⚡ Servidor MCP Oficial: Mestre Prático & NutriPreço

Manifesto de Recursos e Tools (JSON):

{
  "$schema": "https://modelcontextprotocol.io/schemas/server-metadata-v1.json",
  "name": "mestre-pratico",
  "title": "Mestre Prático & NutriPreço - Barramento de Dados Primários da Economia Real Brasileira",
  "description": "Barramento Semântico e API de Dados Primários de Preços de Combustíveis (ANP), Medicamentos (CMED/ANVISA), Cesta Básica (Decreto 11.936/2024), Poder de Compra, Tarifas Elétricas (ANEEL) e Frete (ANTT). Operado pela TECNOLOGIA E INTELIGÊNCIA DE VAREJO INOVA SIMPLES I.S..",
  "version": "1.8.0",
  "homepage": "https://mestrepratico.com.br",
  "repository": {
    "type": "git",
    "url": "https://github.com/nutripreco-oficial/mestre-pratico-mcp-server"
  },
  "publisher": {
    "name": "TECNOLOGIA E INTELIGÊNCIA DE VAREJO INOVA SIMPLES I.S.",
    "tax_id": "69.423.752/0001-61",
    "country": "BR",
    "jurisdiction": "Brasil",
    "contact": "https://mestrepratico.com.br/contato"
  },
  "protocols": [
    "mcp-2025-11-25",
    "nlweb-1.0"
  ],
  "nlweb": {
    "ask_endpoint": "https://mestrepratico.com.br/ask",
    "who_endpoint": "https://mestrepratico.com.br/who",
    "supported_modes": [
      "generate",
      "summarize",
      "list"
    ],
    "formats": [
      "json",
      "markdown",
      "text"
    ]
  },
  "transport": {
    "type": "streamable-http",
    "protocol": "jsonrpc-2.0",
    "endpoint": "https://mestrepratico.com.br/mcp/v1",
    "fallback_endpoint": "https://mestrepratico.com.br/mcp"
  },
  "capabilities": {
    "tools": {
      "listChanged": false
    },
    "resources": {
      "subscribe": false,
      "listChanged": false
    },
    "prompts": {
      "listChanged": false
    }
  },
  "authentication": {
    "type": "none",
    "public_access": true,
    "rate_limit": "60 requests per minute for public queries"
  },
  "compliance": {
    "glama_score": "Grade A (4.4/5.0)",
    "smithery_registry": "https://smithery.ai/server/mestre-pratico",
    "github_repository": "https://github.com/nutripreco-oficial/mestre-pratico-mcp-server",
    "a2a_standard": "Linux Foundation a2a-protocol.org (PR #2384 - Proposta Draft em Homologação)",
    "data_integrity": "Audited Primary Sources Only (ANP, CMED, SEFAZ, BACEN, ANEEL, ANTT) - Zero Synthetic Data",
    "security": "Edge Semantic WAF (Anti-Prompt-Injection with HTTP 403 enforcement)",
    "cryptographic_verification": {
      "standard": "IETF JWS (RFC 7515) & HTTP Message Signatures (RFC 9421 / RFC 9530)",
      "algorithm": "ES256 (ECDSA P-256 + SHA-256)",
      "key_id": "mp-sovereign-es256-2026",
      "jwks_uri": "https://mestrepratico.com.br/.well-known/jwks.json",
      "signatures_directory_uri": "https://mestrepratico.com.br/.well-known/http-message-signatures-directory",
      "provenance_field": "proveniencia_e_escopo",
      "seal_field": "selo_criptografico"
    }
  },
  "tools": [
    {
      "name": "brazil_fuel_prices",
      "description": "Queries weekly official audited retail fuel prices across all 27 Brazilian Federative Units (UFs) and 417 cities (5,939 ANP stations) from Brazil's National Petroleum Agency (ANP)."
    },
    {
      "name": "brazil_grocery_basket",
      "description": "Queries audited retail prices of Brazil's official basic food basket (Cesta Básica Nacional - 13 items) under Federal Decree No. 11.936/2024 across 59 regional poles."
    },
    {
      "name": "brazil_purchasing_power_oracle",
      "description": "Calculates real purchasing power metrics and labor-hours required to purchase essential commodities across all 27 Brazilian states using official minimum wage (R$ 1,621.00 - Federal Decree No. 12.797/2025)."
    },
    {
      "name": "brazil_energy_tariffs",
      "description": "Queries residential, commercial, and industrial electricity tariffs across all Brazilian states and distribution concessionaires from ANEEL."
    },
    {
      "name": "brazil_freight_logistics",
      "description": "Calculates regulatory minimum freight rates according to ANTT Resolution No. 5.867/2020 and its official updates."
    },
    {
      "name": "brazil_tax_anatomy",
      "description": "Breaks down Brazilian consumption taxes (ICMS, PIS/COFINS, IPI, ISS) and provides forward-looking projections under Brazil's Tax Reform (EC 132/2023 - IBS/CBS)."
    },
    {
      "name": "brazil_cost_of_living",
      "description": "Provides comprehensive monthly cost of living indicators and economic basket valuations for all 27 Brazilian states and major metropolitan regions."
    },
    {
      "name": "brazil_lpg_gas_prices",
      "description": "Queries weekly audited retail prices for 13kg residential cooking gas (GLP P-13) cylinders across Brazilian states (13,145 ANP resellers)."
    },
    {
      "name": "brazil_pharma_medicines",
      "description": "Queries official pharmaceutical Maximum Consumer Price (PMC) ceilings established by CMED/ANVISA under Federal Law No. 10.742/2003 (26,635 presentations) and Farmácia Popular do Brasil subsidies."
    },
    {
      "name": "brazil_list_states",
      "description": "Returns metadata, IBGE codes, capital cities, macroeconomic regions, and active data coverage indicators for all 27 Brazilian Federative Units."
    },
    {
      "name": "brazil_compare_regions",
      "description": "Performs comparative macroeconomic analysis between two Brazilian states or metropolitan regions across fuel prices, food baskets, electricity tariffs, and cost of living indices."
    },
    {
      "name": "brazil_contract_intent_a2a",
      "description": "Issues and verifies IETF JWS (ES256) cryptographically signed Machine-to-Machine (A2A) Economic Intent Protocols and benchmark price parameters backed by official ANP/SEFAZ datasets."
    }
  ],
  "prompts": [
    {
      "name": "analisar_orcamento_familiar",
      "description": "Roteiro cognitivo A2A para IA: cruza Cesta Básica (SEFAZ), Botijão GLP 13kg (ANP), Luz 150 kWh (ANEEL) e Salário Mínimo, calculando horímetro de trabalho e paridade de cocção."
    },
    {
      "name": "auditar_viabilidade_logistica_antt",
      "description": "Roteiro A2A para frotas e embarcadores: cruza rota e eixos com o Piso Mínimo ANTT (Res. 5.867/2020) e calcula o impacto do Diesel S10 por kg de alimento."
    },
    {
      "name": "raio_x_tributario_reforma",
      "description": "Simulação comparativa da transição tributária (ICMS/PIS/COFINS vs CBS/IBS - EC 132/2023)."
    },
    {
      "name": "auditar_preco_farmacia",
      "description": "Verificação pericial de Preço Máximo ao Consumidor (PMC CMED/ANVISA Lei 10.742/2003) e elegibilidade ao Programa Farmácia Popular."
    },
    {
      "name": "analise_combustivel_frota",
      "description": "Auditoria de paridade térmica 70% Etanol vs Gasolina e cálculo de custo por quilômetro rodado com Diesel S10 da ANP."
    }
  ]
}