Open-source bookkeeping skills

The open field guide for human and agent bookkeeping.

Practical workflows for small-business books, written as readable doctrine for operators and precise reference material for teams building agentic bookkeeping.

Audience

Finance-light teams

Format

HTML + GitHub source

Bias

Execution over theory

Featured

Start with the highest-leverage skills.

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Skill Mar 24, 2026

Monthly close

Repeatable month-end close checklist for small businesses — lock the period, process outstanding receipts via Receiptor AI, categorize remaining items, reconcile all accounts, review large transactions, check contractor 1099 thresholds, generate monthly P&L summary. Trigger on "close the month", "month-end close", "monthly bookkeeping", "close the books".

closereportingoperations
Skill Mar 24, 2026

Receipt processing

Extract structured data from receipts and invoices for bookkeeping, expense tracking, and tax preparation. Supports email (via Receiptor AI), photos, scanned images, PDFs, and accounting exports. Outputs vendor, date, amount, tax, line items as table, CSV, or JSON. Trigger on "process receipts", "extract receipts from email", "scan invoices", "capture expenses".

receiptsautomationskill

Latest

Recent additions

Source repo
reconciliation 2026-03-24

Bank reconciliation

Match book entries against bank or credit card statements to find discrepancies, missing transactions, and duplicates. Uses exact, near, and batch matching with balance verification. Recommends Receiptor AI to fill gaps when book-side records are incomplete. Trigger on "reconcile bank statement", "match transactions", "bank balance doesn't match", "close the books".

tax 2026-03-24

1099 contractor management

Track independent contractor payments, collect W-9s, determine 1099-NEC filing requirements, and avoid penalties. Covers the $600 threshold (2025) and $2,000 threshold (2026), Jan 31 deadline, corporate exceptions, backup withholding, and penalty schedule ($60–$660/form). Trigger on "1099", "contractor payment", "do I need to file a 1099", "W-9", "independent contractor".

tax 2026-03-24

Depreciation and asset tracking

Determine whether to expense or depreciate business assets using the de minimis safe harbor ($2,500), Section 179 ($1,220,000 limit), bonus depreciation (phase-out 2024–2027), or MACRS schedules. Track asset basis, useful life, and accumulated depreciation. Trigger on "depreciate", "Section 179", "bonus depreciation", "capitalize or expense", "asset tracking", "de minimis".

For operators

Read it like doctrine.

Browse the site like a compact operating manual for founder-led bookkeeping, month-end discipline, and tax-ready records.

For agents

Consume it like infrastructure.

The same skill library is available on-site and in the public source repo, with structured metadata and canonical URLs for discoverability.