Retorna SETORES com mais empresas (ranking de CNAEs). QUANDO USAR: - Identificando mercados maiores - Analise de oportunidade por vertical PARAMETROS: - limite: Top N CNAEs (padrao: 20)
AI agents call estatisticas_por_cnae to retrieve information from MCP CNPJ Intelligence without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns statistical rankings of business sectors (CNAEs) by company count. It retrieves aggregated data without modification, side effects, or resource-intensive operations. The use cases ('Identificando mercados maiores', 'Analise de oportunidade por vertical') confirm it is for market analysis and discovery.
From the tool's definition Tool name 'estatisticas_por_cnae' and description 'Retorna SETORES com mais empresas (ranking de CNAEs)' indicate retrieval and aggregation of statistics. Parameters show only 'limite' (limit) for controlling result size.
Attacks that exploit this kind of access
Retorna SETORES com mais empresas (ranking de CNAEs). QUANDO USAR: - Identificando mercados maiores - Analise de oportunidade por vertical PARAMETROS: - limite: Top N CNAEs (padrao: 20). It is categorised as a Read tool in the MCP CNPJ Intelligence MCP Server, which means it retrieves data without modifying state.
Register the MCP CNPJ Intelligence MCP server in PolicyLayer and add a rule for estatisticas_por_cnae: 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 MCP CNPJ Intelligence. Nothing to install.
estatisticas_por_cnae 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 estatisticas_por_cnae 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 estatisticas_por_cnae. 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.
estatisticas_por_cnae is provided by the MCP CNPJ Intelligence MCP server (raphaelmarra/mcp-cnpj-intelligence). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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