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41 source-checked cases.
- Have Claude Cowork prepare late-invoice reminder drafts every Monday night, with a report of who owes whatRecreated promptEvidence: Described by posterBeginner-friendly
Michel, in San Diego, works in a tight-margin business with basic back-office software, and sending late-invoice reminders was repetitive manual work. Claude Cowork walked them through setting up an agent that logs in every Monday night, checks overdue accounts receivable and matches customer names against a Google Sheet of contacts. Using Michel's email template, it adds the contact name, invoice number, amount and due date, puts the emails in the Drafts folder and sends Michel a report of which customers were included, what each owes and the totals. Michel reviews the drafts and sends them, saving about an hour every Monday night.
Claude Cowork · Ops · Source date:
- Redline a vendor's standard OEM agreement with Claude for the first three rounds, then have a lawyer do the final checkRecreated promptEvidence: Described by poster
jedberg regularly negotiates OEM agreements with vendors that mostly use the same template and draw the same objections. They tried Claude first, and their lawyer was impressed that it found things the lawyer had missed. jedberg then used Claude to redline that type of contract, and the other side remarked that the lawyer had been surprisingly thorough. The lawyer did the final check and by then basically said it looked good, and jedberg saved a lot of money by doing the first three rounds with Claude.
Claude · Ops · Source date:
- Sort a year of mixed Amazon business purchases into QuickBooks categories with Claude, including the fiddly split transactionsRecreated promptEvidence: Described by poster
badlibrarian runs a business and sometimes buys things on Amazon. At tax time they used to search for the big business items and categorise them in QuickBooks Online until they gave up, using a janky browser plugin and two monitors full of Excel windows. Now Claude does it and doesn't give up, despite QuickBooks being slow. It will even click 19 times to split a transaction because they'd put a router and shampoo in the same Amazon cart one night in February 2025.
Claude · Ops · Source date:
- Have Claude draft replies to a small brand's customer messages, warranty claims included, with a human approving each oneRecreated promptEvidence: Described by poster
idopmstuff runs several small consumer brands. For the most recent one they acquired, customers got in touch through Facebook and Instagram comments and messages as well as email, so they had Claude build an app that pulls those messages in as they arrive and drafts a reply, including any actions needed, for them to edit or send. Their edits feed back into its playbook, and it has got pretty good. It handles warranty claims (ask for a photo of the damage and the order number, create a replacement order, email a confirmation) and most common questions. Every reply is still approved by a human, though they plan to let it handle common cases on its own soon.
Claude · Ops · Source date:
- Get a 0.75% to 12.75% unemployment insurance rate jump fixed retroactively with ChatGPT filing the missing wage reportRecreated promptEvidence: Described by poster
mattmaroon runs a seasonal business and noticed their state unemployment insurance rate had jumped from 0.75% to 12.75%. Instead of hours on the state website and on hold, they asked ChatGPT what had happened. It worked out that they were being charged a penalty rate because their new payroll provider doesn't file wage reports for the one quarter with no wages, and without a report the business counted as delinquent. ChatGPT filed the correct wage report and went to the support site to request a retroactive rewrite, which was granted, saving many thousands of dollars without hitting the 5-hour usage limit.
ChatGPT · Ops · Source date:
- Do a small business's quarterly BAS books from bank, Stripe, PayPal and Wise statements with Claude CoworkRecreated promptEvidence: Described by poster
Sridhar Katakam used Claude Cowork to go through the statements and transactions from several bank accounts, Stripe, PayPal and Wise and prepare business expense and income spreadsheets. Their accountant reviewed them and said they were good enough that Katakam no longer needed the accountant's services for BAS and could file it themselves, a saving of about $530 AUD per quarter. The accountant also suggested having Claude do the same for the whole year, and said the fee for filing the income tax return would come down.
Claude Cowork · Ops · Source date:
- Ask Claude whether to convert an LLC to an S Corp, and miss that NYC taxes make it cost moreRecreated promptEvidence: Described by posterFailureBeginner-friendly
mikeocool asked Claude about converting their LLC to an S Corp. Claude said it was a great idea and estimated how much they would save in taxes. Their accountant said it would actually cost more, because of how New York City taxes S Corps. They hadn't told Claude they lived in NYC, because it didn't occur to them that it mattered. Their takeaway: tax questions are full of details like this, often subtler than where you live.
Claude · Ops · Source date:
- Recreate and resend an urgent client invoice from a phone in a roller coaster queue with ClaudeRecreated promptEvidence: Described by poster
A client called Alper Ortac on a family holiday at Europa Park needing an invoice urgently for their end-of-year accounts. With no laptop, Ortac opened Claude on their phone in a roller coaster queue, attached the last invoice and asked it to recreate it. Claude wrote and ran a Python script that produced a replica of the PDF, then changed the invoice number, billing period and costs as asked. Ortac drafted the email, attached the new invoice and sent it in roughly 20 minutes, right before boarding.
Claude · Ops · Source date:
- Turn a PTA's bank exports into year-end charity accounts in four minutes with ClaudeRecreated promptEvidence: Described by posterBeginner-friendly
Pete Hickerton, chair of their school's PTA, wanted to save the treasurer an evening on the year-end accounts. The job meant exporting bank transactions, categorising everything, reconciling and formatting it for the Charity Commission. They gave the bank exports to Claude, and four minutes later had a set of accounts ready to upload. Claude explained what it had done, flagged where it had checked the formulas and showed the reconciliation. Hickerton and the treasurer went through it looking for errors and found none.
Claude · Ops · Source date:
- Turn a box of 63 crumpled receipts into a QuickBooks batch-upload sheet with Claude CoworkEvidence: Described by posterBeginner-friendly
John Fong had a box of receipts that had sat on their desk for 1.5 years, some crumpled, some with faded ink, and some restaurant meals split across two receipts with the tip on its own. They started a Claude Cowork project called AP Agent, photographed 63 receipts into a folder and asked for an Excel sheet they could batch upload to QuickBooks. They took a shower and 8 minutes later came back to a completed file with every receipt allocated to an account and amount. It flagged 3 receipts it had only partly read, asking them to check those, and 3 that weren't valid expenses under CRA (Canada Revenue Agency) rules.
Claude Cowork · Ops · Source date:
- Run a restaurant's back office through an OpenClaw agent: supplier price-change alerts, invoice uploads and a fairer tip splitRecreated promptEvidence: Described by poster
Christopher Thépot runs restaurant operations in Madrid and spent a month using OpenClaw. The agent answers point-of-sale questions over WhatsApp and combines supplier invoices, sales data, recipes and inventory counts to track waste and what's missing. It flags supplier price spikes; two pricing mistakes caught so far directly affected the P&L. It also pulls supplier invoices from their inbox into the accounting software's scanner, saving one to two hours a week, though they're still fine-tuning that. They used it to design and test a new tip policy in under an hour: 80% stays with the shift and 20% goes to a pool split by hours worked.
OpenClaw · Ops · Source date:
- Build a five-question Google Form with an AI browser agent: Gemini handed it back, Claude finished it (partial)Recreated promptEvidence: Described by posterPartial
Irena Palamani Xhurxhi asked Gemini to build a Google Form. It got partway, then stopped and asked Xhurxhi to take over because it couldn't change the question type in the interface. Xhurxhi gave the same task to Claude in the browser and went back to other work; when they returned, the form was done, with all five questions, correct types, descriptions and required fields. Asked about it, Claude said it had struggled with the same parts, trying clicks, JavaScript workarounds and keyboard navigation, but kept going rather than handing it back.
Gemini, Claude in Chrome · Ops · Source date:
- Turn a photo of a cafe's daily inventory sheet into shopping lists for three suppliers with a custom GPTEvidence: Described by poster
Cole Morgan runs a small cafe with no single major supplier, so they drive to three stores. Staff fill in two paper inventory forms each day and upload them to Slack, and turning those into a checklist for each store took 2-10 minutes. An off-the-shelf OCR tool that worked well cost over $250 a month, and a Python script they had ChatGPT write wasn't accurate enough. So they built a custom GPT, 'C&K Inventory Manager', trained on a spreadsheet of every item and its vendor. Now they upload the sheet photo and get a checkbox list grouped by vendor, ready to paste into Obsidian. It asks about items missing from the sheet, such as whole milk. Accuracy improved with GPT-4o with no change to the instructions, though it sometimes asks too many questions and they have to tell it to just output the list.
ChatGPT · Ops · Source date:
- Stop a runaway cloud bill and win a billing credit with ChatGPT's helpRecreated promptEvidence: Described by posterPartial
A poster says ChatGPT helped them stop a runaway Google Cloud bill, prepare the evidence and, under their supervision, talk to a real Google Cloud support agent. They report a TWD 4,043 credit, with the remaining TWD 883.50 still under appeal.
ChatGPT · Ops · Source date:
- Find a list of missing invoices across work and personal email with ChatGPT agentRecreated promptEvidence: Described by poster
Testing ChatGPT agent, a poster gave it a list of invoices he owed his operations assistant, and he says it found all of them in his personal and work email. He also notes it booked accommodation successfully (they had to contact the hotel to cancel the test booking) and estimates about a 40% end-to-end completion rate on complex tasks for now.
ChatGPT agent · Ops · Source date:
After Copilot suggested a subflow that didn't exist in Power Automate Desktop, the poster asked Claude Cowork, which took over and built the flow on their machine.
Claude Cowork · Ops · Source date:
- Submit a hosting provider bug report from log warnings with Claude in ChromeRecreated promptEvidence: Screenshots or logs
Using the poster's logged-in browser, Claude in Chrome submitted a bug report to DigitalOcean after finding warnings in the logs.
Claude in Chrome · Ops · Source date:
- Split, rename and sort about 200 scanned invoices with Claude CoworkRecreated promptEvidence: Described by poster
After the poster scanned almost 200 invoices, Claude Cowork split them out, renamed them, sorted them into folders and created a summary Excel file.
Claude Cowork · Ops · Source date:
- Find, negotiate and review a small office lease with CodexRecreated promptEvidence: Described by poster
Codex found a 74 sq ft commercial lease near the poster's kids' school, negotiated the terms and reviewed the contract; the poster found it cheaper than a coworking desk.
Codex · Ops · Source date:
- Prepare an Indian income tax return (ITR-3) with Claude CodeRecreated promptEvidence: Described by poster
Given tax documents and a year of bank statements, Claude Code reconciled the figures against the poster's AIS (annual information statement), caught 2 mistakes that could have triggered notices, and computed the tax; the poster then filed.
Poster says:2 mistakes caught
Claude Code · Ops · Source date:
- QA-test a department chatbot and file Jira bugs with Claude Cowork and ChromeRecreated promptEvidence: Screenshots or logs
Using Claude Cowork with the Chrome extension, the poster had it navigate a new chatbot like a user and produce a report of what worked, what needed improvement, bugs, repro steps and fixes; after the poster reproduced the bugs, Claude created Jira tickets assigned to the right teammates.
Claude Cowork, Claude in Chrome · Ops · Source date:
- Reconcile crypto trades across chains and post them to Xero with Claude CodeRecreated promptEvidence: Described by poster
Claude Code tracked on-chain swaps across 10+ assets, produced a monthly gain/loss breakdown with reconciled exchange rates, then built a Xero connection and posted journal entries.
Claude Code · Ops · Source date:
- Match a tax-prep checklist against a receipts folder with Claude CoworkRecreated promptEvidence: Described by poster
The poster says matching a spreadsheet of items for their accountant against a folder of receipts usually took 4–6 hours, and that with Claude Cowork it took about an hour.
Poster says:4–6 hour job done in about an hour
Claude Cowork · Ops · Source date:
- Prepare and file overdue German VAT returns with Claude Cowork and Claude in ChromeRecreated promptEvidence: Shown on video
From a folder of invoice and receipt PDFs, Claude Cowork prepared quarterly accounts; after the poster logged in to the Elster tax portal, Claude in Chrome found, filled and submitted the Q3 2025 VAT forms.
Claude Cowork, Claude in Chrome · Ops · Source date:
- Turn six months of receipts into a categorized spreadsheet with Claude CoworkRecreated promptEvidence: Shown on video
Pointed at a folder, Claude Cowork organized 6 months of receipts into a categorized spreadsheet with monthly breakdowns.
Claude Cowork · Ops · Source date:
- Organize a messy SEO work folder and rename screenshots with Claude CoworkRecreated promptEvidence: Shown on videoBeginner-friendly
Claude Cowork asked how the poster wanted 27 unstructured files organized, created analytics-data, blog-posts and screenshots folders, looked at each screenshot and renamed it by content (e.g. feature-text-to-sql-converter.jpg); the poster says it took about 30 seconds.
Poster says:27 files sorted in about 30 seconds
Claude Cowork · Ops · Source date:
The poster has ChatGPT agent write all their outgoing wire invoices and says it saves 5 minutes three times a week.
Poster says:5 minutes, 3 times a week
ChatGPT agent · Ops · Source date:
- Do year-end bookkeeping and Xero reconciliation with Claude CodeRecreated promptEvidence: Screenshots or logs
Claude Code categorized a folder of receipts, cross-referenced exported bank CSVs against Xero to find duplicates and missing transactions, used the browser extension to report on reconciliation items, and produced a cost-cutting report; the poster says this replaced roughly $2–3K of accounting-firm work.
Poster says:~2–3K accounting-firm fee avoided
Claude Code, Claude in Chrome · Ops · Source date:
- Withdraw about 1,000 old LinkedIn invitations with Perplexity's agentImproved promptEvidence: Described by posterFailure
Perplexity Pro's agent mode kept getting tripped up by LinkedIn's infinite scroll, and when asked to withdraw invitations it was painfully slow and got stuck after about 5; the poster had Perplexity write a Cursor prompt for a Selenium script instead.
Perplexity agent mode · Ops · Source date:
- Complete a 31-step web form: ChatGPT agent vs Perplexity CometImproved promptEvidence: Described by posterPartial
On a 31-step form with buttons, dropdowns and fields, Comet failed after 3–5 steps, while ChatGPT agent completed all 31 and corrected its own mistakes by checking against the steps.
ChatGPT agent, Perplexity Comet · Ops · Source date:
- Summarize a 10-page lease renewal before signing with GrokRecreated promptEvidence: Screenshots or logs
An X user says that to renew an office lease with the landlord, they asked Grok to summarize the 10+ pages of legal terms instead of going over them with an attorney, and it took less than 30 minutes to fully review the details themselves. The post includes a screenshot of Grok's summary of the shopping-center lease amendment, covering the term extension and rent schedule.
Grok · Ops · Source date:
- Enter retail-arbitrage receipts into a spreadsheet with Claude CoworkRecreated promptEvidence: Described by poster
Claude Cowork weekly processes a folder of RA receipts into a spreadsheet with buy cost, store and item; the poster still double-checks but says admin time is way down.
Claude Cowork · Ops · Source date:
- Draft government-solicitation proposals in 25 minutes with n8n AI workflowsRecreated promptEvidence: Company case study
According to n8n's case study, Field Aerospace's self-hosted n8n AI workflows bring a proposal draft that used to take about two weeks of work from three or four people to an 80% starting point in roughly 25 minutes, and replaced two legacy tools, eliminating approximately $30,000 in annual software costs (the case study's headline gives $22,000 a year).
According to n8n:Proposal time cut from 2 weeks to 25 minutes
n8n (AI-powered workflows) · Ops · Source date:
- Build a weekly business KPI dashboard workflow with Claude Code + n8nRecreated promptEvidence: Article or interview
Claude Code built a complex n8n workflow for a client's weekly KPI dashboard in about 15 minutes; the workflow then runs unattended on n8n.
Claude Code, n8n · Ops · Source date:
- Auto-coach sales reps from call recordings with Zapier AgentsRecreated promptEvidence: Company case study
According to Zapier's customer story, Healthie's call-summary and coaching agents save each of about 20 reps and CSMs 2–3 hours a week, more than 60 hours a week across the team.
According to Zapier:60+ hours a week saved
Zapier Agents · Ops · Source date:
- Sort and rename messy invoices for taxes with Claude CodeRecreated promptEvidence: Article or interview
Claude Code reads each file in a messy invoice folder, renames it to 'YYYY-MM-DD Vendor - Invoice - ProductOrService.pdf' and files it in the right folder.
Claude Code · Ops · Source date:
- Categorize 419 ledger transactions into an Excel template with ChatGPT agentRecreated promptEvidence: Screenshots or logs
Given an Excel ledger template and 419 transactions, ChatGPT agent asked for help on ambiguous merchants, then keyed in all ~400 rows and took 4 minutes.
Poster says:Done in 4 minutes
ChatGPT agent · Ops · Source date:
- Allocate a 30-employee payroll journal across departments with ChatGPT agentRecreated promptEvidence: Screenshots or logs
ChatGPT agent mapped a payroll CSV into a 30-employee allocation spreadsheet across 6 departments, making 180 entries and summing employer-paid columns in under 4 minutes.
Poster says:180 entries in under 4 minutes
ChatGPT agent · Ops · Source date:
ChatGPT agent filled an accelerator application using the poster's context and chat memory; the poster rated it 8/10, and also had it research vendors into a spreadsheet (7/10).
ChatGPT agent · Ops · Source date:
- Diagnose a Kubernetes pod-scheduling outage with Claude CodeRecreated promptEvidence: Company case study
Anthropic's Data Infrastructure team gave Claude Code dashboard screenshots, and it traced the problem to pod IP exhaustion and supplied the commands to add a new IP pool; Anthropic says this saved about 20 minutes during an outage.
According to Anthropic:20 minutes saved during an outage
Claude Code · Ops · Source date:
- Three-way match purchase orders against delivery and invoice docs with ChatGPT agentRecreated promptEvidence: Screenshots or logs
In about 4 minutes ChatGPT agent checked that all 5 POs had matching delivery and invoice documents with no variances, combined the PDFs, and wrote a short report.
Poster says:Done in around 4 minutes
ChatGPT agent · Ops · Source date: