@kontor-mcp/core

by GitHub Actions · Finance & Crypto · MCP server

@kontor-mcp/core is an MCP server by GitHub Actions. Kontor MCP — MCP-free core library: detect, parse, validate, generate, convert EN 16931 e-invoices (XRechnung, ZUGFeRD). It is listed in Finance & Crypto.

Category: Finance & Crypto
Author: GitHub Actions
GitHub stars: Not on GitHub
This week: Tracking since 18 Oct 2026
Language: JavaScript
License: Apache-2.0 (open source)
Last update: 2026-08-26 (59 days ago)
Links: Source npm

e-invoice
xrechnung
zugferd
factur-x
en16931
mcp
model-context-protocol
invoice-validation
germany
pdf-a-3
ubl
cii

How to install @kontor-mcp/core

@kontor-mcp/core is published on npm as @kontor-mcp/core. These steps assume it runs as a local stdio server, which is the usual setup.

Check the README. Confirm the start command and note any API keys or environment variables it needs (pass them with -e KEY=value or an env block). You need Node.js for npx.

Add it to Claude Code from a terminal:

claude mcp add core -- npx -y @kontor-mcp/core

Or add it to Cursor or Claude Desktop in .cursor/mcp.json or claude_desktop_config.json:

{
  "mcpServers": {
    "core": {
      "command": "npx",
      "args": [
        "-y",
        "@kontor-mcp/core"
      ]
    }
  }
}

Restart the client and check it. Run claude mcp list, or open the client's MCP settings, and confirm @kontor-mcp/core and its tools are listed. The install guide covers VS Code and Codex.

Also listed in

MCP servers for PDF files300

Maintain this project? Get it featured ($99/mo, pinned at the top of Finance & Crypto) or see what featuring includes.

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Frequently asked questions

What is @kontor-mcp/core?

@kontor-mcp/core is an MCP server by GitHub Actions in the Finance & Crypto category. Kontor MCP — MCP-free core library: detect, parse, validate, generate, convert EN 16931 e-invoices (XRechnung, ZUGFeRD). It is listed in Finance & Crypto. It is written in JavaScript. It is licensed under Apache-2.0. It was last updated 59 days ago.

Is @kontor-mcp/core free and open source?

Yes. @kontor-mcp/core is published under the Apache-2.0 license, so you can run, modify and self-host it at no cost. If it connects to a paid service, that service's own pricing and API terms still apply. Check the repository for the exact license text before using it commercially.

What are the alternatives to @kontor-mcp/core?

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Data last updated 25 October 2026. Stars and downloads are refreshed every day from GitHub and npm.