MCP Server

Attestwire MCP Server

com.attestwire/en16931

Registry

What is the Attestwire MCP server?

EN 16931: validate invoice data, UBL/CII or PDF; emit XRechnung/Peppol XML, never a PDF.

How to install Attestwire

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

ATTESTWIRE_API_KEY
secret
Optional. An Attestwire API key. Six of the fourteen tools work without it; validate_invoice, validate_invoice_xml, generate_invoice, diagnose_invoice, lookup_peppol_participant, verify_vat_vies, get_recipient_profile and get_upgrade_link require one. The issue_api_key tool mints a free key (100 documents/month, no card), but minting does not authenticate a live connection: save the key, configure it here, and reconnect. Paid plans: Solo €9/mo for 1,000 documents, Starter €29/mo for 5,000, Scale €99/mo for 50,000 — get_upgrade_link returns the checkout link.
ATTESTWIRE_MCP_URL
Optional endpoint override. Defaults to https://api.attestwire.com/mcp.
Authorization
secret
Optional. `Bearer <your Attestwire API key>`. Six of the fourteen tools work without it; validate_invoice, validate_invoice_xml, generate_invoice, diagnose_invoice, lookup_peppol_participant, verify_vat_vies, get_recipient_profile and get_upgrade_link require one. The issue_api_key tool mints a free key (100 documents/month, no card), but minting does not authenticate a live connection: save the key, configure it here, and reconnect. Paid plans: Solo €9/mo for 1,000 documents, Starter €29/mo for 5,000, Scale €99/mo for 50,000 — get_upgrade_link returns the checkout link.

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "en16931": {
      "command": "npx",
      "args": [
        "-y",
        "@attestwire/mcp"
      ],
      "env": {
        "ATTESTWIRE_API_KEY": "<YOUR_ATTESTWIRE_API_KEY>",
        "ATTESTWIRE_MCP_URL": "<YOUR_ATTESTWIRE_MCP_URL>",
        "Authorization": "<YOUR_AUTHORIZATION>"
      }
    }
  }
}

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