Argentine Law MCP

A Model Context Protocol (MCP) server providing comprehensive access to Argentine federal legislation, including data protection (Ley 25.326), cybercrime, digital signature, companies, and consumer protection law with Spanish full-text search.

Deployment Tier

SMALL -- Single tier, bundled SQLite database shipped with the npm package.

Estimated database size: ~80-150 MB (full corpus of Argentine federal legislation)

Key Legislation Covered

| Law | Year | Significance | |-----|------|-------------| | Ley 25.326 (Personal Data Protection) | 2000 | One of the oldest data protection laws in Latin America; basis for Argentina's EU adequacy decision | | Ley 26.388 (Cybercrime) | 2008 | Amendments to the Penal Code incorporating computer crime offences | | Ley 25.506 (Digital Signature) | 2001 | Legal framework for digital and electronic signatures; early adopter in Latin America | | Ley 19.550 (Ley General de Sociedades) | Various | General companies law governing all types of commercial companies | | Ley 24.240 (Consumer Protection) | 1993 | Consumer defense law administered by the Secretaria de Comercio | | Ley 27.078 (Argentina Digital) | 2014 | Telecommunications and digital development framework | | Constitution of Argentina | 1994 (reform) | Article 43 establishes habeas data as a constitutional right |

Regulatory Context

• Data Protection Regulator: AAIP (Agencia de Acceso a la Informacion Publica), successor to the former Direccion Nacional de Proteccion de Datos Personales
• Argentina holds an EU adequacy decision (Decision 2003/490/EC), making it one of the few non-EU countries recognized as providing adequate data protection
• Ley 25.326 dates from 2000; a comprehensive reform bill to align with GDPR has been pending for several years but has not been enacted
• The Argentine Constitution (1994) includes habeas data in Article 43, providing constitutional-level personal data protection
• Argentina is a civil law jurisdiction; the Boletin Oficial (B.O.) is the official gazette
• Argentina is a member of Mercosur and participates in the Ibero-American Data Protection Network (RIPD)

Data Sources

| Source | Authority | Method | Update Frequency | License | Coverage | |--------|-----------|--------|-----------------|---------|----------| | InfoLEG | Ministerio de Justicia y Derechos Humanos | HTML Scrape | On change | Government Public Data | All federal laws with consolidated texts, decrees, resolutions | | SAIJ | Ministerio de Justicia y Derechos Humanos | HTML Scrape | On change | Government Public Data | Federal/provincial legislation, case law, legal doctrine | | AAIP | Agencia de Acceso a la Informacion Publica | HTML Scrape | On change | Government Public Data | Ley 25.326 implementing regulations, dispositions, guidance |

Full provenance metadata: sources.yml

Installation

npm install -g @ansvar/argentine-law-mcp

Usage

As stdio MCP server

argentine-law-mcp

In Claude Desktop / MCP client configuration

{
  "mcpServers": {
    "argentine-law": {
      "command": "npx",
      "args": ["-y", "@ansvar/argentine-law-mcp"]
    }
  }
}

Available Tools

| Tool | Description | |------|-------------| | get_provision | Retrieve a specific article from an Argentine federal law | | search_legislation | Full-text search across all Argentine legislation (Spanish) | | get_provision_eu_basis | Cross-reference lookup for international framework relationships (GDPR, EU DPD, etc.) |

Development

# Install dependencies
npm install

# Build
npm run build

# Run tests
npm test

# Run contract tests
npm run test:contract

# Run all validation
npm run validate

# Build database from sources
npm run build:db

# Start server
npm start

Contract Tests

This MCP includes 12 golden contract tests covering:

• 4 article retrieval tests (Ley 25.326, Ley 26.388, Ley 25.506, Ley 19.550)
• 3 search tests (datos personales, delito informatico, firma digital)
• 2 citation roundtrip tests (infoleg.gob.ar URLs, B.O. references)
• 1 cross-reference test (Ley 25.326 to EU DPD/GDPR -- has adequacy decision)
• 2 negative tests (non-existent law, malformed article)

Run with: npm run test:contract

Security

See SECURITY.md for vulnerability disclosure policy.

Report data errors: Open an issue

Related Documents

• MCP Quality Standard -- quality requirements for all Ansvar MCPs
• MCP Infrastructure Blueprint -- infrastructure implementation templates
• MCP Deployment Tiers -- free vs. professional tier strategy
• MCP Server Registry -- operational registry of all MCPs
• MCP Remote Access -- public Vercel endpoint URLs

License

Apache-2.0 -- see LICENSE

Built by Ansvar Systems -- Cybersecurity compliance through AI-powered analysis.