XRechnung Validator MCP Server: Install & Setup

Install XRechnung Validator in Claude Code

Claude Code

claude mcp add xrechnung-validator -- npx -y xrechnung-validator-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "xrechnung-validator": {
      "command": "npx",
      "args": [
        "-y",
        "xrechnung-validator-mcp"
      ]
    }
  }
}

Frequently asked questions

What does the XRechnung Validator MCP server do?

Validate XRechnung XML and ZUGFeRD / Factur-X PDFs with the free checkxrechnung.com API.

Is the XRechnung Validator MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does XRechnung Validator run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add XRechnung Validator to Claude Code?

Run: claude mcp add xrechnung-validator -- npx -y xrechnung-validator-mcp

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