# calcular_holding_operacional_economia

Calcula a economia tributária gerada pela criação de uma holding operacional, comparando a carga fiscal atual com a projetada após a reestruturação. Considera custo de implantação, manutenção mensal e calcula o payback do investimento na holding. Retorna a economia líquida acumulada no prazo, payback em meses e se a operação compensa.

Agent View of the PolicyLayer registry record for `calcular_holding_operacional_economia`. HTML page: https://policylayer.com/tools/io-github-lfhillesheim-contai-mcp-server/calcular-holding-operacional-economia

## Facts

- Tool: `calcular_holding_operacional_economia`
- Server: Contaí — Calculadoras Fiscais Brasileiras (`@contai-evoluke/mcp-server`) — https://policylayer.com/tools/io-github-lfhillesheim-contai-mcp-server.md
- Install: `npx -y @contai-evoluke/mcp-server`
- Homepage: https://github.com/lfhillesheim/calculadora
- Risk category: Read (Low risk)
- Registry record: grade B, identity unverified
- Server rate-limited: no
- Parameters: 7 (3 required)
- Recommended policy verdict: Allowed

## Parameters

| Parameter | Type | Required | Description |
| --- | --- | --- | --- |
| `prazoAnaliseAnos` | integer | no | Prazo de análise em anos inteiros (1 a 20). Padrão: 5 anos. |
| `custosHoldingMensais` | array | no | Custos mensais da holding categorizados (contador_juridico, software_assinaturas, utilidades, outro — para taxas de junta, ITCMD anualizado, etc). Quando preenc |
| `aliquotaComHoldingPct` | number | yes | Alíquota tributária efetiva projetada com holding (% sobre o faturamento). Deve ser menor que a sem holding. |
| `aliquotaSemHoldingPct` | number | yes | Alíquota tributária efetiva atual sem holding (% sobre o faturamento). Ex: 15 = 15%. |
| `faturamentoMensalCents` | integer | yes | Faturamento mensal do grupo empresarial em centavos. |
| `custoMensalHoldingCents` | integer | no | Custo mensal AGREGADO de manutenção da holding em centavos. Ignorado quando "custosHoldingMensais" tem itens. Padrão: R$ 1.500/mês. |
| `custoImplantacaoHoldingCents` | integer | no | Custo único de implantação da holding em centavos. Padrão: R$ 5.000. |

Parameters from the server's own tool schema.

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "calcular_holding_operacional_economia",
    "arguments": {
      "aliquotaComHoldingPct": 0,
      "aliquotaSemHoldingPct": 0,
      "faturamentoMensalCents": 0
    }
  }
}
```

## Why calcular_holding_operacional_economia is rated Low

This is a financial calculator/simulator that queries tax scenarios and returns computed projections. It reads input parameters and outputs numerical analyses and comparisons, with no side effects on actual financial systems, accounts, or legal structures. The tool facilitates decision-making but does not execute transactions, create binding obligations, or modify real data.

From the tool's own definition: "Tool performs calculation and projection of tax savings from a hypothetical holding structure, returning computed values: 'economia líquida acumulada', 'payback em meses', and advisory recommendation."

Risk signals: High parameter count (10 properties)

## Use case

AI agents call calcular_holding_operacional_economia to retrieve information from Contaí — Calculadoras Fiscais Brasileiras without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

## Recommended policy (PolicyLayer)

Verdict: **Allowed**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Contaí — Calculadoras Fiscais Brasileiras:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "calcular_holding_operacional_economia": {}
  }
}
```

## Other tools on Contaí — Calculadoras Fiscais Brasileiras (138)

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- `calcular_adicional_noturno` — Read — https://policylayer.com/tools/io-github-lfhillesheim-contai-mcp-server/calcular-adicional-noturno.md
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- `calcular_auxilio_doenca` — Read — https://policylayer.com/tools/io-github-lfhillesheim-contai-mcp-server/calcular-auxilio-doenca.md
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- `calcular_bdr_vs_etf_vs_acao_direta` — Read — https://policylayer.com/tools/io-github-lfhillesheim-contai-mcp-server/calcular-bdr-vs-etf-vs-acao-direta.md
- `calcular_bola_de_neve_dividas` — Read — https://policylayer.com/tools/io-github-lfhillesheim-contai-mcp-server/calcular-bola-de-neve-dividas.md
- `calcular_bolsa_estagio` — Read — https://policylayer.com/tools/io-github-lfhillesheim-contai-mcp-server/calcular-bolsa-estagio.md
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- `calcular_calculadora_milhas_passagem` — Read — https://policylayer.com/tools/io-github-lfhillesheim-contai-mcp-server/calcular-calculadora-milhas-passagem.md
- `calcular_calorias_macros` — Read — https://policylayer.com/tools/io-github-lfhillesheim-contai-mcp-server/calcular-calorias-macros.md
- `calcular_capital_de_giro_necessario` — Read — https://policylayer.com/tools/io-github-lfhillesheim-contai-mcp-server/calcular-capital-de-giro-necessario.md
- `calcular_carne_leao` — Read — https://policylayer.com/tools/io-github-lfhillesheim-contai-mcp-server/calcular-carne-leao.md
- `calcular_cartao_credito_cashback_anuidade` — Read — https://policylayer.com/tools/io-github-lfhillesheim-contai-mcp-server/calcular-cartao-credito-cashback-anuidade.md
- `calcular_cdb_vs_lci_vs_tesouro_vs_poupanca` — Read — https://policylayer.com/tools/io-github-lfhillesheim-contai-mcp-server/calcular-cdb-vs-lci-vs-tesouro-vs-poupanca.md
- `calcular_comparador_regime_tributario` — Read — https://policylayer.com/tools/io-github-lfhillesheim-contai-mcp-server/calcular-comparador-regime-tributario.md
- `calcular_consorcio_credito_empresarial` — Read — https://policylayer.com/tools/io-github-lfhillesheim-contai-mcp-server/calcular-consorcio-credito-empresarial.md
- `calcular_consorcio_vs_financiamento` — Read — https://policylayer.com/tools/io-github-lfhillesheim-contai-mcp-server/calcular-consorcio-vs-financiamento.md
- `calcular_consultoria_pj_saude_financeira` — Read — https://policylayer.com/tools/io-github-lfhillesheim-contai-mcp-server/calcular-consultoria-pj-saude-financeira.md
- `calcular_consumo_agua` — Read — https://policylayer.com/tools/io-github-lfhillesheim-contai-mcp-server/calcular-consumo-agua.md
- `calcular_conversao_moedas_iof` — Read — https://policylayer.com/tools/io-github-lfhillesheim-contai-mcp-server/calcular-conversao-moedas-iof.md
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- `calcular_custo_efetivo_total` — Read — https://policylayer.com/tools/io-github-lfhillesheim-contai-mcp-server/calcular-custo-efetivo-total.md
- …and 108 more: https://policylayer.com/tools/io-github-lfhillesheim-contai-mcp-server.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=io-github-lfhillesheim-contai-mcp-server · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/io-github-lfhillesheim-contai-mcp-server