uae-einvoice-mcp

uae-einvoice-mcp

MCP server for UAE e-invoicing / PINT AE — TRN/TIN validation, structural compliance, the 51-field mandatory checklist, UBL XML stub generation, and mandate timeline helpers.

Built with the MCP TypeScript SDK v2 (@modelcontextprotocol/server) over stdio. Free to run locally; no API keys required for v0.2.

Informational tooling only — not legal or tax advice, and not a substitute for Accredited Service Provider (ASP) XSD validation, digital signatures, or live FTA register checks. validate_pint_ae_xml runs the official OpenPeppol PINT AE 1.0.4 Schematron.

Why this exists

UAE e-invoicing (Peppol + PINT AE) forces ERP and finance teams to get dozens of mandatory fields, TIN vs TRN, and Peppol endpoint IDs right before an ASP will transmit anything. This server gives AI assistants a small, installable toolkit for those checks.

Tools

Tool	What it does
lookup_business_trn	Validates 15-digit TRN or 10-digit TIN format, UAE 1… prefix, Peppol AE:TIN check digit, and returns 0235:<TIN>
check_invoice_compliance	Structural checks (parties, totals math, tax breakdown, lines) with errors/warnings/score
check_pint_ae_fields	Full 51-field mandatory matrix: present / missing / invalid / N/A + gaps
generate_pint_ae_xml	Builds a UBL 2.1 PINT AE Invoice/CreditNote (optional strict mode)
validate_pint_ae_xml	Official PINT AE 1.0.4 Schematron (shared + UAE rules); first call downloads and compiles the rules
get_einvoicing_requirements	Mandate phases, excluded transactions, recent MoF amendments, technical baseline, next actions
check_einvoicing_scope	Per-transaction scope: B2B/B2G/B2C, Tax Group, sovereign, air, exempt finance — mandatory / excluded / voluntary

Requirements

• Node.js 20+

Install / run

npm install
npm run build
npm start

Dev (TypeScript directly):

npm run dev

Self-check (no MCP client needed):

npm run selfcheck

MCP Inspector

npm run inspector

Paste fixtures from examples/compliant-invoice.json, examples/credit-note.json, examples/usd-invoice.json, or examples/broken-invoice.json into the tools.

Cursor / Claude Desktop (stdio)

Published package (recommended):

{
  "mcpServers": {
    "uae-einvoice": {
      "command": "npx",
      "args": ["-y", "uae-einvoice-mcp"]
    }
  }
}

Local checkout:

{
  "mcpServers": {
    "uae-einvoice": {
      "command": "node",
      "args": ["/absolute/path/to/uae-einvoice-mcp/dist/index.js"]
    }
  }
}

See also .cursor/mcp.json.example.

Suggested test flow

1. check_pint_ae_fields with examples/compliant-invoice.json
2. generate_pint_ae_xml with the same payload (strict: true should succeed)
3. validate_pint_ae_xml on the generated XML (first call downloads PINT AE 1.0.4 rules)
4. Repeat 1–2 with examples/credit-note.json and examples/usd-invoice.json
5. generate_pint_ae_xml with examples/broken-invoice.json and strict: true (should refuse)
6. check_einvoicing_scope with transactionKind: b2b and an annual revenue

Roadmap

• 51-field checklist + PINT AE XML stub generation
• Official PINT AE 1.0.4 Schematron validation (validate_pint_ae_xml)
• Per-transaction scope helper (check_einvoicing_scope)
• Credit-note and non-AED fixtures + CI self-check
• Optional HTTP + API-key transport for hosted / paid tier
• Publish to npm ([email protected])
• List in MCP registry (io.github.mirzaabubakr/uae-einvoice-mcp)

License

MIT