai. The bot searched listings, ranked them by…
Contact job candidates for initial HR screening· Custom agent · Productivity Linked example of contact job candidates for initial HR screening. The post describes a company powered by an automated recruiter that first emailed…
Compare Coca-Cola prices across Belgian supermarkets· Grok Bot · Productivity Real-world thread: peter van Hees asked Grok Bot in plain language to compare Coca-Cola prices at the major Belgian supermarkets, without naming…
Buy a microwave from Costco· Meta Muse · Productivity According to the write-up, someone's Meta Muse agent bought a microwave from Costco. The purchase was completed.
Answer home-service customer calls and text the owner· Custom agent · Productivity Documented elsewhere: the voice agent answers calls for home-service businesses. It records the caller's name and number, the request in the…
Reclaim forgotten crypto airdrops and deposits· Claude · Productivity A published walkthrough shows someone gave Claude and GPT agents access to their full blockchain transaction history. The agents scanned every past…
Monitor Reddit, draft replies and schedule posts· Claude · Productivity Observed in the wild: the commenter says they assembled a personal Claude agent as a social media manager powered by the Agent SDK plus a Claude…