What people do with custom-built, lesser-known and unnamed agents

• Send a 7am daily brief from email, calendar and Todoist

  A personal agent runs at 7am, checks email, calendar and Todoist, pulls likely follow-ups and delivers one daily brief instead of the full inbox.

  4 accounts

• Run dental office queries, scheduling and reminders with a chatbot

  An AI chatbot deployed on a website and WhatsApp answers queries, schedules appointments, and sends reminders for a dental office.

  3 accounts

• Screen candidates and summarize resumes with AI

  Commenters describe AI used to summarize resumes, mass-screen candidates, skip boolean queries, and an agent that screens candidates anytime.

  3 accounts

• Create bills in QuickBooks from supplier invoices

  A commenter uses an AI agent connected to QuickBooks Online, email and Drive to check the books and turn supplier invoices into bills.

  3 accounts

• Book tutoring appointments over WhatsApp

  An agency owner built a WhatsApp agent for a tutoring company that books calendar appointments, shipped in two days for a $5K fee.

  3 accounts

• Run bookkeeping and receipt matching in QuickBooks

  A user wired AI into QuickBooks, SharePoint and email to attach receipts, forward invoices for checks, add vendors and request W-9s, replacing paid bookkeeping.

  2 accounts

• Reconcile industry files and chase clarifications with agents

  An agent workflow ingests a complex industry file, loads it into a database, spawns agents to check it against work in flight, and contacts people to resolve bad data.

  2 accounts

• Answer dental clinic calls and manage appointments

  The author built a voice AI for a dental clinic that books, reschedules and cancels appointments, checks slots and answers common questions.

  2 accounts

• Schedule meetings by email and update the calendar

  The poster built an agent that reads emails, checks calendar availability, replies with a meeting time and adds it to the calendar.

  2 accounts

• Run side hustle invoicing, payments and bookkeeping

  A side hustler connected their bank to Claude via MCP and QuickBooks so an agent handles invoicing, contractor payments, expense tracking and bookkeeping.

  2 accounts

• Extract expenses from receipt photos sent via chat

  A bookkeeping assistant for freelancers and small businesses reads receipt photos sent through Telegram or Discord and extracts vendor, amount, tax, category and date.

  2 accounts

• Generate and send invoice PDFs for approval

  An AI skill prepares an invoice PDF for work or reimbursements and emails it to the user, then sends it once he replies yes or with corrections.

• Automate payroll tax and garnishment cheque processing

  A payroll team built an agent to process tax and garnishment cheques, building missing tools when it hit a system limitation.

• Run warehouse paperwork, SOWs and billing automatically

  A custom AI system for a warehousing client reads receipts, estimates and invoices, generates SOWs, runs billing and handles 28 background automations.

• Evaluate hiring candidates against competency levels

  A commenter built a basic hiring agent loaded with competency definitions and levels for HR evaluation work.

• Automate follow-ups and inventory tracking for a food distributor

  Built agents for a wholesale food distributor that ran on Excel, calls and email, including inventory tracking and a copywriter agent for outreach emails.

• Schedule meetings by email from forwarded requests

  A user built an AI scheduling assistant that takes forwarded emails, coordinates times with recipients by email, and adds Zoom links to the calendar.

• Summarize the day's new emails and manage meetings

  A user asked an AI assistant to summarize emails received that day and got a summary in under 30 seconds; it also handles meeting summaries, action items, calendar and drafts.

• Triage 1,847 unread emails into folders with draft replies

  An AI agent read email subjects, sorted them into 6 folders and wrote 12 one-line draft replies in 40 minutes.

• Triage unread email with an approval step

  Author built an agent that runs when unread emails arrive and analyzes each one, without auto-replying absent approval.

• Draft email replies and add calendar invites

  A writer built a scheduled Claude agent using Gmail and Calendar connectors to draft replies and add invites to the calendar.

• Turn Gmail action items into an AI to-do list

  A Chrome extension scans a messy Gmail inbox, calendar invites and follow-ups and turns the action items into a to-do list.

• Run a commercial real estate business with an AI agent

  Drew McAllister's agent flagged counteroffers by text, built owner follow-up lists, tracked bids, drafted emails, read lease redlines and flagged deadline conflicts.

• Delegate to-do items to AI agents

  An agentic to-do list lets agents pick up assigned tasks, mark them in progress, complete them and return them to a review inbox for approval.

• Find discounted bank-owned homes and list them as midterm rentals

  MidtermMate agent finds discounted bank-owned homes in a region, estimates local rents, and helps list them as midterm rentals, shown in a video demo.

• Run a Shopify store overnight with an agent fleet

  NightShift detects store issues overnight, auto-fixes safe ones, and audits every action, shown in a YouTube demo.

• Contact job candidates for initial HR screening

  A job seeker reports an AI agent calling and emailing them for a first HR screening.

• 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.

• Pull invoices from Gmail and organize them

  The poster built a tool that pulls invoices from Gmail and organizes them with AI, with possible QuickBooks or Xero integration.

• 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.

• Speed up multifamily deal research and property summaries

  A multifamily broker uses AI for market research, comps analysis, property summaries and chasing property details, but not for negotiation or relationships.

• Claude

  Record meetings and suggest answers live from uploaded files

  An open-source Mac recorder transcribes calls and, using the user's uploaded files, suggests answers when it hears questions.

• Let agents edit Word documents via MCP

  An MCP lets AI agents edit Word documents, handling the OOXML mechanics, originally built for pharma regulatory document editing.

• Claude

  Make auditable rule-based decisions with RAG-written explanations

  A Rete rule engine decides loans, fraud and triage cases, then RAG over policy documents has an LLM explain the verdict, with an MCP server available.

• Ollama

  Run background agents with an email-style approval inbox

  A self-hosted desktop app runs background agents, with finished work in Unread and approvals in Action; it began as automating CRM activity logging and meeting prep.

• Run a company autonomously

  Andon Labs on why they built Pion, an agent designed to run any company on its own.

• Record how you work, then automate the repetitive parts

  Screenpipe records screen and audio locally and gives agents a searchable memory to turn repeated tasks into procedures.

• Read and edit Word, Excel, and PowerPoint files

  OfficeCLI is an office suite built for agents to read and edit Microsoft Office files.

• Claude

  Test AI annotations on student problem sets

  A chemistry professor ran 11 students' problem sets through Claude to see if its annotations could help manual grading; the project was accidentally left public, exposing student information.

• Plan the workday across calendar, tickets, email, and docs

  A planning agent that works across Google Calendar, Linear, Gmail, and Google Docs through MCP.

• GitHub Copilot

  Run a solo company with eight agent departments

  A founder set up CEO, CFO, COO, lawyer, accountant, marketing, CTO, and improver agents that share memory and consult each other.

• Let agents fill out web forms using text-grid page rendering

  Author built TextWeb, a text-grid browser so LLM agents can fill out job applications without costly vision models.

• Manage email, calendar and tasks from Slack

  An agent built on Make.com with Gmail, Google Calendar and Notion triages emails, checks the calendar and adds tasks on Slack commands.

• Source and screen candidates with voice agents

  An unnamed staffing firm used voice AI agents to contact and screen candidates, reportedly reaching 2,000 in a week; weak, vendor-adjacent account.

• Hand a one-person business to AI agents for a week

  A solo owner handed their inbox and scheduler to a network of AI agents for seven days; the result was profitable but uncomfortable, with few details given.

All Work & Operations use cases, from every agent

• Auto-fill job applications with tailored CVs and cover letters

  Commenter says an agent customizing CV and cover letter for job applications, with the user reviewing, eases the process.

  5 accounts

• Plan a birthday day with an AI assistant

  A co-founder's AI assistant planned his birthday: gathered coworker stories, organized the day, booked dinner and ordered a cake.

  4 accounts

• Summarize school emails for parents

  A Grok bot reads kids' school emails nightly and reports what to pack, wear, sign or pay for, flagging deadlines and sign-ups.

  2 accounts

• Update a household wiki with an LLM via MCP

  The author's wife plugged an MCP server into their household Wiki.js so an LLM can update the wiki.

  2 accounts

• Plan parties and shop for products with Claude

  A commenter has Claude plan events minute by minute with menus, and act as a personal shopper comparing prices, return policies and shipping costs across sites.

• Hand everyday errands to a local agent

  A commenter lists tasks given to a trusted local agent: planning flights and hotels, converting music, finding DRM-free ebooks, designing 3D-printed holders, and tracking email appointments.

• Compile and filter apartment listings

  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.

• Run a nutrition bot for meal decisions and calorie logging

  Zack built health agents, including a nutrition bot for his mom that handles meal decisions and calorie logging to support her weight loss.

• Diagnose a low-energy health issue with an agent

  Noah built an agent that suggested which blood work to get and which doctors to see, and says it found the solution four doctors missed.

• Control the home by voice with a local AI

  A user set up local AI with voice commands for a home assistant that handles groceries, lights, AC and garden moisture monitoring.

• Extract school dates from forwarded emails and flyers

  A family task manager pulls dates from forwarded school emails, reads flyer photos and syncs school calendars by zip code.

• Fill and submit visa forms automatically

  The memU bot agent fills visa forms, finds the right documents on the device, handles image uploads and submits without manual prompts.

• Build a charting tool from blood test PDFs

  Matt Stockton gave Claude his MyChart blood test PDFs and it produced a web app charting results over time and flagging abnormal values in about five minutes.

• Run a focus agent and Gmail agent on goals

  The author built a background focus agent linking calendar to goals, plus a Gmail agent that handles the inbox and filters noise.

• Generate a spoken daily news bulletin at home

  Poster built a morning news briefing with ChatGPT, ElevenLabs and Home Assistant that is read aloud through their home setup, replacing Alexa.

• Turn spoken answers into a Todoist task list

  Alexa sends spoken answers to ChatGPT, which organizes them into a formatted list of tasks for the household workflow.

• Fill out a long GP form

  An agent filled out a long GP form, which led to a doctor call and tests being booked automatically.

• Teach students with assessments, custom lessons and reassessment

  Hugh Shbalz trained an agent to give standardized assessments, write lessons to fill gaps, then reassess mastery of core concepts.

• Give an AI its own inbox to act as personal assistant

  The poster set up a separate inbox the AI monitors and acts on, adding calendar reminders and turning text reminders into tasks.

• Organize a Friday night with friends

  The Instinct agent coordinated with friends' agents, picked food, drinks and a movie, synced timing, placed the order and added it to the calendar.

• Book a vet appointment through a clinic's AI phone bot

  A commenter called their doctor about a sick pet and the AI booked an appointment 30 minutes later, which worked out.

• Manage family email, calendar and school chats

  An agent named Anna, reached by text or WhatsApp, manages family email, calendar and school WhatsApp groups and automates forms and schedules.

• Reconfigure Home Assistant lighting automations

  Levelsio used AI to rework Home Assistant so bright LEDs turn off and diffuse lights come on, with all lights off at 10pm and red for sleep.

• Map and control a whole smart home

  Karpathy's agent scanned the home network, logged into Sonos, reverse-engineered APIs, mapped lights, HVAC, shades, pool and security, and built a dashboard.

• Control a fan from sleep position

  An AI roommate uses a pose model on a Raspberry Pi to watch the user sleep and presses a remote button to turn the fan on or off.

• Handle household tasks and reminders

  Nori manages household tasks, important calls, reminders, family schedules and logistics for a family.

• oh-my-pyOpenRouter

  Run a personal assistant that handles repo issues and groceries

  The author uses an oh-my-py agent setup as a personal assistant: it opens repo issues, has another agent ship code and run tests, and orders groceries with a limited virtual card.

• Add handwritten appointments to calendar and file PDFs

  A commenter describes a self-built agent that OCRs a photo of a handwritten appointment into their calendar, searches the web, and files an emailed PDF into paperless.

• Audit your posting history for unkept promises

  An agent was given the author's social posting history and found a promise the author had never actually made.

• Qwen

  Run an offline car assistant on a Raspberry Pi

  A local Qwen model on a Pi reads car OBD data and the manual to answer car questions, controls AC and locks via cloud, and alerts other agents to a breakdown so they can look up train tickets.

• Apply to jobs with a self-built application agent

  Author built an application agent and says it led to interviews at Cohere and Scale AI.

• Find an NYC apartment with a listing-watching agent

  Andrew Kordampalos built an agent with Zapier and Vercel for about $20 to find an NYC apartment, saying it did; replies questioned its inventory.

• Fill PDF forms with an AI copilot using tool calling

  An in-browser copilot fills PDF form fields from data sources or user input, helps with foreign-language forms, and explains contract clauses before signing.

• Add todo items to Todoist from Telegram

  A Telegram bot with an LLM and an orchestration platform (n8n or windmill) adds todos to the author's Todoist account from natural language messages.

• Claude

  Run Claude on a cronjob for morning briefings and email tasks

  User built a Claude-in-a-loop with cron that produces morning briefings and podcasts and handles tasks emailed or texted to it.

• Claude

  Run a personal doorman agent on a $7 VPS

  A public agent greets site visitors over IRC while a private one handles email and scheduling, capped at $2 a day.

• Apply for Dutch rentals and schedule viewings

  Uprent's agent submits viewing requests, reads landlord emails, drafts replies and schedules viewings; one complaint is duplicate applications to the same ad.

• ChatGPT

  Hunt for an apartment with an agent (partly failed)

  A self-hosted agent surfaced broken links and mismatched descriptions at over $100 in credits; ChatGPT then compared listings and scheduled searches until it lost site access.

• Label school emails and draft parent replies

  A parent's agent labels school and parent emails, drafts replies she edits and sends, and asks before adding dates to her calendar.

All Life Admin & Home use cases, from every agent

• Run a self-hosted, sandboxed software factory

  One developer's build log of an almost fully self-hosted, sandboxed agentic pipeline for producing software.

  3 accounts

• Audit a codebase for redundant dependencies and polyfills

  An MCP server lets an agent check a codebase for redundant dependencies and polyfills, usable remotely or as a local stdio server.

  2 accounts

• JunieChatGPT

  Vibe-code a pull request dashboard across Azure DevOps repos

  Author used ChatGPT for architecture and the Junie agent in WebStorm to build a dashboard aggregating PRs across four repos, flagging approvals, conflicts and comments, in about 3 hours.

  2 accounts

• Crawl documentation into clean Markdown for AI agents

  The author built a documentation crawler for their AI agents that pulled 60 pages of clean Markdown in 49 seconds.

• Audit a feature's issues and hand them to an engineer's agent

  An AI agent listed all issues with a feature and sent them to an engineer, whose own agent then addressed most of them automatically.

• Let terminal agents make phone calls

  A CLI tool built on Twilio gives terminal agents a voice to make calls, with a dashboard for questions they can't answer.

• Add agentic forgetting to an agent's memory

  Someone implemented a rudimentary version of Tim Kellogg's agentic forgetting approach and reports it works impressively even in its simplest form.

• DrawgentExcalidraw

  Run a coding agent on a live Excalidraw canvas

  Drawgent is a coding agent that works on a live Excalidraw canvas.

• 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.

• LangGraph

  Optimize CUDA kernels with agents that benchmark and profile

  AI agents run a C++ CUDA test harness, get benchmarks, and profile with Nsight to optimize kernels, built with LangGraph.

• ForensicDbg

  Debug Windows crash dumps with an AI agent via MCP

  ForensicDbg is a post-mortem debugger for native Windows x64/x86 crashes with an MCP server so AI agents can debug from interpreted, interlinked crash data.

• Speed up Rust code by having agents iteratively optimize it

  The post covers asking coding agents to make Rust code faster through repeated iteration.

• Port the Copilot runtime to Rust agentically

  Microsoft reportedly used agents to port its Copilot runtime to Rust for $120K, according to the headline.

• Test how well coding agents can onboard to your product

  ax-check.com runs coding agents in sandboxes to try onboarding to a product, then returns a scorecard, suggested fixes, and full session traces.

• Ordewell

  Turn one goal into an ordered plan of coding-agent tasks

  Ordewell takes a single goal and breaks it into an ordered plan of tasks for coding agents.

• Give coding agents compiler-accurate Find Usages for C#

  Graphify C# lets coding agents find symbol usages in C# codebases with compiler-level accuracy.

• Run an AI software factory that opens, reviews, and merges PRs

  A guide to building agents that open, review, and merge pull requests.

• ClaudeJules

  Pair-program with LLMs on personal projects

  The author uses Claude web and Jules (Gemini with GitHub integration) as pair-programming partners, navigating while coding locally and submitting back.

• Give coding agents git-native persistent memory

  A tool that stores persistent memory for AI coding agents in git so context carries across sessions.

• ClaudeChatGPT

  Build a bare-bones Windows VNC client from an email brief

  The author emailed Claude a spec for a minimal VNC viewer targeting Windows 10 over a local SSH tunnel, to be built on a Mac and delivered with a checksum.

• 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.

• One-shot a CLI coding agent on top of a Python LLM library

  Simon Willison had the Fable model more or less one-shot a CLI coding agent built on his LLM Python library.

• Build a working coding agent in R from three tools

  Author builds a functional coding agent in R starting from three tools, then adds tools to make it safer and more efficient.

• Work on mainframes and COBOL

  Hopper is an agentic development environment for the mainframe systems behind banking, payments, insurance, and airlines.

• Cloudflare

  Create accounts, buy domains, and deploy without a human

  Cloudflare's announcement that agents can now create Cloudflare accounts, buy domains, and deploy.

• Gemini CLI

  Orchestrate a multi-phase RAG migration

  A walkthrough of using Gemini CLI to coordinate a complex, multi-phase cloud migration project.

• Review Linux kernel patches

  Google engineers launched Sashiko, an agentic AI code reviewer for the Linux kernel.

• ClaudeAgno

  Let an agent extend its own code inside a Docker sandbox

  An agent built on Claude and Agno implements capabilities in its own source code in Docker, with changes validated, committed, or rolled back; it reached 21+ capabilities.

• Build a phone voice agent that answers in under half a second

  A from-scratch voice agent averaging about 400ms end to end, with streaming speech-to-text, LLM, and text-to-speech and clean barge-ins.

• Run parallel coding agents from Markdown specs in tmux

  A workflow post on running multiple coding agents in parallel using tmux and Markdown specs, based on the title.

• Turn tickets into merged pull requests with one-shot coding agents

  Stripe describes its internal Minions coding agents that take tasks end to end into code changes; the post is a headline only.

• 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.

• ChatGPT

  Spec features with AI and hand off to coding agent

  Author discusses a spec with an AI agent or ChatGPT, then hands it to an agent to code, and tests the outcome instead of reading every line.

• Claude

  Build a C compiler with a team of parallel agents

  Anthropic's engineering write-up on tasking Opus 4.6 agent teams with building a C compiler.

• Self-host services on a home server

  A write-up on how CLI agents make running your own home server easier and more fun.

• ChatGPT

  Diagnose Swift errors with ChatGPT from symptoms and code

  A Swift developer feeds error symptoms and code to ChatGPT to get a starting lead on the cause, then reviews the code it produces.

• Let a custom agent change its own repository

  Author's custom-built agent made its first code change to its own repository.

• Triage issues and open fix PRs with a GitHub bot

  A cookbook shows a GitHub bot that triages issues, reviews PRs, answers questions with citations, flags AI-slop contributions, and opens patch PRs for human review.

All Software & DevOps use cases, from every agent

• ChatGPT

  Negotiate a lower Comcast bill via chatbot

  DoNotPay's ChatGPT-based bot chatted with Comcast support for an engineer and secured a $10 monthly discount.

  12 accounts

• Write a parking ticket appeal that got dismissed

  The poster used ChatGPT to draft an appeal of a street-sweeping parking ticket, and the ticket was dismissed.

  4 accounts

• Search state databases for unclaimed property under old names

  The poster asked Claude to search unclaimed property databases in every state they lived in, using their name and old names.

  3 accounts

• Write appeals and phone insurers on denied claims

  Counterforce Health's AI writes appeal letters against claim denials and a voice agent calls the insurer to follow up for the user.

  3 accounts

• Dispute contractor pricing and change orders

  An AI reviewed a contractor PO, emails and line items and drafted dispute emails, spotting issues the user missed and leading to $20K credited back.

  2 accounts

• Claim unclaimed property using ChatGPT guidance

  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.

  2 accounts

• Prepare federal and state tax returns from a folder

  A Redditor pointed Claude at their tax folder and asked it to do their taxes; they say returns for 2024 and 2025 came back in 15 minutes and matched TurboTax, but needed mailing.

  2 accounts

• Set up overseas supplier payments for review

  An approved agent checks balances across accounts and prepares supplier payment details for review, within user-set rules.

• Investigate market moves and alerts with an agent on your charts

  OpenChart lets Claude or Codex annotate chart setups, write indicators, and investigate price alerts, saving research to a local workspace.

• Sort tax documents and fill IRS forms

  Author had Claude sort wage forms, 1099s and brokerage summary, extract numbers, and fill blank IRS forms, but did not let it file via browser automation.

• Dispute an airline's EU261 delay compensation rejection

  A Grok-based agent checked flight data, argued the crew issue wasn't extraordinary, and sent an approved email, winning €400 before landing.

• Run multi-agent LLM financial trading analysis

  A framework of multiple LLM agents that collaborate on financial trading decisions.

• Fight a denied home insurance water damage claim

  The poster used AI to research their policy and state laws, contested a partial denial of water damage coverage, and says they won.

• Negotiate a lower GoDaddy support price via chat agent

  The poster told an AI agent to negotiate a cheaper price in GoDaddy support chat, checking for replies every 60 seconds, and says it got a better deal.

• Generate a daily personalized trading research report from brokerage data

  Lonnie VanZandt's Claude-based assistant reads his Schwab positions and watchlist via MCP, sweeps news and Fed sources, and writes a daily report.

• Consolidate bank statements into a spending dashboard with Claude

  Miles Deutscher reportedly uses Claude to merge monthly bank statements into a dashboard, visualize spending, compute metrics and analyze portfolio allocation.

• File insurance claims for overcharges

  Tarun told an agent to file all the claims after finding overcharges and has received $200 back so far.

• Research crypto assets and execute swaps and perps trades

  The Midas Markets agent researches assets, analyzes portfolios and PnL, finds tokens by momentum, and executes swaps and perp positions on Hyperliquid.

• 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.

• Draft appeals for denied insurance claims

  A built AI system reads a denied claim, pulls the patient's record and drafts a formal appeal letter for human review before sending.

• Fight a mattress warranty claim by email

  A user's agent emailed back and forth with the mattress company's agent, citing laws and pushing aggressively, to resolve a warranty claim.

• Manage a brokerage account in plain English with an AI agent

  Coinbase's SEC-registered AI agent uses full portfolio context and account history to take account actions from plain English and suggest investment ideas.

• File tenant complaints against a landlord automatically

  A Claude agent scraped violation databases and filed 14 complaints with the NYC housing board; the landlord was reportedly fined and the rent increase blocked.

• Analyze budgets and research investments from bank data

  The poster pipes bank transaction data into ChatGPT and uses Claude for budget analysis, investment research, and summarizing and comparing financial reports.

• Draft a refund demand for an unauthorized renewal

  The poster used ChatGPT to write a stronger message to Skillshare after an unauthorized $24 renewal, threatening a dispute and chargeback.

• Sanity

  Tell Indian citizens which government schemes they're owed

  An agent built on Sanity queries real content to tell people in India which government schemes they are entitled to.

• Shop for umbrella insurance through your personal agent

  Personal AI agents use Coverage Cat's Agent API/MCP to size umbrella coverage and compare carrier options with price ranges, backed by a licensed broker.

• Get a billing dispute refunded by a support agent

  A customer disputed an incorrect Vercel bill and the company's support AI agent produced and offered a refund on its own.

• Claude

  Run your side of a home insurance claim

  After a burst pipe, the user has Claude read the policy, organize receipts, track adjuster messages and delays, log correspondence and estimates, and challenge coverage decisions.

• Let AI agents file employment tax returns with the IRS

  An MCP server in development lets agents submit tax returns (employment forms 941 and 940 first) to the IRS as a tool call; it is still in IRS certification and not yet live.

• Negotiate retention discounts on bills by phone

  A voice agent calls service providers, navigates IVR menus, waits on hold and negotiates retention discounts for users, pausing for OTP verification.

• Triage care, estimate visit cost, and negotiate medical bills

  An app directs people to the right site of care, estimates insurance-based visit costs, and uses an AI voice agent to negotiate bills down after the visit (US only).

• Fill in flight delay compensation claim forms

  An agent checks what happened to a flight, works out compensation owed under the law, and fills in the airline's claim form, stopping before Submit.

All Money, Bills & Benefits use cases, from every agent

• ElevenLabs

  Let a voice receptionist schedule appointments via MCP

  A custom MCP server exposes list, schedule and cancel appointment tools so an ElevenLabs voice agent can handle customer calls against the company CRM.

  5 accounts

• 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.

  4 accounts

• Triage support emails and draft refund-policy replies

  A consultant built a Claude agent that reads support Gmail, looks up orders, applies refund policy, drafts replies for human approval and creates triage records with optional Slack alerts.

  4 accounts

• Run a daily SEO article campaign

  An agent researches keywords, publishes one SEO article daily and refreshes articles every two weeks using Search Console and Ahrefs data.

  4 accounts

• Book and reschedule patient appointments by phone and chat

  AI agents handle booking, rescheduling and cancelling across phone, text and web chat for clinics, including after-hours calls.

  4 accounts

• Prospect, score leads and run outbound email sequences

  An agent scans Apollo.io and job boards twice daily for ICP-matching prospects, scores leads, writes 3-email sequences with Claude, sends follow-ups, and pauses on replies with human approval.

  3 accounts

• Resolve customer support tickets autonomously

  The author built an autonomous support agent for a three-person team facing 847 waiting customers, reporting 500+ tickets a day and a 94% resolution rate (self-reported).

  2 accounts

• Build a full ad campaign from a client's website

  An agent scraped a client's site, built a multilingual ad campaign with keywords, copy and tracking plan, and flagged a conversion problem.

  2 accounts

• Monitor Reddit, draft replies and schedule posts

  A commenter built a personal Claude agent acting as social media manager that monitors Reddit, drafts replies, and schedules posts.

  2 accounts

• Find weak-web-presence businesses and pitch them with personalized outreach

  Six agents find businesses with weak online presence, write personalized outreach, and produce scripts, voiceovers and talking-head videos to sell web services.

  2 accounts

• Zendesk AI Agent

  Answer customer support conversations with a Zendesk agent

  A Zendesk AI Agent autonomously handles over 2,000 monthly product-question conversations for a client, letting three support staff move into sales.

  2 accounts

• Answer customer questions and escalate to humans

  Built an agent that answers product and pricing questions, handles follow-ups, gives payment details, notifies admins of payment proof and hands off to humans via a dashboard.

• Run a client's Facebook ad account

  An AI agent handles setup, optimization and performance for a client's Facebook ad account, which the poster says beats his manual work.

• Write, schedule and track social posts daily

  An agent writes a business's social posts, schedules them daily and tracks performance without manual input.

• Draft daily niche-news posts for four social platforms

  An agent scans niche news, picks a story, writes posts for LinkedIn, X, Instagram and Facebook, makes images, and emails drafts each morning.

• Handle sales and support calls with a voice agent

  A team deployed an AI voice agent for after-hours calls, FAQs and order status, capturing structured call data for CRM and support systems.

• Answer home-service customer calls and text the owner

  A voice agent answers calls for home-service businesses, records caller details and request, and texts the owner a status.

• Fix Shopify SEO and find ad waste with a Claude agent

  A Claude-based agent analyzed a Shopify store, fixed SEO issues raising the score to 95, found ad waste, tested ideas and checked AI visibility.

• Build a paid ad campaign from scraped brand and competitor data

  An agent scraped a jewelry brand's site for SKUs and social media for buying patterns, analyzed competitor ads, and generated a paid campaign with image and video concepts.

• Generate customer-service agents from a URL that book appointments

  A platform builds website and WhatsApp support agents that answer questions and book Google Calendar appointments, plus an autopilot that scrapes Google Maps and preps outreach with demo bots.

• Cover support calls 24/7 with a voice agent

  Robin Delta built a voice agent that answers support calls around the clock, resolves tier-1 issues or escalates, and books appointments.

• Email daily deal briefs from Zillow listings to real estate agents

  A Zillow scraper feeds Claude to produce daily briefs on new listings, price cuts and outreach scripts, emailed to 47 paying real estate agents.

• Schedule social posts through an AI agent

  A commenter ingests social content with Obsei and posts across networks via getlate.dev with an AI agent, except Reddit.

• Qualify real estate leads and book viewings

  An AI assistant qualifies leads on Telegram, matches listings, books viewings from calendars, and logs to the CRM.

• Generate structured company research reports

  Dharmesh's Company Research agent pulls firmographics, executives, traffic, search marketing data and G2 reviews into a structured report on any company.

• Claude

  Run a Monday competitor-monitoring brief from job listings

  Claude is set up as an agent that browses competitors and reads their job listings every Monday morning to infer what they may do next.

• Answer tenant and rental prospect questions with AI

  A commenter says AI tools handle most tenant questions, prospect inquiries and document preparation, handing harder cases to a human.

• Answer renter questions and schedule tours

  EliseAI's leasing agent inside Zillow Rentals listings answers renter questions and schedules tours for multifamily partners.

• Sell services through an agent that takes payment and delivers

  An agent runs a transaction flow, creates Stripe checkout links, verifies payment before delivering a service, and asks the owner on Telegram to approve refunds or disputes.

• Answer business phone calls with a voice agent

  Small-business owners use AgentVoice agents to take customer calls, update records, send emails, log to HubSpot, filter spam and transfer real customers to staff.

• SynthflowRetell

  Answer after-hours calls and book appointments

  The author set up a Synthflow receptionist that captured caller details and booked next-day appointments, and a Retell agent that answered clinic FAQs and flagged frustrated callers (vendor comparison).

• Run an autonomous loop that builds SEO pages and tools

  An agent loop reading a revenue dashboard ran 365 cycles, generating 394 interlinked SEO pages and a webhook inspection tool with landing page, docs and drafted outreach.

• Speed up support ticket research and triage

  A ClickUp support engineer built a system cutting per-ticket research from 15 to 4 minutes across 5,000+ monthly tickets; Mercari handles first replies for 97% of tickets.

All Sales, Marketing & Support use cases, from every agent

• Claude

  Plan and order a week of groceries with Claude

  The poster used Claude on Mac and iOS to plan and order a week of groceries, with partial success, and will keep using it up to the grocery-list step.

  5 accounts

• MoltBot

  Get competing car quotes from dealerships and negotiate a lower price

  An agent filled out web forms at 8-10 dealerships and emailed competing quotes against each other, reaching a deal that saved over $4,200 in three days.

  3 accounts

• Phone local stores to check product stock

  A Grok-based personal assistant used Bland.ai to call local stores, hold conversations about stock, and return full transcripts with availability.

  2 accounts

• 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.

  2 accounts

• Let Claude buy a game autonomously

  The poster built payment infrastructure so Claude could complete a game purchase on its own when told to, in about 60 seconds.

• Track pantry stock from receipts and buy groceries

  A custom AI system reads receipts, estimates kitchen stock, checks grocery store availability and prices, buys groceries, and suggests recipes.

• Shop for a shirt and place the order

  An AI agent compared six brands on sizing, return policies, and shipping minimums, found the nearest store, picked a size, and ordered a white dress shirt.

• Scan thrift store items and flag good deals

  An agent processes video frames from a thrift store, looks up online prices for items, and alerts the user to good deals.

• Track competitor prices weekly across five sites

  An agent opens five brand sites every Monday, compares against last week's snapshot, captures timestamped screenshots of changes, and sends a report.

• Order lunch through an AI agent

  Abhishek Upadhya had an AI agent order his lunch, giving it his CVV and OTP, and the food arrived without further intervention.

• Order groceries from health data and a meal plan

  Austen Allred's AI automatically orders groceries based on body scans, health data, and preferences, mapped to a meal plan.

• Let AI agents search a store, build carts, and prep checkout

  A store is set up so Claude or ChatGPT agents can search the catalog, build a cart, and apply promo codes, then hand over a checkout link before payment.

• Negotiate Facebook Marketplace purchases with sellers

  A user set up an agent to lowball sellers on Facebook Marketplace, and it reportedly negotiated a Jeep Wrangler for $1500 plus a PS5 and three TVs.

• Order healthy meals twice a day automatically

  Flo Crivello's agent has decided and ordered his meals twice a day for two weeks, following instructions to pick the healthiest options.

• Research purchases for delivered price and working coupons

  The poster built an agent that compares real delivered prices, tests every coupon it finds, reads owner feedback and goes through checkout without ordering.

• Qwen 3.6 27B

  Order groceries online with a local LLM skill

  The author built a grocery skill for a local Qwen 3.6 27B model that knows their fridge contents, past orders and real-time stock, and it ordered products for them online.

• 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.

• ChatGPT

  Plan meals and fill an Instacart cart

  The author used ChatGPT with the Instacart plugin to build a daily meal plan and put the ingredients into a ready-to-order shopping list.

• Instacart Clementine

  Build a grocery cart from purchase history

  Instacart's AI assistant built a 27-item cart from the shopper's purchase history, turned dinner ideas into carts and flagged unavailable items.

• Claude

  Let AI agents place DoorDash orders

  DoorDash's dd-cli beta lets agents order food, with a demo of Claude completing a full order end to end.

• Launch and run an online store with AI agents

  The author used an AI store builder to launch a retail shop taking real payments in one sitting, with five agents watching orders, stock and customers.

• Build an Instacart grocery cart from a chat request

  A reporter connected Instacart to ChatGPT, which assembled the cart for formula, ice cream and fruit and opened a checkout confirmation in chat.

All Shopping & Errands use cases, from every agent

• 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.

  3 accounts

• Let agents phone restaurants to book tables

  Jake built a tool that lets agents like Claude or ChatGPT make phone calls to book tables, handling callback numbers mid-call.

  2 accounts

• Book a kid's dental checkup by phone agent

  The poster tested eight AI phone-call agents on calling a dentist to book a checkup within constraints like weekdays only and after 3pm.

  2 accounts

• Rebook a work flight to save money

  Arden texted a user that rebooking his Zurich flight would save $7,750; after he approved, it changed the flight and the refund hit his corporate card.

  2 accounts

• Plan vacations, handle visas and make bookings

  Uses AI to plan vacations, handle visas and do all the bookings; the post also mentions AI filtering dating outreach.

• Fix wrong-day flight reservations between bots

  Ron's speaking-gig bot noticed flights on the wrong days and, with his permission, had his travel bot fix them and reschedule everything.

• Plan and book a short-notice work trip

  Grok Bot researched flights and booked the one Vince picked, though he had to take over the computer to fill in data and found it harder than booking himself.

• Negotiate hotel rooms by phone call

  An AI assistant called a hotel in Japan and negotiated the same two rooms for all five nights; the user listened to the recording afterward.

• Book accommodation up to payment stage

  An agent opened the TTD website for Tirupati, picked options, entered details and took the booking to the payment stage without human clicking.

• Try to book a Warsaw to London trip with Claude

  The poster tried to have Claude fully book flights and hotel via Expedia and Kiwi connectors, found them poor, and ended up building a travel booking project instead.

• Book a flight from your phone

  Tom booked a flight with ChatGPT Work on mobile; it asked for personal details, then opened a remote browser session for payment details.

• Build a custom agent to search Cyprus villa rentals

  Marc Lou built an agent that combined public real estate data with air quality, water, noise and landslide data into an Airbnb-style interface for villas.

• Book a dentist appointment agent-to-agent

  A user's agent tried to book a dentist appointment, and the dentist's agent countered, leading to negotiation over timing, fees and arbitration with American Express.

• Handle restaurant reservations over WhatsApp

  The author built a WhatsApp agent for a local restaurant that checks availability, answers questions and confirms bookings; one paying customer so far.

• Schedule clinic appointments by phone with an AI agent

  A clinic's automated phone AI handled the poster's appointment booking call instead of a human.

• ChatGPT Deep Research

  Plan family vacations with Deep Research

  Author uses ChatGPT Deep Research with detailed family prompts to find destinations, attractions and schedule trips; it can't yet filter and book accommodation.

• Book a restaurant table through a Resy connector

  A PCWorld writer asked Claude to book a table for three in Midtown Manhattan via the Resy connector; it picked a restaurant but the exchange was clunky, with raw JSON and permission prompts.

• Find and rebook flights for a trip

  A former travel worker had ChatGPT search flights via Kayak and suggest earlier return options, then booked a Houston-to-NYC flight.

All Travel & Bookings use cases, from every agent

• ChatGPTClaude

  Generate LEGO CAD models in LDraw with AI agents

  A toolset and docs let ChatGPT and Claude agents write LDraw source files that become LEGO CAD models, packaged as a dockerized web app.

  2 accounts

• Build a 3D Blender model from a concept image

  The author pasted a concept image of a Fabergé egg and had a coding agent use a local Blender skill to create a Blender model of it.

• Script Shorts, post X threads and repurpose content

  An agent scripts YouTube Shorts, posts X threads and repurposes content so the creator avoids touching a content calendar.

• 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.

• Recreate a video ad as a JavaScript animation

  The author had Claude recreate a downloaded ad video as a pure JavaScript animation with the original audio, working autonomously with ffmpeg in under an hour.

• Generate ads from a website URL

  Arcads agents take a website URL, learn the brand, and produce ad ideas, static ads and AI UGC videos.

• Turn PDFs and textbooks into interactive courses

  Hassan's agent parses source documents, plans lesson structure via tool calls, picks interactive components, and a Lesson Reviewer agent checks the final course.

• Notion

  Turn a week of GitHub activity into a blog post

  A three-agent pipeline that drafts weekly posts from commit history and publishes to Notion and DEV.

• Audit and rewrite marketing copy to strip unverified claims

  A dual-agent system scores landing page, cold email and pitch deck copy against strict rubrics, then rewrites it to remove fluff and unsupported claims.

• Edit raw footage by describing the video you want

  Cardboard goes from raw footage to an edited video from natural-language instructions.

• Figma-use

  Let AI agents design in Figma

  A CLI that lets coding agents create shapes, text, frames and components in Figma, so agents can build layouts and component systems.

• Keep a personal website's content updated automatically

  A developer's setup for automating their site's content with agents and MCP.

• Build your own video-editing agents on a canvas

  Mosaic lets you create and run multimodal video-editing agents in a node-based editor.

All Content & Creative use cases, from every agent

• Discover room-temperature magnetic semiconductor candidates with agents

  Opus 5.5 agents were used to identify two candidate room-temperature magnetic semiconductors, per the post's headline.

• Generate parametric geometry workflows with an agent

  GrassLobster uses agentic AI to generate parametric geometry workflows.

• MathKernel

  Give agents a multi-engine math kernel via MCP

  MathKernel is an evidence-aware multi-engine mathematics kernel exposed as an MCP server for agents to use.

• Explore open math problems with a multi-agent system

  A paper on autonomous mathematical discovery in an open-world multi-agent environment.

• Generate parametric CAD models from a prompt

  An open-source text-to-CAD tool that produces 3D models from text and image references by generating CAD as code.

• Reverse-engineer binaries in Ghidra

  An MCP server exposing 110 Ghidra tools for AI-assisted reverse engineering.

• Claude

  Find exploitable bugs in smart contracts

  Anthropic's red team reports agents finding $4.6M worth of blockchain smart contract exploits.

• Program a sub-$2k personal robot

  MARS is a general-purpose robot with an open onboard agentic OS built on ROS2.

• Claude

  Reverse engineer a classic game ROM via Ghidra MCP

  The author connected Claude to Ghidra through MCP to analyze and rename functions in an Atari River Raid ROM.

All Security, Science & Hardware use cases, from every agent

• Run a systematic literature review from one prompt

  SciSpace's agent generates PICO questions, searches and screens papers, downloads PDFs, extracts data and outputs the full review with a PRISMA diagram.

  2 accounts

• Search literature and write notes into Zotero

  A researcher uses Claude to search Google Scholar, follow citations, query a Zotero library in natural language, and write summary notes into Zotero or Obsidian.

  2 accounts

• 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.

• Produce cited research briefs with simulated peer review

  Feynman multi-agent system searches papers and the web, synthesizes findings, runs simulated peer review, verifies citations, and outputs a cited brief.

• Run systematic literature reviews with a research agent

  Poster recommends a research-focused tool that does systematic review (slow but strong), adds notes to papers, and builds a research project over time.

• Speed up a thesis literature review

  Author used ChatGPT to summarize and structure a thesis literature review, and tried a tool that builds summaries from real papers to avoid invented citations.

• Claude

  Reverse-engineer a book file format to search it

  After the RAG indexer crashed on an uploaded book, Claude used Unix commands to work out the file format and grep the book manually.

• Run persistent financial research with an agent

  LangAlpha is a Claude Code-style agent for investing research that keeps persistent workspaces and memory so analysis such as models and comps can be updated across sessions.

All Research & Knowledge use cases, from every agent

• Compete in a real-time strategy game

  A game environment built for frontier LLMs to play against each other.

  2 accounts

• Run a D&D dungeon crawl with an AI dungeon master

  A browser D&D 5e dungeon crawl where an AI dungeon master runs the game for a three-character party without inventing rules.

• Give a coding agent a world-facing client for a game

  The author uses a coding agent to build the game Overlands and is giving it access to the world through a dedicated agent client, where it chose a name and designed its own avatar.

• Play-test your own game

  A developer built an agentic test harness so an AI could play their game and help with play-testing.

• Play mayor in SimCity through an API

  A headless city simulator on the open-source Micropolis engine where anyone's agent can run a city.

• Test a browser agent on web games

  Researchers had ChatGPT Atlas's browser agent play T-Rex Runner, Sudoku, Flappy Bird and Stein.world; it did well on logic puzzles like Sudoku, finishing faster than humans.

• Let general-purpose agents choose and play their own games

  AI Village gave agents a computer to pick games; GPT-5 spent the week on Minesweeper without winning and built a Google Sheets scoresheet to track agents.

• Claude

  Let agents play computer games all day

  Agents including Claude Opus and o3 were given computers to independently play games like 2048 for hours.

All Games & Simulations use cases, from every agent