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BuchPilot MCP – sevDesk & Lexoffice for n8n/AI

@makririch

About BuchPilot MCP – sevDesk & Lexoffice for n8n/AI

MCP server for DACH accounting automation. Connect AI assistants to sevDesk and Lexoffice — create invoices, manage contacts, handle bookings and vouchers. Designed for German-speaking businesses using cloud accounting software.

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "buchpilot": {
      "command": "npx",
      "args": [
        "buchpilot-mcp"
      ]
    }
  }
}

Tools

15

Erstellt einen neuen Kontakt (Person oder Firma) im Buchhaltungssystem. Creates a new contact (person or company).

Ruft einen Kontakt per ID ab. Gets a contact by ID.

Listet Kontakte auf mit optionalen Filtern. Lists contacts with optional filters.

Aktualisiert einen bestehenden Kontakt. Updates an existing contact.

Erstellt eine neue Rechnung mit Positionen. Creates a new invoice with line items.

Ruft eine Rechnung per ID ab. Gets an invoice by ID.

Listet Rechnungen auf. Kann nach Status filtern (draft, open, paid, overdue). Lists invoices with optional status filter.

Laedt eine Rechnung als PDF herunter (Base64-kodiert). Downloads an invoice as PDF (base64-encoded).

Aktualisiert eine bestehende Rechnung (nur Entwuerfe). Updates a draft invoice.

Erstellt einen neuen Beleg (Eingangsrechnung, Gutschrift). Creates a new voucher (purchase invoice, credit note).

Ruft einen Beleg per ID ab. Gets a voucher by ID.

Listet Belege auf mit optionalen Filtern. Lists vouchers with optional filters.

Erstellt ein neues Angebot mit Positionen. Creates a new quotation with line items.

Ruft ein Angebot per ID ab. Gets a quotation by ID.

Listet alle ueberfaelligen Rechnungen mit Betrag und Faelligkeitsdatum. Lists all overdue invoices with amount and due date.

Overview

What is BuchPilot MCP – sevDesk & Lexoffice for n8n/AI?

BuchPilot MCP – sevDesk & Lexoffice for n8n/AI is a Model Context Protocol (MCP) server that connects Lexoffice accounting with AI assistants via natural language. It provides 15 tools for managing contacts, invoices, vouchers, and quotations directly from Claude Desktop, Cursor, or any MCP-compatible client. The server is built for DACH (Germany, Austria, Switzerland) businesses using Lexoffice and is designed to be extensible to other backends like sevDesk in the future.

How to use BuchPilot MCP – sevDesk & Lexoffice for n8n/AI?

Install via npm globally (npm install -g buchpilot-mcp) or from source. Configure with a .buchpilot.json file containing a Lexoffice API key. Start the server standalone (buchpilot-mcp or npm start) or integrate with Claude Desktop by adding it to claude_desktop_config.json. Then issue natural language commands like “Create an invoice for contact XYZ” or “Show all overdue invoices.”

Key features of BuchPilot MCP – sevDesk & Lexoffice for n8n/AI?

  • 15 tools for contacts, invoices, vouchers, quotations
  • Overdue invoice analysis with amounts and days overdue
  • Plugin support for e-invoice (XRechnung, ZUGFeRD) via einvoice-mcp
  • No database or state – pure API

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