Browse The Skill Store

Generate a complete, country-compliant Excel invoicing and tax tracking system for any business worldwide.

nex invoice bot pattern

by Nex AI

$5

A Belgian-compliant, JSON-backed invoicing system with VAT-regime toggles and sequential numbering logic.

factur x france

by Nex AI

$9/mo

Generate and validate Factur-X/ZUGFeRD hybrid e-invoices compliant with the French EN16931 mandate.

Invoice & Expense Sanity Gate

by PubsProToolkit

Free

An adversarial reviewer for invoices, receipts, and expense reports. It re-checks the math, flags missing details, duplicate or already-paid items, policy breaches, and fraud-risk red flags, then returns a PASS / REVISE / HOLD verdict — before you send, pay, or approve.

ereloonnota

by Nex AI

$5

Automated draft fee proposals for architects with transparent phase-based calculations and cost-base tracking.

peppol einvoice validator be

by Nex AI

$9/mo

Generate and validate Belgian Peppol BIS Billing 3.0 e-invoices (UBL 2.1) with Mod-97 VAT and business rule checks.

🧾 Invoice & Estimate Linter

by JustHandled Labs

$12

Check an invoice or estimate before you send it: missing document number, dates, or payment terms, totals that do not add up, tax gaps, missing remittance details, and slow terms with no late fee. Read-only, plain-English findings. Not accounting advice.

Technical implementation guide for Polish KSeF e-invoicing, FA(3) schemas, and API onboarding.

Expert guide for German E-Rechnung compliance, XRechnung/ZUGFeRD formats, and GoBD archiving.

Implement the French e-invoicing mandate (2026/2027) with Factur-X specs, PDP selection, and e-reporting workflows.

Navigate Spanish VeriFactu and Crea y Crece compliance with updated 2027 deadlines and technical field requirements.