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bookkeeping-close

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Runs small and midsize business bookkeeping operations - categorizes bank and card transactions to a chart of accounts, reconciles a bank or card statement against the ledger, works a month-end close checklist, and produces a close package for the accountant. Works from QuickBooks Online, Xero, bank CSV/OFX, or Mercury exports, and from the Xero, QuickBooks, or Mercury connectors when present. Use it whenever the user says "reconcile", "bank rec", "categorize transactions", "month end close", "close the books", "books don't match the bank", "reconciliation is off by", "uncategorized expenses", or shares a QuickBooks or Xero export or a bank statement CSV, even if they do not name the task. Never plugs a difference; every unreconciled dollar is explained or listed.

bookkeeping-close/SKILL.md

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Local scripts
Last checked
Nov 10, 2026

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425
Repository last updated
Oct 20, 2026
License
MIT

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# Bookkeeping Close

A reconciliation proves that the books and the bank agree once timing is accounted for. Models get this wrong in predictable ways: they flip signs, treat an uncleared check as an error, count a transfer between the business's own accounts as income, miss a transaction imported twice, and force the rec to zero with an adjustment. This skill exists to prevent each of those. The deterministic matching lives in `scripts/reconcile.py`; the judgment lives here.

Scope: bookkeeping, not tax. When an item has a tax consequence (capitalize vs expense, owner draws vs wages, sales tax, 1099 status, meals deductibility), record the bookkeeping fact and put it on the accountant list. Do not give tax advice.

## Inputs to collect

For each account being reconciled (checking, savings, each credit card, loan, payment processor clearing):

1. Statement for the period: ending date, beginning balance, ending balance. Take the balances from the statement itself, not from the feed, because feeds can be incomplete.
2. Statement lines: bank CSV/OFX, Mercury export or `listTransactions`, or the platform's statement lines.
3. Ledger for the same account: QBO register or Transaction Detail by Account, Xero Account Transactions. Export from the date of the oldest uncleared item, not the period start, so prior-period outstanding checks can clear.
4. Book balance at period start or end for that account.
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