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EN 16931: validate invoice data, UBL/CII or PDF; emit XRechnung/Peppol XML, never a PDF.
Attestwire is an MCP server entry in ChatHome Skills, sourced from Official MCP Registry and scored 100/100. As a Model Context Protocol server, it exposes tools that MCP-compatible LLM clients such as Claude, Cursor, and Copilot can call directly, extending an agent's reach beyond its built-in capabilities. ChatHome Skills discovered this entry through its daily ingest of official registries and GitHub discovery queries, and re-verifies repository facts, freshness signals, and install metadata on every run. The quality score weighs official-registry presence, a working install command, license clarity, GitHub star trajectory, and repository freshness — the full formula is on the Sources page. The install command above is ready to copy. Review the last-pushed date and repository status before adding Attestwire to a production agent workflow; the snapshot facts below are point-in-time values from the most recent ingest.
mcp add com.attestwire/en16931 https://api.attestwire.com/mcpReview the upstream source before running this command.
{
"_meta": {
"io.modelcontextprotocol.registry/official": {
"status": "active",
"isLatest": true,
"updatedAt": "2026-09-27T02:50:42.560649Z",
"publishedAt": "2026-09-27T02:50:42.560649Z",
"statusChangedAt": "2026-09-27T02:50:42.560649Z"
}
},
"server": {
"name": "com.attestwire/en16931",
"title": "Attestwire",
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"remotes": [
{
"url": "https://api.attestwire.com/mcp",
"type": "streamable-http",
"headers": [
{
"name": "Authorization",
"format": "string",
"isSecret": true,
"description": "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.",
"placeholder": "Bearer aw_live_..."
}
]
}
],
"version": "1.2.2",
"packages": [
{
"version": "1.2.2",
"transport": {
"type": "stdio"
},
"identifier": "@attestwire/mcp",
"runtimeHint": "npx",
"registryType": "npm",
"registryBaseUrl": "https://registry.npmjs.org",
"environmentVariables": [
{
"name": "ATTESTWIRE_API_KEY",
"format": "string",
"isSecret": true,
"description": "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."
},
{
"name": "ATTESTWIRE_MCP_URL",
"format": "string",
"default": "https://api.attestwire.com/mcp",
"description": "Optional endpoint override. Defaults to https://api.attestwire.com/mcp."
}
]
}
],
"websiteUrl": "https://api.attestwire.com/docs#mcp",
"description": "EN 16931: validate invoice data, UBL/CII or PDF; emit XRechnung/Peppol XML, never a PDF."
}
}