check_irrf_deduction

SERVERFalaZuki Finance BR SOURCEhttps://mcp.falazuki.com/mcp

Low RISK CLASS

Category Read

Parameters 64 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/com-falazuki-finance-br/check-irrf-deduction.md

WHAT IT DOES

What check_irrf_deduction does on FalaZuki Finance BR

AI agents call check_irrf_deduction to retrieve information from FalaZuki Finance BR 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
`dependents`	integer	—	Dependentes declarados na fonte pagadora
`gross_salary`	number	Yes	Rendimento bruto tributável do mês, em R$
`inss_deduction`	number	Yes	O INSS descontado no mesmo holerite, em R$ (dedução legal da base)
`reference_date`	string	Yes	Qualquer dia dentro da competência a conferir, aaaa-mm-dd
`informed_deduction`	number	Yes	O IRRF que consta no documento, em R$
`has_other_deductions`	boolean	—	Existe pensão alimentícia ou outra dedução na base do IRRF? Se sim, a conferência recusa em vez de comparar errado

Parameters from the server's own tool schema.

RISK

Why check_irrf_deduction is rated Low

Even though check_irrf_deduction only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs check_irrf_deduction safely

PolicyLayer is an MCP gateway: it sits between your AI agents and FalaZuki Finance BR, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For check_irrf_deduction, this is the rule to start with:

check_irrf_deduction Allowed

check_irrf_deduction 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": {
    "check_irrf_deduction": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect FalaZuki Finance BR, apply this rule, and every check_irrf_deduction call is checked against it from then on.

FAQ

Questions about check_irrf_deduction

What does the check_irrf_deduction tool do? +

Confere se o IRRF retido de um empregado CLT bate com o esperado pela tabela vigente NA COMPETÊNCIA (cobertura verificada desde jan/2007, incluindo o desconto simplificado desde mai/2023 e o redutor da Lei 15.270/2025 em 2026). Reconstrói a base (bruto menos INSS informado e dependentes, ou o simplificado quando maior), compara informado × esperado e devolve a diferença com a derivação passo a passo, a norma e a fonte oficial conferida. Diferenças de até R$ 0,10 são tratadas como arredondamento de folha, declaradas e nunca apagadas. Se houver pensão alimentícia ou outras deduções na base, recusa declarando: comparar sem elas apontaria diferença falsa. Parâmetros obrigatórios: gross_salary, inss_deduction, informed_deduction, reference_date. Opcionais: dependents, has_other_deductions. Use exatamente estes nomes, em inglês. It is categorised as a Read tool in the FalaZuki Finance BR MCP Server, which means it retrieves data without modifying state.

What parameters does check_irrf_deduction accept? +

check_irrf_deduction accepts 6 parameters: dependents, gross_salary, inss_deduction, reference_date, informed_deduction, has_other_deductions. Required: gross_salary, inss_deduction, reference_date, informed_deduction. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on check_irrf_deduction? +

Register the FalaZuki Finance BR MCP server in PolicyLayer and add a rule for check_irrf_deduction: 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 FalaZuki Finance BR. Nothing to install.

What risk level is check_irrf_deduction? +

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

Can I rate-limit check_irrf_deduction? +

Yes. Add a rate_limit block to the check_irrf_deduction 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 check_irrf_deduction completely? +

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

check_irrf_deduction is provided by the FalaZuki Finance BR MCP server (https://mcp.falazuki.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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