Mattsson fbe4e18730 feat(mcp): book on custom accounts via account_override; fix kontoplan settings link (#1608)
* feat(mcp): book on custom accounts via account_override; fix kontoplan settings link

gnubok_categorize_transaction only spoke a 19-category enum mapping to 21
hardcoded BAS accounts, so company-custom accounts (e.g. VMB) were
unreachable from the agent surface even when active in the chart.

- add account_override to gnubok_categorize_transaction with v1 REST
  semantics via a shared helper (lib/bookkeeping/account-override.ts):
  business-side replacement, class-2 auto-VAT drop with the 2610-2649
  moms-line exception, plus a same-account degenerate guard; validated at
  staging and re-validated at commit
- align the gnubok_create_voucher staging gate with the engine's seeding
  semantics: BAS 2026 accounts merely absent from the chart pass (the
  engine backfills them at commit) and the preview lists
  will_activate_accounts with BAS-name fallback; non-BAS unknown and
  inactive accounts still rejected
- stop suggest_categories silently dropping mapping rules whose account
  is outside the fixed category maps; they surface with the rule's own
  account and an explanatory match_reason
- correct the create_account next-step hint (categorize could never use
  the new account before; now true via account_override)
- point the settings "Kontoplan (BAS)" link at /chart-of-accounts and
  redirect the orphaned /bookkeeping?tab=accounts URL (tab removed in
  #850; the deep link never worked after the #854 merge collision)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

* fix(mcp): address review findings on account_override

- commit executor rejects a present-but-malformed stored account_override
  loudly instead of degrading to the category default (CodeRabbit major;
  the approver approved a preview showing the override account); with
  commitPendingOperation regression tests
- accountToCategory returns null for unknown income accounts so custom
  income accounts get the same diagnostic as expenses (CodeRabbit minor),
  with income + reason-accumulation tests (CodeRabbit nit)
- pin the class-2 VAT-drop balance invariant with a test through
  buildTransactionEntryLines (Swedish compliance review: gross booking,
  never an unbalanced net + missing VAT leg)
- account_override description asks the agent to state the actual
  affärshändelse in notes when overriding (BFL 5 kap description concern)
- eventBus.clear() in the two new test suites (CodeRabbit minor)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

* fix(mcp): never guess a moms leg onto an account_override without explicit VAT intent

Round-2 Swedish compliance finding: the class-2 VAT drop did not cover
margin-scheme (VMB) accounts in class 3/4, which are the override's
flagship use case, so a forgotten vat_treatment attached the category
default standard_25 and booked an ingående-moms deduction on a
transaction where input VAT is not deductible (ML 2023:200).

applyAccountOverride now takes explicit VAT intent (vat_treatment or
vat_amount present) and books GROSS with no auto-VAT line without it:
forgetting the flag under-deducts (lawful), never over-deducts. Both
call sites (MCP staging preview, commit core) derive the flag the same
way; the tool description states the enforced behavior. Deliberate
divergence from v1 REST recorded in DECISIONS.md.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

* chore: move stray decision-log entry to the root DECISIONS.md

The round-2 entry was appended from the wrong working directory and
landed as lib/bookkeeping/__tests__/DECISIONS.md.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

---------

Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
2026-08-14 01:24:48 +02:00
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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.

License: AGPL-3.0-or-later Core Build pg-real tests Docker

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

Community

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.

S
Description
Accounted — svensk bokföringsmotor (AGPL, BAS 2026, BFL-compliant, 150+ MCP tools). Finance-kapacitet brevet ERPNext. ADR-ENGAGEMENT-001-tillägg.
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