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Phase 2a quarantined four defects rather than guessing at Swedish accounting. Each is now resolved against a domain source. KNOWN_BROKEN is empty. Löneutbetalning could never post. It debited 2710 @0.3 + 2920 @0.12 + 7010 @1.0 against a single 1.0 credit, totalling 1.42x the amount, so the balance trigger would reject every entry built from it. Rebuilt per the swedish-payroll skill: Debit 7010 gross, Credit 2710 tax, Credit 1930 net. The 2920 semesterlöneskuld line is gone because vacation accrual is its own verifikat (7290/2920), and a legal_note now says the 30% split is schablon and must be adjusted to the actual skatteavdrag. Periodiseringsfond avsättning/återföring referenced account 2113. Per swedish-year-end-closing the year-tagged block is 2120-2129 (2126 = tax year 2026), so 2113 was the fund for tax year 2013: long since reversed and absent from BAS 2026. Both now use 2110 Periodiseringsfonder, which does not rot annually, with a legal_note pointing at the year-tagged accounts for a company that tracks funds per year. Preliminär F-skatt (EF) turned out to be RIGHT, and the reference was wrong. Account 2012 "Avräkning för skatter och avgifter" was simply missing from lib/bookkeeping/bas-data (the file jumps 2011 -> 2013), while the swedish-year-end-closing skill uses it in two places as an enskild firma equity sub-account. That is not cosmetic: account-backfill.ts only seeds accounts present in BAS_REFERENCE, so any entry touching 2012 failed with AccountsNotInChartError. Added it with the equity SRU code its siblings share, and a description separating it from 1630, which carries a confusingly similar name on the asset side. The port test now distinguishes deliberate divergence from accidental drift: a pack not listed in INTENTIONAL_DIVERGENCES must still match the seeded JSONB exactly, and a listed pack must actually differ, so neither an unnoticed edit nor a stale entry can survive. Co-authored-by: Jakob Wennberg <311770904+jakobwennberg-oss@users.noreply.github.com> Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
Accounted
Open-source Swedish accounting software for sole traders (enskild firma) and limited companies (aktiebolag). Double-entry bookkeeping that complies with Swedish accounting law, built to be operated by you or by your AI agent.
Website · Hosted app · Documentation
Why Accounted?
Compliant by construction. Accounted implements double-entry bookkeeping under Swedish accounting law (Bokföringslagen). Voucher immutability, sequential voucher numbering, period locks, and 7-year document retention are enforced by database triggers, not by convention. Corrections are made the legal way, with reversal entries (storno), never by editing history. See ARCHITECTURE.md for how.
Agent-native. The full bookkeeping engine is exposed as 100+ MCP (Model Context Protocol) tools with scoped API keys, so an AI agent can do the books in Accounted: categorize transactions, draft vouchers, reconcile periods, and prepare declarations. Posting is staged for human approval, so the agent proposes and you decide.
Yours to run. AGPL-3.0 licensed and fully self-hostable with Docker and Supabase. Use the hosted version at app.gnubok.se or run your own.
Features
- Double-entry bookkeeping -- BAS 2026 chart of accounts, draft/commit workflow, sequential voucher numbering
- Invoicing -- Create, send, and track invoices with mixed VAT rates and PDF generation
- Bank reconciliation -- PSD2 bank connection via Enable Banking, 4-pass automatic matching
- VAT declaration -- SKV 4700 form mapping, per-rate breakdown, EU/export handling
- Tax reports -- NE-bilaga, INK2, SRU export for Skatteverket
- Payroll -- Salary runs, payslips, and AGI (arbetsgivardeklaration) employer declarations
- Supplier invoices -- Registration, payment tracking, input VAT deduction
- Document archive -- SHA-256 integrity, 7-year retention enforcement, full archive ZIP export
- SIE import/export -- Standard Swedish accounting interchange format
- Agent access (MCP) -- 100+ bookkeeping tools over the Model Context Protocol, with scoped API keys and staged approvals
- Extension system -- Opt-in plugins for AI categorization, receipt OCR, email, calendar, and more
Self-Hosting
git clone https://github.com/erp-mafia/accounted.git
cd accounted
./setup.sh # Prompts for Supabase credentials, generates .env
docker compose up -d
You need a Supabase project and must apply the database migrations before first use. See docs/SELF-HOSTING.md for the full step-by-step guide, including Supabase setup, auth configuration, optional features (AI, email, push notifications), and troubleshooting.
Development Setup
Prerequisites: Node.js 20+, a Supabase project.
npm install
npm run dev # Start dev server (auto-generates extension registry)
npm test # Run tests
npm run build # Production build
npm run lint # ESLint
See CONTRIBUTING.md for the full development workflow.
Tech Stack
- Framework: Next.js 16 (App Router), React 19, TypeScript (strict)
- Database: Supabase (PostgreSQL + Row Level Security + email/password auth + TOTP MFA)
- Styling: Tailwind CSS 4 + shadcn/ui
- Integrations: Enable Banking (PSD2), Anthropic SDK, LangChain, OpenAI, Resend, JSZip
Documentation
- User and API documentation -- Guides for using the product and the public API
- ARCHITECTURE.md -- How the system is built: bookkeeping engine, legal enforcement, tenancy, extensions, agent surface
- docs/SELF-HOSTING.md -- Full self-hosting guide (Docker, Supabase setup, migrations, optional features)
- docs/EXTENSIONS.md -- Extension development guide
- docs/DOCKER.md -- Docker deployment reference
- CONTRIBUTING.md -- Development workflow, code style, pull request process
- SECURITY.md -- Vulnerability reporting policy
Community
- Found a bug or have an idea? Open an issue
- Security vulnerabilities: see SECURITY.md, never a public issue
- Everyone interacting in the project is expected to follow the Code of Conduct
Contributing
Contributions are welcome. See CONTRIBUTING.md for the full guide.
All commits require a DCO sign-off (git commit -s).
License
AGPL-3.0-or-later with an extension exception: third-party extensions that interact solely through the documented Extension API may be licensed under any terms, including proprietary. See LICENSE for details and NOTICE for third-party attributions.