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