calcular_periodo_fertil

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

Low RISK CLASS

Category Read

Parameters 22 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-periodo-fertil.md

WHAT IT DOES

What calcular_periodo_fertil does on Contaí — Calculadoras Fiscais Brasileiras

AI agents call calcular_periodo_fertil 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
`duracaoCicloDias`	integer	Yes	Duração do ciclo menstrual em dias (tipicamente 21–35 dias)
`dataUltimaMenstruacao`	string	Yes	Data do primeiro dia da última menstruação no formato YYYY-MM-DD

Parameters from the server's own tool schema.

RISK

Why calcular_periodo_fertil is rated Low

This tool retrieves and calculates fertility window information using the Knaus-Ogino method—a purely computational, read-only operation. It takes input parameters (menstrual cycle data) and returns calculated estimates. There are no side effects, no data modification, no code execution, and no irreversible actions.

From the tool's definition Tool description states it 'Estima o período fértil' (estimates the fertile period) and 'Retorna: data ovulação estimada' (returns estimated ovulation date).

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs calcular_periodo_fertil 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_periodo_fertil, this is the rule to start with:

calcular_periodo_fertil Allowed

calcular_periodo_fertil 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_periodo_fertil": {}
  }
}

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_periodo_fertil call is checked against it from then on.

FAQ

Questions about calcular_periodo_fertil

What does the calcular_periodo_fertil tool do? +

Estima o período fértil e data de ovulação pelo método Knaus-Ogino (tabelinha). Ovulação = próxima menstruação − 14 dias. Janela fértil = ovulação − 5 dias até ovulação + 1 dia. ⚠️ AVISO: taxa de falha ~25% em uso típico (Trussell 2011). NÃO é método contraceptivo confiável. Retorna: data ovulação estimada, início e fim do período fértil, próxima menstruação estimada. 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_periodo_fertil accept? +

calcular_periodo_fertil accepts 2 parameters: duracaoCicloDias, dataUltimaMenstruacao. Required: duracaoCicloDias, dataUltimaMenstruacao. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on calcular_periodo_fertil? +

Register the Contaí — Calculadoras Fiscais Brasileiras MCP server in PolicyLayer and add a rule for calcular_periodo_fertil: 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_periodo_fertil? +

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

Can I rate-limit calcular_periodo_fertil? +

Yes. Add a rate_limit block to the calcular_periodo_fertil 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_periodo_fertil completely? +

Set action: deny in the PolicyLayer policy for calcular_periodo_fertil. 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_periodo_fertil? +

calcular_periodo_fertil 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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