Works with the AI tools you already use
Peppol Einvoice Validator be
by Nex AI
Generate and validate Belgian Peppol BIS Billing 3.0 e-invoices (UBL 2.1) with Mod-97 VAT and business rule checks.
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See it in action
You say
Create a Peppol-compliant UBL invoice for 10 hours of consultancy at 125 EUR/hour for a Belgian client with VAT BE0987654321.
Your agent does
[Success] Generated UBL 2.1 XML. Validation Results:
- BR-CO-10 (Line Totals): PASSED
- BE-VAT-02 (Mod-97 Check): PASSED
- Total: 1,250.00 EUR (Excl. VAT) / 1,512.50 EUR (Incl. 21% VAT) File saved: INV-2024-001.xml
What you get
About this skill
What it does
This skill simplifies compliance with the Belgian B2B e-invoicing mandate. It provides automated generation and validation of Peppol BIS Billing 3.0 / EN16931 compliant UBL 2.1 e-invoices. By transforming simple JSON objects into structured XML, it handles the complex technical requirements of the Peppol network, ensuring that invoice data adheres to strict European and Belgian business rules.
Why use this skill
Manually crafting UBL XML is highly error-prone and often leads to rejected invoices. This skill automates the heavy lifting: it calculates tax totals, enforces decimal precision (BR-DEC-01), and implements Belgian-specific logic like Mod-97 VAT number validation and structured communication formatting. It bridges the gap between your application's data and the rigid Peppol specifications, significantly reducing development time for ERP or accounting integrations.
Supported tools and standards
- Standards: Peppol BIS Billing 3.0, EN16931, UBL 2.1 (ISO/IEC 19845)
- Belgian Specs: KBO/BCE identifiers, BE-VAT Mod-97 validation, Structured Communications (+++xxx/xxxx/xxxxx+++)
- Output: Fully structured UBL XML and JSON validation reports
How to install
Drop the file into your AI Agent. Works with Claude, Cursor, ChatGPT, and 20+ more.
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Creator
Founder of Nex AI. I build production-grade Claude Skills from systems that actually run: multi-tenant SaaS, Telegram agents, Raspberry Pi infrastructure, 3D multiplayer rooms. Every skill ships battle-tested patterns, not theory. 33+ open source skills published, commercial catalog growing.
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