consultar_tabela_inss_irrf
Retorna as tabelas oficiais brasileiras de INSS (previdência) e IRRF (imposto de renda retido na fonte) numa chamada. Útil quando o LLM precisa validar um cálculo feito por conta própria, explicar faixas progressivas, ou compor com outra lógica. Valores em centavos (int) para precisão monetária. ...
This record as markdown: /tools/io-github-lfhillesheim-contai-mcp-server/consultar-tabela-inss-irrf.md
What consultar_tabela_inss_irrf does on Contaí — Calculadoras Fiscais Brasileiras
AI agents call consultar_tabela_inss_irrf 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 |
|---|---|---|---|
ano | integer | — | Ano de referência. Apenas 2026 vigente no momento. |
tabela | string | Yes | Qual tabela retornar: inss, irrf, ou ambas |
Parameters from the server's own tool schema.
Why consultar_tabela_inss_irrf is rated Low
This tool retrieves and queries official Brazilian tax and social security tables (INSS and IRRF). It performs no modifications, deletions, or external operations—purely fetching reference data to support calculations and validations. It is a classic Read operation: retrieves data with no side effects.
From the tool's definition Tool description states it 'Retorna as tabelas oficiais brasileiras' (returns official Brazilian tables) and is 'Útil quando o LLM precisa validar um cálculo' (useful when the LLM needs to validate a calculation).
Attacks that exploit this kind of access
The rule that runs consultar_tabela_inss_irrf 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 consultar_tabela_inss_irrf, this is the rule to start with:
consultar_tabela_inss_irrf is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Contaí — Calculadoras Fiscais Brasileiras, apply this rule, and every consultar_tabela_inss_irrf call is checked against it from then on.
Questions about consultar_tabela_inss_irrf
Retorna as tabelas oficiais brasileiras de INSS (previdência) e IRRF (imposto de renda retido na fonte) numa chamada. Útil quando o LLM precisa validar um cálculo feito por conta própria, explicar faixas progressivas, ou compor com outra lógica. Valores em centavos (int) para precisão monetária. Pra granular (só INSS ou só IRRF) use consultar_inss_vigente ou consultar_irpf_tabela. It is categorised as a Read tool in the Contaí — Calculadoras Fiscais Brasileiras MCP Server, which means it retrieves data without modifying state.
consultar_tabela_inss_irrf accepts 2 parameters: ano, tabela. Required: tabela. The full parameter table on this page comes from the server's own tool schema.
Register the Contaí — Calculadoras Fiscais Brasileiras MCP server in PolicyLayer and add a rule for consultar_tabela_inss_irrf: 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.
consultar_tabela_inss_irrf is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the consultar_tabela_inss_irrf 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.
Set action: deny in the PolicyLayer policy for consultar_tabela_inss_irrf. 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.
consultar_tabela_inss_irrf 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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