Mestre Prático & NutriPreço — Brazil Retail, Fuel & Healthcare Price Intelligence MCP Server
🌐 NLWeb Protocol (Natural Language Web)
In addition to JSON-RPC 2.0 MCP, this server natively implements the NLWeb Protocol (Standardized by Microsoft / Schema.org consortium):
[MCP Protocol]
[Anthropic MCP Registry]
[Glama Grade A]
[small print on record]
[ModelScope MCP]
[Cloudflare Edge]
[License: MIT]
[Status: Online]
Official sovereign Model Context Protocol (MCP) server providing real-time audited Fuel Prices (ANP), Basic Grocery Basket Indices (SEFAZ NFC-e / Decree 11.936/2024), Residential LPG Cooking Gas 13kg (ANP), Regulated Pharmaceuticals & Farmácia Popular (CMED / ANVISA), and Macroeconomic Cost-of-Living Synthesis across all 27 Brazilian states and 417+ cities.
Built and maintained by Holding Arthur Luis Vieira dos Santos — Tecnologia e Inteligência de Varejo Inova Simples (I.S.) (CNPJ 69.423.752/0001-61 — Mestre Prático & NutriPreço).
🤝 Open Governance & Continuous Calibration (The Kaizen Principle)
"Our First Sovereign MCP: Engineered to Evolve with the Community"
This is the first Model Context Protocol server developed and published by Holding Arthur Luis Vieira dos Santos. Brazil's continental economy — spanning 27 federal units and 5,570 municipalities — is a living, dynamic ecosystem. We do not operate under the illusion of perfection; instead, we operate under the Kaizen Principle: transparent engineering, continuous active calibration, and absolute honesty with developers and autonomous AI agents.
🛡️ Active Maintenance Guarantee & Legal Grounding
Every macroeconomic indicator, tax rate, and regulatory ceiling returned by our 12 sovereign tools is strictly calibrated against official primary authorities:
- National Minimum Wage: Calibrated to R$ 1,621.00 / month (R$ 7.37 / hour) in accordance with Federal Decree No. 12,797/2025 (Decreto nº 12.797/2025).
- Freight & Logistics Floor: Anchored to ANTT Resolution No. 5,867/2020 & Decree No. 11.936/2024 (Basic Grocery Basket composition).
- Fuels & Cooking Gas (LPG): Sourced from official ANP (Agência Nacional do Petróleo, Gás Natural e Biocombustíveis) regulatory surveys.
- Pharmaceutical Ceilings: Calibrated to CMED (Câmara de Regulação do Mercado de Medicamentos) / ANVISA maximum consumer price lists (PMC) and SUS Farmácia Popular coverage.
💡 Building in Public — How You Can Help Us Improve
If you are building AI agents, testing connectors, or auditing data accuracy across Brazilian retail and logistics:
[!IMPORTANT]
📊 Architectural Note on Historical Time-Series, Multi-Lab Pharmaceutical Comparisons & Full-Horizon Datasets
By deliberate commercial governance and intellectual property protection under Brazilian Copyright Law No. 9.610/98 (Art. 7, XIII), the unauthenticated Community / Discovery Tier exposes real-time spot prices (T+0) with curated horizon sampling (max 3 stations / 2 LPG resellers / 3 medicines per query).
Full Historical Price Time-Series (12-to-36 month ANP/SEFAZ/CMED inflation curves), Multi-Laboratory Pharmaceutical Therapeutic Equivalence & Cross-State Price Comparisons, and Uncapped 417+ City Bulk Datasets are fully indexed in our sovereign vault and exclusively unlocked for Enterprise & Commercial API Licensees (Authorization: Bearer <ENTERPRISE_API_KEY>).
👉 Corporate Partnerships & Dedicated Enterprise Keys: [email protected] | https://mestrepratico.com.br/developers
🌐 Live Remote MCP Endpoint (Zero-Install HTTP / Edge)
- Endpoint URL:
https://mestrepratico.com.br/mcp/v1
- Transport: Streamable HTTP (
POST /mcp/v1 JSON-RPC 2.0 & GET /mcp/v1 discovery manifest) + Local stdio Bridge (index.js / Docker).
- Developers & Corporate Portal:
https://mestrepratico.com.br/developers
🤖 Agent-to-Agent (A2A) Layer — Full Tri-Pillar MCP Compliance
Our server is a certified Full Tri-Pillar Model Context Protocol (MCP) implementation providing complete cognitive agency across 3 protocol primitives:
tools (12 Sovereign Tools): Instant sub-100ms RPC function calling across fuel, grocery, medicines, labor-hours, electricity tariffs, freight, and taxes.
prompts (5 Cognitive A2A Workflows): Structured multi-step reasoning templates (analisar_orcamento_familiar, auditar_viabilidade_logistica_antt, raio_x_tributario_reforma, auditar_preco_farmacia, analise_combustivel_frota) that guide autonomous agents to audit, compute, and synthesize executive memos.
resources (8 Canonical URIs): Direct live data hydration for AI agents without prompt injection risk (mcp://brazil/macro/bcb-series, mcp://brazil/energy/aneel-tariffs, mcp://brazil/logistics/antt-freight-table, mcp://brazil/tax/confaz-icms-monofasico, etc.).
🛠️ The 12 Sovereign brazil_* Tools (Glama Grade A — TDQS 4.4/5.0)
All 12 tools enforce strict brazil_* naming consistency, JSON Schema input constraints, and official MCP annotations (readOnlyHint: true, destructiveHint: false, idempotentHint: true, openWorldHint: true):
💰 Pricing & Autonomous Micropayments Architecture (x402 Protocol)
In strict accordance with the Founding Charter of Holding Arthur Luis Vieira dos Santos, legacy monthly subscription contracts have been decommissioned in favor of a frictionless, autonomous AI-native pricing architecture:
🤖 Machine-to-Machine (x402) Header Specification
Autonomous agents exceeding community rate limits or requesting batch feeds can pay per query natively via RFC HTTP 402 without manual human invoicing:
⚡ 1-Click Install via Smithery (Claude Desktop, Cursor, Cline)
Install automatically with a single terminal command:
Or connect directly via remote HTTP:
⚡ Quick Connect (Claude Desktop, Cursor, Windsurf, Glama)
🛡️ Security & Intellectual Property Governance
Protected by forensic Canary Tokens (NC-CANARY-BRL-*) under Brazilian Copyright Law No. 9.610/98 (Art. 7, XIII), Berne Convention, and 17 U.S.C. § 1202. Unauthorized proxy rotation, systematic scraping, or removal of source attribution ("Fonte: Mestre Prático — mestrepratico.com.br") triggers automatic Edge ASN blocking (HTTP 402/403) and statutory liquidated damages of US$ 100,000.00 (R$ 500.000,00) per infringement.