EU EN-16931 & XRechnung Deterministic Validator MCP Server

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answering

EU EN-16931 & XRechnung Deterministic Validator is answering right now. Last checked 12 min ago. It exposes 3 tools.

Official KoSIT EN 16931 & XRechnung XML validator issuing signed Ed25519 VCs. Zero retention.

Uptime history 24 hours of history · worst hour 0%

24 hours agonow

47.7%

Uptime 24h

42 of 88 checks

Tools

read from the server

114 ms

Response time

average over 24h

open, no key

Access

streamable-http

EU EN-16931 & XRechnung Deterministic Validator does not always answer

Over the last week it answered 47.7% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 12 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add en16931-validator --transport http https://agent-gateway-i3gust564q-ey.a.run.app/mcp

Settings → Connectors → Add custom connector, then paste this address

https://agent-gateway-i3gust564q-ey.a.run.app/mcp

~/.codex/config.toml

[mcp_servers.en16931-validator]
url = "https://agent-gateway-i3gust564q-ey.a.run.app/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "en16931-validator": {
      "url": "https://agent-gateway-i3gust564q-ey.a.run.app/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "en16931-validator": {
      "type": "http",
      "url": "https://agent-gateway-i3gust564q-ey.a.run.app/mcp"
    }
  }
}

Available tools 3

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

redact

redact_gdpr_pii_text

Zero-retention GDPR PII redaction gate (IBAN, Tax-ID, HRB, Names) with signed Ed25519 VC.

screen

screen_sanctions_and_kyb

Deterministic EU FSF, UN & OpenSanctions KYB screening issuing signed Ed25519 Non-Hit VCs.

validate

validate_en16931_e_invoice

Official KoSIT EN 16931 & XRechnung XML validator issuing signed Ed25519 VCs. Zero retention.

Endpoints

URL	Transport	State	Latency	Checked
https://agent-gateway-i3gust564q-ey.a.run.app/mcp	streamable-http	answering	93 ms	12 min ago

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EU EN-16931 & XRechnung Deterministic Validator — questions

Answers built from our own checks of this server.

What can EU EN-16931 & XRechnung Deterministic Validator do?

It exposes 3 tools, read directly from the server on our last check. Among them: redact_gdpr_pii_text, screen_sanctions_and_kyb, validate_en16931_e_invoice. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is EU EN-16931 & XRechnung Deterministic Validator working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 42 of 88 checks got a reply (47.7%), average response time 114 ms. The bar chart above shows every period we have measured.

How do I connect EU EN-16931 & XRechnung Deterministic Validator?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does EU EN-16931 & XRechnung Deterministic Validator need an API key?

No. EU EN-16931 & XRechnung Deterministic Validator completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 3 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is EU EN-16931 & XRechnung Deterministic Validator?

It answers our handshake in 114 ms on average, which is faster than 89% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.