EU EN-16931 & XRechnung Deterministic Validator

eu.iotpay/en16931-validatorVersion 0.9.0

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

Status

Responds101 msNov 14, 2026, 14:29 UTCAnswered our handshake without sign-in.

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Data from the official MCP Registry, checked by run.zero. How we check

Streamable HTTP

https://agent-gateway-i3gust564q-ey.a.run.app/mcpResponds101 msNov 14, 2026, 14:29 UTC

No sign-in

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

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Settings > Connectors > Add custom connector
Name: en16931-validator
Remote MCP server URL: https://agent-gateway-i3gust564q-ey.a.run.app/mcp

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

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

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3 tools

Tools of EU EN-16931 & XRechnung Deterministic Validator
	Description		Read-only	Idempotent	Open world
`redact_gdpr_pii_text`Zero-retention GDPR PII redaction gate (IBAN, Tax-ID, HRB, Names) with signed Ed25519 VC.	Zero-retention GDPR PII redaction gate (IBAN, Tax-ID, HRB, Names) with signed Ed25519 VC.	Not declared	Not declared	Not declared	Not declared
`screen_sanctions_and_kyb`Deterministic EU FSF, UN & OpenSanctions KYB screening issuing signed Ed25519 Non-Hit VCs.	Deterministic EU FSF, UN & OpenSanctions KYB screening issuing signed Ed25519 Non-Hit VCs.	Not declared	Not declared	Not declared	Not declared
`validate_en16931_e_invoice`Official KoSIT EN 16931 & XRechnung XML validator issuing signed Ed25519 VCs. Zero retention.	Official KoSIT EN 16931 & XRechnung XML validator issuing signed Ed25519 VCs. Zero retention.	Not declared	Not declared	Not declared	Not declared

Registry status: Active
Published: Nov 1, 2026
Updated: Nov 1, 2026
Website: https://iotpay.eu/⁠ (opens in a new tab)
Repository: Not given
Categories (suggested): Invoicing and accountingSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared