calcular_tmb

SERVERContaí — Calculadoras Fiscais Brasileiras SOURCE@contai-evoluke/mcp-server

Low RISK CLASS

Category Read

Parameters 76 required

Recommended Allowedsee the rule below

Registry record Grade B, identity unverified Pull the record →

This record as markdown: /tools/io-github-lfhillesheim-contai-mcp-server/calcular-tmb.md

WHAT IT DOES

What calcular_tmb does on Contaí — Calculadoras Fiscais Brasileiras

AI agents call calcular_tmb 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.

Parameter	Type	Required	Description
`sexo`	string	Yes	Sexo biológico
`pesoKg`	number	Yes	Peso em quilogramas
`formula`	string	Yes	Fórmula a usar: mifflin_st_jeor (mais precisa), harris_benedict (clássica) ou katch_mcardle (requer % gordura)
`alturaCm`	number	Yes	Altura em centímetros
`idadeAnos`	integer	Yes	Idade em anos
`nivelAtividade`	string	Yes	Nível de atividade física: sedentario (×1,2), leve (×1,375), moderado (×1,55), intenso (×1,725), muito_intenso (×1,9)
`percentualGorduraCorporal`	number	—	Percentual de gordura corporal em % (necessário apenas para katch_mcardle)

Parameters from the server's own tool schema.

RISK

Why calcular_tmb is rated Low

This is a pure computational/query tool that performs mathematical calculations on provided inputs (age, weight, height, activity level, optionally body fat percentage) and returns calculated metabolic rates. It has no side effects, does not create or modify data, does not execute arbitrary code or external operations, and does not involve financial transactions or data destruction.

From the tool's definition Tool description states it 'Calcula Taxa Metabólica Basal (TMB) e Gasto Energético Total (GET)' using three formulas (Mifflin-St Jeor, Harris-Benedict, Katch-McArdle) and returns calculated values.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs calcular_tmb safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Contaí — Calculadoras Fiscais Brasileiras, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For calcular_tmb, this is the rule to start with:

calcular_tmb Allowed

calcular_tmb is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "calcular_tmb": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Contaí — Calculadoras Fiscais Brasileiras, apply this rule, and every calcular_tmb call is checked against it from then on.

FAQ

Questions about calcular_tmb

What does the calcular_tmb tool do? +

Calcula Taxa Metabólica Basal (TMB) e Gasto Energético Total (GET). Três fórmulas: Mifflin-St Jeor (1990, mais precisa), Harris-Benedict (1984 revisada), Katch-McArdle (usa massa magra, requer % gordura). GET = TMB × fator de atividade. Retorna: TMB em kcal, GET em kcal, fator de atividade aplicado. It is categorised as a Read tool in the Contaí — Calculadoras Fiscais Brasileiras MCP Server, which means it retrieves data without modifying state.

What parameters does calcular_tmb accept? +

calcular_tmb accepts 7 parameters: sexo, pesoKg, formula, alturaCm, idadeAnos, nivelAtividade, percentualGorduraCorporal. Required: sexo, pesoKg, formula, alturaCm, idadeAnos, nivelAtividade. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on calcular_tmb? +

Register the Contaí — Calculadoras Fiscais Brasileiras MCP server in PolicyLayer and add a rule for calcular_tmb: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Contaí — Calculadoras Fiscais Brasileiras. Nothing to install.

What risk level is calcular_tmb? +

calcular_tmb is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit calcular_tmb? +

Yes. Add a rate_limit block to the calcular_tmb rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block calcular_tmb completely? +

Set action: deny in the PolicyLayer policy for calcular_tmb. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides calcular_tmb? +

calcular_tmb is provided by the Contaí — Calculadoras Fiscais Brasileiras MCP server (@contai-evoluke/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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