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mcp/harbor
Verified official

EU EN-16931 & XRechnung Deterministic Validator MCP

v0.9.0

eu.iotpay/en16931-validator

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

transport:streamable-http tools:3
Website

Target client

run in your project directory 

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

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

validate_en16931_e_invoice

validate en16931 e invoice

screen_sanctions_and_kyb

screen sanctions and kyb

redact_gdpr_pii_text

redact gdpr pii text

All 3 tools, one page each

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.