Do Your Bookkeeping Through Lexware Office

Through an AnythingMCP custom connector, your muse can work in your Lexware Office bookkeeping in plain words: find customers, read invoices and quotes, and check which bills are still open.

What it does

Lexware Office, formerly called lexoffice, is the bookkeeping app many small firms in Germany use for invoices and records. The connector adds 21 tools. The muse can read your company profile, list and open contacts with addresses and customer or supplier roles, and search the voucher list across sales invoices, purchase invoices, credit notes, down payments, and receipts. It can open one invoice, quotation, or credit note, with every line item, tax rate, total, and payment terms, list the articles in your product catalog, and read down-payment invoices, order confirmations, delivery notes, and payment reminders. It can also create a new contact and a sales invoice.

How to use it

1. Start an AnythingMCP account and add the Lexware Office connector.
2. In Lexware Office, open Settings, then Extensions, then Public API, and create an access token. Copy it at once, because it is shown only once, and enter it only where the connector asks.
3. In Muse, open Settings, then Connectors, and add a custom connector with the MCP server address AnythingMCP gives you. Sign in and approve.
4. Check the setup by asking the muse to read your company profile and list your newest vouchers, and compare with Lexware Office.
5. Ask in plain words, for example for every unpaid invoice from last month, or for a new invoice built from your catalog articles, and read it back before you send it.

What you need

• A Muse account that can add custom connectors
• An AnythingMCP account with the Lexware Office connector added
• A Lexware Office account on a paid plan, because the API is not part of the free tier
• An API access token from Lexware Office

What to watch for

• One token belongs to one company. If you or your tax advisor look after several firms, each firm needs its own connector and token.
• Creating an invoice is a real bookkeeping entry, not a draft on paper. Check the customer, the amounts, and the tax rate before you confirm, and fix mistakes in Lexware Office.
• The voucher list shows what was recorded. It does not tell you whether a customer will pay, and it is not a replacement for your tax advisor at year-end.
• This is a custom connector, and Meta does not review custom connectors. You can disconnect it in Settings at any time. The muse prepares, you decide.