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mcp/harbor
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e-Invoice Validator MCP

v1.0.0

uk.alexhub/einvoice-validator

Validate UBL e-invoices (RO e-Factura, Peppol BIS 3.0, EN 16931) and get the exact fix per error

transport:streamable-http tools:3
Website

Target client

run in your project directory 

claude mcp add --transport http einvoice-validator https://einvoice.alexhub.uk/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_invoice

validate invoice

validate_invoice_free

validate invoice free

explain_rule

explain rule

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.