Monday, October 12, 2026

5 More AI Prompts to Steal: The Month-End Edition

 


It's Monday. September's close is (hopefully) done, October's is already waving at you from the 31st, and somewhere a client is about to ask what "ACH DEBIT MISC 0093" was.

Friday's five prompts were a hit, so here are five more. This time they're all about the part of the month nobody posts on Instagram: the close.

They work with any LLM: ChatGPT, Claude, Gemini or Copilot, including the free versions. Use whichever one is already open. I'm still not judging your tabs.

Same rule as always: nothing goes into AI that you wouldn't put on a postcard. No Social Security numbers, no EINs, no account numbers, no full client names. Totals, initials and made-up examples only. Month-end makes everyone tired, and tired is when people paste things they shouldn't.

Prompt 1: The Reconciliation Exception Note

You've got six unmatched items and a client who reads email on their phone at red lights. This turns your list into questions they can actually answer.

Copy this:

Act as a friendly bookkeeper. I'm reconciling a client's [ACCOUNT TYPE, e.g. business checking] for [MONTH]. Here are the unmatched items, with date, amount and the description from the statement: [PASTE LIST, no account numbers]. Turn them into a short email to the client: one plain-English question per item, grouped by "I need a receipt" and "I need to know what this was," with a reply-by date of [DATE]. Keep it under 150 words and make it easy to answer from a phone.

Why it works: clients answer questions. They ignore spreadsheets. Six specific questions get six answers; one attachment called "recon_exceptions_FINAL_v3" gets a thumbs-up emoji.

Prompt 2: The "What's This Charge?" Reply

Every month, someone asks about a fee, a charge or a line on your invoice. This writes the calm, clear answer, so you don't write the slightly-too-honest one.

Copy this:

Write a short, warm reply to a client who asked about [THE CHARGE OR LINE ITEM, e.g. a $35 bank fee / a catch-up fee on my invoice]. Here are the facts: [WHAT IT IS AND WHY IT HAPPENED]. Explain it in 3 to 4 plain sentences, say what they can do to avoid it next time (if anything), and end on a friendly note. No jargon, no apologizing for things that aren't my fault.

Why it works: it keeps the facts in and the frustration out. You stay the calm professional, even on the third "quick question" of the morning.

Prompt 3: The Month-End Close Checklist Builder

Every client closes a little differently. This builds a checklist that fits the business, so you're not working from memory at 9 p.m.

Copy this:

I'm a bookkeeper closing the books for a [TYPE OF BUSINESS, e.g. landscaping company with 2 employees] for [MONTH]. They use [SOFTWARE, e.g. QuickBooks Online] and have these accounts: [LIST ACCOUNT TYPES, e.g. 1 checking, 1 credit card, 1 loan, payroll through a provider]. Build a month-end close checklist in the order I should do it, with a column for "done" and a column for "waiting on client." Flag anything that's commonly missed for this type of business.

Why it works: the "commonly missed" line is the secret ingredient. It's the coworker who says "did you check the loan interest?" before the client's CPA does.

Prompt 4: The Adjusting Entry Explainer

You know why you booked it. Future-you, or the client's CPA in April, might not. This writes the memo while it's fresh.

Copy this:

I'm recording an adjusting journal entry for [MONTH]. Here's what happened: [DESCRIBE IT IN PLAIN WORDS, e.g. client prepaid 12 months of insurance for $2,400 in January]. Suggest the journal entry (accounts and amounts), then write a 2-sentence memo for the entry and a 1-paragraph note for the workpaper file explaining why it was booked. I'll review and adjust before posting.

Why it works: it suggests, you decide. And "I'll review before posting" is right there in the prompt, which is exactly how AI should be used on the books.

Prompt 5: The Month-End Wrap-Up Email

The close is done. Tell the client in a way that makes you look as organized as you actually are.

Copy this:

Write a short month-end email to a small business client. The books for [MONTH] are closed. Here are the highlights: revenue [AMOUNT], expenses [AMOUNT], net income [AMOUNT], cash at month end [AMOUNT]. Still needed from them: [LIST, or "nothing"]. Write it in 4 short parts: "Done," "The quick numbers," "What I need from you," and "What's next." Friendly, under 150 words, no jargon.

Why it works: it's the email that gets you referrals. Clients don't brag about their bookkeeper's reconciliations. They brag about the bookkeeper who tells them what's going on.

Here's the catch (still)

You'll type these again next month. And the month after. That's the difference between a prompt and an agent: an agent is a prompt that's been built properly, checked against a standard and set up to run the same way every time, so you're not retyping it at 9 p.m. on the 31st.

If these five helped, here's how to go further:

  1. Start with the FREE AI Skills Black Belt. Nine belts on using AI in the work you already do, about 30 minutes a day, self-paced, and yours for life once you sign up. For accountants and bookkeepers. For every other business.
  2. Claim a FREE AI agent and see what a prompt looks like once it's been built into a real tool. Claim your FREE agent.
  3. Three days left: through Thursday, October 15, you can get AI Agent Black Belt (Builder) and AI Role OS Black Belt (Operating Systems) together for $1,000, half the usual $1,000 each. Builder teaches you to turn prompts like these into agents. Role OS turns your agents into a monthly rhythm, so the close runs the same way every time. Get both for $1,000.

Missed Friday's five? Steal those too: the receipt chaser, the plain-English summary, the "POS DEBIT 4471" decoder and more.

And if you own your practice, here's something for your clients: two gifts to make their company AI-Native, compliments of Legacy SBC (AIA). One free year of the AI Skills Black Belt for their whole team, and a free first year in the AI-Native Executive Peer Group for their executives. Share this page with them.

Tell me which one you used

Try one today and tell me in the comments. Bonus points for the strangest bank description you've ever had to decode. Current leader: "MISC DEBIT ADJ REF" for $0.03. Nobody knows. Nobody will ever know.

On the fence about any of it? Grab 15 minutes with me, no pitch, just your questions.

Happy close. Go steal some prompts.

Where to start

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