AI for business operations: 47 real cases with prompts

Find, negotiate and review a small office lease with Codex

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.

Prepare an Indian income tax return (ITR-3) with Claude Code

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

QA-test a department chatbot and file Jira bugs with Claude Cowork and Chrome

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.

Reconcile crypto trades across chains and post them to Xero with Claude Code

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.

Match a tax-prep checklist against a receipts folder with Claude Cowork

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

Prepare and file overdue German VAT returns with Claude Cowork and Claude in Chrome

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.

Turn six months of receipts into a categorized spreadsheet with Claude Cowork

Pointed at a folder, Claude Cowork organized 6 months of receipts into a categorized spreadsheet with monthly breakdowns.

Organize a messy SEO work folder and rename screenshots with Claude Cowork

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

Write outgoing wire invoices with ChatGPT agent

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

Do year-end bookkeeping and Xero reconciliation with Claude Code

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

Withdraw about 1,000 old LinkedIn invitations with Perplexity's agent

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.

Complete a 31-step web form: ChatGPT agent vs Perplexity Comet

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.

Summarize a 10-page lease renewal before signing with Grok

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.

Enter retail-arbitrage receipts into a spreadsheet with Claude Cowork

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.

Draft government-solicitation proposals in 25 minutes with n8n AI workflows

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

Build a weekly business KPI dashboard workflow with Claude Code + n8n

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.

Auto-coach sales reps from call recordings with Zapier Agents

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

Sort and rename messy invoices for taxes with Claude Code

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.

Categorize 419 ledger transactions into an Excel template with ChatGPT agent

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

Allocate a 30-employee payroll journal across departments with ChatGPT agent

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

Fill an accelerator application with ChatGPT agent

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).

Diagnose a Kubernetes pod-scheduling outage with Claude Code

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

Three-way match purchase orders against delivery and invoice docs with ChatGPT agent

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