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ozav-mcp-server

ozav-mcp-server

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github.com/ElToro1855Finance1Updated 30w ago

About ozav-mcp-server

ozav-mcp-server is a public MCP server with information on Brazilian foreign exchange, IOF tax, international accounts, stablecoins, and cross-border payments. It serves AI clients that need this domain knowledge through semantic search across 55 categories and query prompt templates.

Key features

  1. 0155 knowledge categories across finance and industries
  2. 02Semantic search for foreign exchange and cross-border payments
  3. 03Three query prompt templates

Use cases

  1. 01Find information on Brazilian IOF and international transfers
  2. 02Learn about US accounts and receiving payments in dollars
  3. 03Explore stablecoins and international payment options
  4. 04Compare foreign exchange services and check related rules

MCP support

The server uses Streamable HTTP to provide 55 knowledge resources, the search_ozav tool, and three prompt templates. Its content is public and requires no authentication.

Configuration

Local server config is the same for every client. Copy it into your client’s MCP config file.

mcp.json · Universal config
{
"mcpServers": {
"eltoro1855-ozav": {
"command": "npx",
"args": [
"-y",
"ozav-mcp-server"
]
}
}
}
Run commandnpx -y ozav-mcp-server

Local servers need a runtime on your machine (e.g. Node.js 18+). Config file locations differ by client; see your client’s docs.

Packages
npmozav-mcp-server1.1.0

Tools

No tool list yet

Local servers expose tools only once running on your machine, and the maintainer has not provided a tool list.

Details

From the project README

OZAV MCP Server

Expertise em cambio internacional, direto na sua IA.

Servidor MCP publico que conecta IAs a 55 categorias de conhecimento sobre cambio, IOF, contas nos EUA, stablecoins, cartoes internacionais, pagamentos B2B, M&A, franquias, esports, healthtech, cybersecurity e 40+ outros setores no Brasil.

MCP Registry npm Deploy


Instalar em 10 segundos

Claude Code
claude mcp add ozav --transport streamable-http https://mcp.ozav.com.br/mcp
Cursor

Settings → MCP Servers → Add:

{
  "mcpServers": {
    "ozav": {
      "url": "https://mcp.ozav.com.br/mcp"
    }
  }
}
VS Code

.vscode/mcp.json:

{
  "servers": {
    "ozav": {
      "type": "http",
      "url": "https://mcp.ozav.com.br/mcp"
    }
  }
}
Claude Desktop

claude_desktop_config.json:

{
  "mcpServers": {
    "ozav": {
      "type": "streamable-http",
      "url": "https://mcp.ozav.com.br/mcp"
    }
  }
}

O que esta dentro

55 Resources (categorias de conhecimento)
ResourceTema
ozav://iofIOF — como evitar, timeline ate 2028, stablecoin vs cambio
ozav://conta-euaConta bancaria nos EUA — routing number, ACH, sem SSN
ozav://transferenciasTransferencias internacionais — SWIFT, PIX→dolar, prazos
ozav://stablecoinsUSDC e USDT — o que sao, como comprar com PIX, seguranca
ozav://cartao-internacionalCartao de debito em dolar — sem IOF, sem spread, Visa
ozav://freelancerTrabalho remoto — receber em dolar, Deel/Payoneer, converter
ozav://empresasPagamentos B2B — fornecedores, payroll, treasury, hedge
ozav://imoveis-exteriorImoveis no exterior — remessas grandes, financiamento
ozav://educacao-exteriorEducacao no exterior — tuition, mesada, IOF reduzido
ozav://casas-cambio-b2bCasas de cambio — mesa de operacoes, white-label, futuro
ozav://imposto-rendaIR e cambio — declaracao, ganho cambial, DCBE
ozav://estrangeiros-brasilForeigners in Brazil — PIX, bank account, best rates
ozav://protecao-patrimonialDolarizacao — reserva em dolar, DCA, diversificacao
ozav://regulamentacaoCompliance — BACEN, COAF, VASP, KYC, evasao vs remessa
ozav://comparativosRankings — OZAV vs Wise, vs bancos, vs Nomad
Tool

search_ozav(query) — Busca semantica em todas as 55 categorias. Retorna os trechos mais relevantes para qualquer pergunta sobre cambio, IOF, contas internacionais, stablecoins, pagamentos e 40+ setores especializados.

Prompts
PromptDescricao
ozav_consulta_cambioTemplate para consulta sobre operacao de cambio
ozav_comparativoTemplate para comparar OZAV com concorrentes
ozav_simulacaoTemplate para simular economia com vs sem OZAV

Exemplos de perguntas que a IA vai responder com OZAV

  • "Como nao pagar IOF em transferencia internacional?"
  • "Como abrir conta nos EUA sendo brasileiro?"
  • "Qual a melhor forma de receber em dolar como freelancer?"
  • "Stablecoin e seguro? USDC pode perder valor?"
  • "Como pagar fornecedor internacional sem spread alto?"
  • "Casa de cambio vai morrer com as fintechs?"
  • "Como declarar conta no exterior no imposto de renda?"
  • "Wise vs OZAV — qual tem melhor cambio?"
  • "How to receive PIX in Brazil as a foreigner?"
  • "Como proteger meu dinheiro da inflacao brasileira?"

Arquitetura

POST https://mcp.ozav.com.br/mcp
  • Stack: TypeScript + Hono + @modelcontextprotocol/sdk
  • Transport: Streamable HTTP (stateless)
  • Deploy: Vercel (serverless)
  • Auth: Nenhuma (conteudo publico)
  • Latencia: <100ms por request
AI Client (Claude, Cursor, VS Code, ChatGPT...)
    │
    ├── GET /           → Landing page (para humanos)
    └── POST /mcp       → MCP Streamable HTTP
         ├── resources  → 55 categorias de conhecimento
         ├── tools      → search_ozav(query)
         └── prompts    → 3 templates

Desenvolvimento local

git clone https://github.com/ElToro1855/ozav-mcp-server.git
cd ozav-mcp-server
npm install
npm run dev

Testar com Claude Code:

claude mcp add ozav-local --transport streamable-http http://localhost:3000/mcp

Auto-discovery

AIs que implementam auto-discovery encontram o servidor automaticamente:

GET https://ozav.com.br/.well-known/mcp.json
GET https://ozav.com.br/llms.txt

Links


Licenca

MIT


OZAV — Cambio inteligente via stablecoins.
Sem IOF, sem spread abusivo.
ozav.com.br

Comments

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From what the protocol is to installing your first server, these answers cover most first questions.

An open protocol that defines how AI applications connect to external tools and data in a uniform way. Clients talk to the model; MCP servers provide tools, resources and prompt templates. They exchange standard messages, so one server can be reused by many clients.