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Works with

Claude CodeClaude DesktopCursorVS CodeClineCodex CLIOpenClaw+ any MCP client

Install to Claude Code

This server doesn't publish a one-line install command. Follow the setup in the source repository.

Summary

MCP server with Brazilian financial calculators and economic data. Includes tools for salary, investments, loans, taxes, and cost of living.

README.md

falazuki-finance-br

MCP server com calculadoras financeiras e dados econômicos do Brasil.

25 tools para cálculos financeiros, trabalhistas, tributários e planejamento financeiro.

Tools

Calculadoras Financeiras (9)

| Tool | Descrição | |------|-----------| | calculate_net_salary | Salário líquido CLT (INSS + IRRF) | | calculate_compound_interest | Juros compostos com aportes mensais | | calculate_installment | Parcelas de financiamento (Price) | | calculate_financing | Financiamento imobiliário SAC vs Price | | calculate_investment_return | Rendimento renda fixa (CDB, LCI, Tesouro, Poupança) | | calculate_budget | Orçamento pela regra 50/30/20 | | calculate_opportunity_cost | Quanto um gasto recorrente viraria investido | | calculate_inflation_adjustment | Correção de valor pela inflação (IPCA) | | calculate_real_salary | Salário real vs inflação |

Calculadoras Trabalhistas (5)

| Tool | Descrição | |------|-----------| | calculate_severance | Rescisão trabalhista CLT completa | | calculate_overtime | Horas extras CLT (50% e 100%) | | calculate_vacation_pay | Férias CLT + 1/3 + abono | | calculate_thirteenth_salary | 13º salário com descontos | | calculate_mei_tax | DAS MEI mensal |

Planejamento Financeiro (4)

| Tool | Descrição | |------|-----------| | calculate_financial_independence | Quanto precisa para viver de renda | | calculate_emergency_fund | Reserva de emergência ideal | | calculate_debt_payoff | Plano de quitação (avalanche vs bola de neve) | | compare_clt_vs_pj | Comparação CLT vs PJ |

Dados de Referência (5)

| Tool | Descrição | |------|-----------| | get_cost_of_living | Custo de vida por cidade brasileira (15 cidades) | | get_average_salary | Salário médio por profissão (25 profissões) | | get_current_rates | Selic, CDI, IPCA, IGP-M, dólar, euro | | get_inss_table | Tabela INSS 2026 | | get_irpf_table | Tabela IRPF 2026 |

Recursos (2)

| Tool | Descrição | |------|-----------| | search_calculator | Busca calculadora por tema | | get_falazuki_info | Informações sobre o Fala, Zuki! |

Uso com Claude Desktop

{
  "mcpServers": {
    "falazuki-finance-br": {
      "command": "npx",
      "args": ["-y", "falazuki-finance-br"]
    }
  }
}

Arquitetura

src/
├── index.ts                    — Entry point (stdio)
├── server.ts                   — Server setup
├── lib/                        — Shared utilities
│   ├── brazilian-tax.ts        — INSS, IRRF, IR investimentos
│   ├── constants.ts            — URLs, brand
│   ├── math.ts                 — round, pmt, rate conversions
│   ├── format.ts               — Response formatters
│   └── search.ts               — Fuzzy matching
├── calculators/                — 1 arquivo por calculadora (18)
├── data-tools/                 — Consultas de dados (5)
├── resources/                  — Busca e info (2)
└── data/                       — JSON datasets
    ├── cities.json             — 15 cidades
    ├── professions.json        — 25 profissões
    ├── rates.json              — Taxas econômicas
    ├── inss-table.json         — Tabela INSS 2026
    └── irpf-table.json         — Tabela IRPF 2026

Dados

Fontes: IBGE, CAGED, Banco Central do Brasil, Receita Federal.

Licença

MIT

---

Por Fala, Zuki! — Assistente financeiro pessoal no WhatsApp.

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