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invowerk

MCP server · by invowerk

Finance & Payments Streamable HTTP v1.0.1

E-invoice checker for ZUGFeRD, Factur-X, XRechnung and Peppol BIS. Free web tool, API and MCP.

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Install

Run one of the commands below, then add the client config underneath.

Streamable HTTPhttps://api.invowerk.dev/mcp/

Client configuration

Paste into Claude Desktop, Cursor (mcp.json), VS Code or any MCP client, then restart the client.

mcpServers{
  "mcpServers": {
    "xrechnung-e-invoice-validator": {
      "url": "https://api.invowerk.dev/mcp/"
    }
  }
}

About this server

invowerk is listed in the Finance & Payments category of the MCPNav directory. It is distributed as Streamable HTTP and can be loaded by any client that speaks the Model Context Protocol.

Typical uses include giving your assistant scoped access to the corresponding service so it can answer questions and take actions with real data instead of guessing. Always review what a server can access before you enable it — see our MCP security guide.

Frequently asked questions

What is the invowerk MCP server?

invowerk is an MCP server by invowerk. E-invoice checker for ZUGFeRD, Factur-X, XRechnung and Peppol BIS. Free web tool, API and MCP.

How do I install invowerk?

Install it with: https://api.invowerk.dev/mcp/. Then add the JSON config to your client's MCP settings and restart the client.

Is invowerk free to use?

The MCP server itself is free to install. The source is public on https://github.com/invowerk-dev/invowerk. Any third-party API it calls (such as a search or maps API) may require its own key and billing.

Which clients support invowerk?

Any MCP-compatible client can use it, including Claude Desktop, Cursor, VS Code, Windsurf and custom agents.