Accounting built from the ground up around AI.

Ask your AI to explain it

explain irisbooks.io/start

Free local use. No sign-up required.
Online features are invite-only.

~/IrisBooks

Show my net worth, business and personal combined.

$ iris networth movers \
--as-of 2026-10-10 --compare 2026-09-30 \
--books-dir ~/IrisBooks
"currTotal": 11271200,
"deltaMinor": 170400,
"movers": [{ "unit": "SP500", …

Business and personal combined: ¥11,271,200, up ¥170,400 since September 30.

What moved

S&P 500 fund (NISA) Unit price +2.3%
+¥96,600
Cash balances Across business and personal accounts
+¥45,000
USD deposit FX revaluation
+¥28,800
~/IrisBooks/studio-2026

Make the monthly sales and purchases table for my blue-form return.

$ iris overlay recipe jp.aoiro-monthly \
--set from=2026-01-01 \
--set to=2026-09-30 \
--json --write filings/jp.aoiro-monthly.md
"figures": {
"sales_03": 610000,
"purchases_03": 98000,
…
}

Done for January to September: sales ¥4,580,000, purchases ¥612,000.

Recorded in filings/jp.aoiro-monthly.md with provenance.

Sync your books. Review on the web. Keep change history.

Optionally connect Remote MCP to check your books with AI on the go.

Request an invite on Discord

Sync is free and invitation-only. Local use needs no account or invitation.

Overview

Example Studio 2026-01-01 – 2026-09-30

3 drafts Profit & LossBalance SheetTrial Balance
Revenue
¥4,820,000
Expenses
¥2,747,400
Net Income
¥2,072,600

Profit & Loss Flow

Total revenue Sales Other income Net income Purchases Outsourcing Rent Travel Telecom Supplies Other

See what your assets are worth, what you paid, and your unrealized gain or loss.

Net Worth

Overall net worth · Business + personal

¥11,271,200

+¥170,400 (+1.5%) vs last month

As of 2026-10-10

Asset valuation
¥6,103,800
Acquisition cost
¥5,240,000
Unrealized gain / loss
+¥863,800

Investments and foreign currency; cash and book-value assets excluded.

Asset valuation and acquisition cost

Shaded area: Acquisition cost

~/IrisBooks/studio-2026

Did you record the receipts I forwarded?

$ iris sync
pulled raw/email/2026-10/8c2f6a9e4b1d7c30/email.md
pulled raw/email/2026-10/8c2f6a9e4b1d7c30/receipt.pdf
…
$ iris validate
OK: 80 journal(s), 4 note(s)

Three emails came in. I drafted two; the third isn't a receipt, so I left it.

  • 10/08 Amazon Supplies ¥3,980 Draft
  • 10/09 JR East Travel ¥1,520 Draft
  • 10/09 Seminar invitation Not a receipt Not recorded

Once you've checked them, I'll post them.