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Ekwo OS — open source accounting: ledger, invoices and VAT on your own Supabase or Postgres MCP server

online · 100% uptime
by ekwo.ai·ai.ekwo/mcp·v0.24.0·41 stars
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Double-entry books an agent keeps as the user: invoices, VAT returns, 174 country packs.

A98/100grade A
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Safety scan
A98/100

full report

Adoption
Established

41 stars2.1k downloads/wk

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Ekwo OS — open source accounting: ledger, invoices and VAT on your own Supabase or Postgres tools

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Public scan report

scanner v0.1.10 · 2026-11-01 · same rubric, same numbers if you re-run it

no findings
  • Code scan33 source files scanned25/25
  • Live reliabilityremote reachable in 196ms (auth required)20/20
  • –Tool poisoningtools not inspected (endpoint requires auth); not countedn/a
  • Auth qualityOAuth resource metadata advertised on 40115/15
  • Maintenancelast push 1 days ago15/15
  • Maintainer identityendpoint served from the registry-verified namespace domain8/10
Overall 98/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Ekwo OS — open source accounting: ledger, invoices and VAT on your own Supabase or Postgres compares

Against every graded Databases MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
98/100
higher than 99% of 802 Databases servers
Uptime
100%
of our recent checks; the typical remote Databases server answers 100%
Response time
459 ms
faster than 24% of 293 Databases servers
GitHub stars
41
more than 87% of 604 Databases servers
Downloads a week
2,111
more than 95% of 411 Databases servers with a package

Release history: 10 versions in the registry since 2026-09-22, latest 2026-10-28, typically one every 3 days.

Install Ekwo OS — open source accounting: ledger, invoices and VAT on your own Supabase or Postgres in Claude Code, Cursor or VS Code

claude mcp add --transport http mcp https://mcp.ekwo.ai/mcp
Add to Cursor

What the publisher says

From the Ekwo OS — open source accounting: ledger, invoices and VAT on your own Supabase or Postgres repository's README, as published. We do not edit it. Read it on GitHub

Ekwo OS

Ekwo OS is free and open source data infrastructure for accounting, finance and tax, under AGPL-3.0: a schema, the rules of each country as data, and tools, for businesses and their accountants. Install it on your own Supabase project and own your accounting data, forever. It is software — not an accounting firm, and not accounting, tax or financial advice (DISCLAIMER.md). Built and maintained by Ekwo. A fully managed edition — your own instance, operated for you, with the AI agents you configure acting on your instructions — is available at ekwo.ai.

An empty Supabase project to a prepared VAT return, for two countries side by side, with the published ekwo-os 0.5.0. How it was recorded, and a longer cut: docs/demo/.

Try it on your own books. Already using Claude? Start with Claude goes from a free Supabase project to your own books taken over, questioned and your next VAT return prepared — Claude Desktop or Claude Code, no web interface, about twenty minutes.

Why Ekwo

The long version — financial autonomy for every business, accounting as a

commons, a network rather than a vendor — is in MANIFESTO.md.

Accounting software has settled into two shapes, and both take something from you. The SaaS keeps your books on its servers, behind its API and its price list, and leaving means exporting a PDF. The open-source ERP gives you the code but keeps the parts that save time — bank feeds, automatic matching, invoice recognition — for the paid edition and a network of integrators.

Ekwo is built on a different premise: the data belongs to the business, and the work of keeping the books can be done by software that the business also owns. So the whole accounting core is open, the data sits in a Postgres database that you control, and the interface is designed for machines as much as for people. A REST API and an OpenAPI description come free with Supabase, and an MCP server sits on top of them, so an AI agent can book a purchase, match a payment, prepare a VAT return or produce a FEC on your own data — as you, under your own row level security, without the data ever leaving your account.

What we are building, in order:

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Grade history

  • 2026-11-01restoreB → Ascore 98

Ekwo OS — open source accounting: ledger, invoices and VAT on your own Supabase or Postgres: common questions

Is Ekwo OS — open source accounting: ledger, invoices and VAT on your own Supabase or Postgres MCP server safe?
Yes, by our scan: it is graded A (98/100). Read the Ekwo OS — open source accounting: ledger, invoices and VAT on your own Supabase or Postgres safety report
How do I install Ekwo OS — open source accounting: ledger, invoices and VAT on your own Supabase or Postgres?
It runs remotely at mcp.ekwo.ai. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
Does Ekwo OS — open source accounting: ledger, invoices and VAT on your own Supabase or Postgres need an API key?
No key to paste: it signs you in with OAuth when your client connects.
Is Ekwo OS — open source accounting: ledger, invoices and VAT on your own Supabase or Postgres maintained?
The last commit was 14 days ago (2026-11-01). The latest release is v0.24.0.
Is Ekwo OS — open source accounting: ledger, invoices and VAT on your own Supabase or Postgres up?
100% of our last 28 checks got an answer. We check remote servers about four times a day.
What can I use instead of Ekwo OS — open source accounting: ledger, invoices and VAT on your own Supabase or Postgres?
Servers from other publishers that do the same job: PostgreSQL MCP server, Supabase MCP server and Appwrite MCP server.
How does Ekwo OS — open source accounting: ledger, invoices and VAT on your own Supabase or Postgres compare with other Databases MCP servers?
safety score 98/100 (higher than 99% of 802 Databases servers); uptime 100% (of our recent checks; the typical remote Databases server answers 100%); response time 459 ms (faster than 24% of 293 Databases servers). Full comparison.

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