MCP server

Billomat MCP by usefulapi

io.usefulapi/billomat

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Read Billomat clients, invoices, offers, credit notes, reminders; create clients and draft invoices.

Website Source

At a glance

Type

MCP server

Publisher

usefulapi.io (verified by the MCP Registry)

Status

Working at last check

Tools

34

Token cost

About 13,005 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http billomat https://billomat.usefulapi.io/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.billomat]
url = "https://billomat.usefulapi.io/mcp"

Gemini CLI

{"mcpServers":{"billomat":{"httpUrl":"https://billomat.usefulapi.io/mcp"}}}

Cursor

{"mcpServers":{"billomat":{"url":"https://billomat.usefulapi.io/mcp"}}}

VS Code

{"servers":{"billomat":{"type":"http","url":"https://billomat.usefulapi.io/mcp"}}}

Antigravity

agy mcp add billomat https://billomat.usefulapi.io/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"billomat","server_url":"https://billomat.usefulapi.io/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"billomat","server_url":"https://billomat.usefulapi.io/mcp"}

Tools

• billomat_add_invoice_item ~568 tokens
  WRITE: add one line item to an invoice that is still a DRAFT (Billomat refuses it for any other status). Does not complete or send the invoice.
• billomat_create_article ~368 tokens
  WRITE: create a new article (product or service) with a price. Billomat assigns the article number.
• billomat_create_client ~526 tokens
  WRITE: create a new client (customer) in Billomat. Billomat assigns the client number. Nothing is sent to the client. Check billomat_list_clients first to avoid duplicates.
• billomat_create_draft_invoice ~897 tokens
  WRITE: create an invoice as a DRAFT (Entwurf) for a client, with optional line items. The invoice is NOT completed, has no number yet and is NOT sent; review and complete it in Billomat. Nothing is charged.
• billomat_create_draft_offer ~892 tokens
  WRITE: create an offer (Angebot) as a DRAFT for a client, with optional line items. The offer is NOT completed, has no number yet and is NOT sent; review and complete it in Billomat.
• billomat_get_article ~120 tokens
  Get one article with its prices, unit, tax and supplier.
• billomat_get_client ~128 tokens
  Get one client with address, contact person, bank details, payment terms and revenue.
• billomat_get_company ~74 tokens
  Show the own company data of the Billomat account (name, address, bank details, tax numbers, currency).
• billomat_get_confirmation ~116 tokens
  Get one order confirmation.
• billomat_get_credit_note ~114 tokens
  Get one credit note.
• billomat_get_current_user ~80 tokens
  Show the Billomat user the API key belongs to (name, email, role and rights). Use it to check which rights the key has.
• billomat_get_delivery_note ~116 tokens
  Get one delivery note.
• billomat_get_incoming_invoice ~128 tokens
  Get one incoming invoice with amounts and open amount.
• billomat_get_invoice ~138 tokens
  Get one invoice (status, totals, dates, client, payment terms). Its line items come from billomat_list_invoice_items.
• billomat_get_offer ~117 tokens
  Get one offer (status, totals, validity, client).
• billomat_get_reminder ~112 tokens
  Get one payment reminder.
• billomat_get_supplier ~119 tokens
  Get one supplier with address and bank details.
• billomat_invoice_totals ~620 tokens
  Invoice totals grouped by client, status, day, week, month or year (for example group_by=client,year). Takes the same filters as billomat_list_invoices. Read-only.
• billomat_list_articles ~454 tokens
  List the articles (products and services) with prices, units and tax. Paged.
• billomat_list_clients ~468 tokens
  List the clients (customers) of the account, filtered by name, number, email, contact person, country, note or tags. Paged.
• billomat_list_confirmations ~634 tokens
  List order confirmations (Auftragsbestaetigungen), filtered by client, status (DRAFT, COMPLETED, CANCELED, CLEARED), number, date range or text. Paged.
• billomat_list_credit_notes ~613 tokens
  List credit notes (Gutschriften), filtered by client, status (DRAFT, OPEN, PAID), date range or text. Paged.
• billomat_list_delivery_notes ~616 tokens
  List delivery notes (Lieferscheine), filtered by client, status (DRAFT, CREATED), number, date range or text. Paged.
• billomat_list_incoming_invoices ~447 tokens
  List incoming invoices (Eingangsrechnungen, from suppliers), filtered by supplier, status (OPEN, PAID, OVERDUE), number, date range, note or tags. Paged.
• billomat_list_invoice_items ~189 tokens
  List the line items (positions) of one invoice.
• billomat_list_invoice_payments ~416 tokens
  List the payments that were recorded on invoices (read-only), optionally for one invoice, a date range or payment types.
• billomat_list_invoices ~683 tokens
  List invoices (Rechnungen), filtered by client, status (DRAFT, OPEN, PAID, OVERDUE, CANCELED), number, date range, text or tags. Paged; each invoice carries totals and the open amount.
• billomat_list_offers ~624 tokens
  List offers (Angebote), filtered by client, status (DRAFT, OPEN, WON, LOST, CANCELED, CLEARED), number, date range or text. Paged.
• billomat_list_recurring_invoices ~537 tokens
  List recurring invoices (Abo-Rechnungen): name, cycle (DAILY, WEEKLY, MONTHLY, YEARLY), client and next run. Paged.
• billomat_list_reminders ~657 tokens
  List payment reminders (Mahnungen), filtered by client, status (DRAFT, OPEN, OVERDUE, PAID, CANCELED), invoice number, date range or text. Paged.
• billomat_list_suppliers ~420 tokens
  List the suppliers of the account, filtered by name, email, contact person, country, note or tags. Paged.
• billomat_list_taxes ~199 tokens
  List the tax rates (Steuersaetze) of the account, with the default one.
• billomat_list_units ~234 tokens
  List the units (Einheiten) used for article and item quantities, optionally filtered by name.
• billomat_update_client ~581 tokens
  WRITE: change fields of an existing client (only the fields you pass are changed; everything else stays). Read the client first with billomat_get_client. Nothing is sent to the client.

Browse

• Email
• To-do lists
• Payments
• Invoicing and accounting

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