Benethos Lexware Office MCP server

Unofficial Lexware Office MCP Server

<!-- mcp-name: io.github.benethos-hub/benethos-lexware-office-mcp -->

Disclaimer

- This project is **not affiliated with, endorsed by, or sponsored by

Lexware or Haufe-Lexware GmbH & Co. KG**. "Lexware" and "Lexware Office"

are trademarks of their respective owners.

- It uses the documented public API with an API key you generate and can

revoke yourself. Use of that API is governed by Lexware's own terms, which

you accept independently of this project. The API can change at any time,

and requests may be rate limited or blocked.

- It reaches real accounting records. Write access is off by default. If

you enable it, anything created through the API is a real and legally

relevant record — a finalized document cannot be withdrawn through the API.

- Data may be incomplete or out of date. **Nothing here is tax, accounting

or legal advice.** Do not rely on it for filings, audits, or your

bookkeeping obligations.

- Provided "as is", without warranty. Intended for personal and professional

use at your own risk. See LICENSE.

- For commercial use, review Lexware's API terms and your own retention

and documentation duties.

Contents

• Why this exists
• Safety first
• How it works
• Tools
• Requirements
• Getting an API key
• Installation
• As a Claude Desktop extension
• With uvx, for any MCP client
• Configuring it in a browser
• Switching individual tools off
• Configuration

An MCP server that connects an MCP client such as Claude Desktop to a Lexware Office account through the official public REST API. Ask about invoices, contacts, articles and vouchers in plain language, and let the client fetch them for you.

Shortened. The full README is on GitHub.