Ekwo OS — open source accounting: ledger, invoices and VAT on your own Supabase or Postgres MCP Server
API key requiredDouble-entry books an agent keeps as the user: invoices, VAT returns, 174 country packs.
To add Ekwo OS — open source accounting: ledger, invoices and VAT on your own Supabase or Postgres to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 9 environment variables, listed below.
Install
npx -y @ekwo-ai/mcp@0.24.0Environment variables
SUPABASE_URLSet in your MCP configSUPABASE_ANON_KEYSet in your MCP configEKWO_EMAILSet in your MCP configEKWO_PASSWORDSet in your MCP configEKWO_ACCESS_TOKENSet in your MCP configEKWO_DB_URLSet in your MCP configEKWO_ACT_AS_USER_IDSet in your MCP configEKWO_EINVOICE_DIRECTORYSet in your MCP configEKWO_AGENT_POSTINGSet in your MCP configInstall with your client
claude mcp add ekwo-os-open-source-accounting-ledger-invoices-and-vat-on-your-own-supabase-or-postgres --env SUPABASE_URL=<YOUR_SUPABASE_URL> --env SUPABASE_ANON_KEY=<YOUR_SUPABASE_ANON_KEY> --env EKWO_EMAIL=<YOUR_EKWO_EMAIL> --env EKWO_PASSWORD=<YOUR_EKWO_PASSWORD> --env EKWO_ACCESS_TOKEN=<YOUR_EKWO_ACCESS_TOKEN> --env EKWO_DB_URL=<YOUR_EKWO_DB_URL> --env EKWO_ACT_AS_USER_ID=<YOUR_EKWO_ACT_AS_USER_ID> --env EKWO_EINVOICE_DIRECTORY=<YOUR_EKWO_EINVOICE_DIRECTORY> --env EKWO_AGENT_POSTING=<YOUR_EKWO_AGENT_POSTING> -- npx -y @ekwo-ai/mcp@0.24.0
Run this in a terminal to add the server to Claude Code.
What this does
Ekwo OS — open source accounting: ledger, invoices and VAT on your own Supabase or Postgres exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
SUPABASE_URL SUPABASE_ANON_KEY EKWO_EMAIL EKWO_PASSWORD EKWO_ACCESS_TOKEN EKWO_DB_URL EKWO_ACT_AS_USER_ID EKWO_EINVOICE_DIRECTORY EKWO_AGENT_POSTING
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install Ekwo OS — open source accounting: ledger, invoices and VAT on your own Supabase or Postgres?
Run the Claude Code command in the install section to add Ekwo OS — open source accounting: ledger, invoices and VAT on your own Supabase or Postgres to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with Ekwo OS — open source accounting: ledger, invoices and VAT on your own Supabase or Postgres?
This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to Ekwo OS — open source accounting: ledger, invoices and VAT on your own Supabase or Postgres as well.
Does Ekwo OS — open source accounting: ledger, invoices and VAT on your own Supabase or Postgres need an API key?
Yes. Before it can run, set these environment variables: SUPABASE_URL, SUPABASE_ANON_KEY, EKWO_EMAIL, EKWO_PASSWORD, EKWO_ACCESS_TOKEN, EKWO_DB_URL, EKWO_ACT_AS_USER_ID, EKWO_EINVOICE_DIRECTORY, EKWO_AGENT_POSTING. They go in the env block of your MCP config.
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