MCP LatAm Business Suite
Latin American business compliance suite for AI agents — 28 tools covering tax ID validation (CPF, CNPJ, RFC, RUT, CUIT, CUIL, NIT, CC), banking validation (PIX, CLABE, CBU), VAT/IVA rules, e-invoicing requirements (NF-e, CFDI, DTE, Factura Electrónica), payment terms, public holidays, working day calculations, and invoice schema validation across Brazil, Mexico, Chile, Argentina, and Colombia.
Overview
The mcp-latam-business MCP server delivers 28 tools for Latin American business data validation and compliance, with full coverage across Brazil, Mexico, Chile, Argentina, and Colombia. It enables programmatic checks for tax identifiers, banking details, VAT/IVA rates, e-invoicing obligations, public holidays, and labor calendars — all essential for financial and operational accuracy in LatAm markets.
Key Capabilities
Tax ID Validation (8 tools)
- validate_cpf / validate_cnpj — Brazilian individual and company tax IDs (modulo-11 checksum)
- validate_rfc_mx — Mexican RFC (individuals and companies)
- validate_rut_cl — Chilean RUT with check digit K support
- validate_cuit / validate_cuil — Argentine company and labor IDs (AFIP)
- validate_nit_co / validate_cc_co — Colombian NIT and Cédula de Ciudadanía
Banking Validation (3 tools)
- validate_pix_key — Brazilian PIX (CPF, CNPJ, email, phone, EVP)
- validate_clabe_mx — Mexican 18-digit CLABE
- validate_cbu_ar — Argentine 22-digit CBU
Holidays & Working Days (8 tools)
- Per-country holiday calendars for BR, MX, CL, AR, CO with Easter-based moveable holidays
- calculate_working_days_latam — working days between dates excluding weekends and holidays
- get_next_payment_date_latam — next valid payment date (last/first/nth working day rules)
- get_public_holidays_range_latam — holidays in a given date range
Business Rules (4 tools)
- get_payment_terms_latam — B2B payment terms by country
- get_invoice_requirements_latam — mandatory fields for NF-e, CFDI, DTE, Factura Electrónica
- get_vat_rules_latam — standard rates, reduced rates, exemptions, withholding
- get_einvoicing_rules_latam — B2B/B2G/B2C mandatory e-invoicing obligations
Invoice & VAT Calculations (4 tools)
- validate_invoice_schema_latam — country-specific invoice field validation
- calculate_vat_breakdown_latam — multi-rate IVA/ICMS breakdown
- suggest_vat_treatment_latam — cross-border treatment (domestic, export, import, intra-LatAm)
- calculate_vat_amount_latam — net/gross VAT splitting
Postal Codes
- validate_postal_code_latam — CEP (BR), CP (MX), CL, AR (CPA), CO formats
Use Cases
- Fintech onboarding — KYC and supplier validation across LatAm with verified tax IDs
- E-commerce checkout — postal code validation, IVA calculation, invoice generation
- B2B invoicing — schema validation for NF-e (Brazil), CFDI 4.0 (Mexico), DTE (Chile), Factura Electrónica (Argentina, Colombia)
- Cross-border compliance — suggest correct VAT treatment for goods, services, and digital services between LatAm and rest of world
- Payroll & HR — calculate working days, schedule salary payments avoiding national holidays
- Accounts receivable automation — set payment due dates respecting per-country B2B norms
Who This Is For
Backend developers and AI agent builders integrating with Latin American markets — fintech (PIX, CLABE, CBU), e-commerce (tax ID, postal codes), accounting software (e-invoicing compliance), payroll systems (working days, holidays), and B2B SaaS expanding into LatAm.
No authentication required, read-only, fully offline. Reference data only — not legal or tax advice.