Busca empresas por NOME DE SOCIO. QUANDO USAR: - Quer encontrar todas empresas de um empresario - Precisa mapear portfolio de um investidor PARAMETROS: - nome: Nome do socio (minimo 3 caracteres) - uf: Filtrar por estado (opcional) - limite: Quantidade maxima (padrao: 50)
AI agents call buscar_por_socio 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 performs a read-only query operation against a public database of Brazilian company information. It retrieves data based on search parameters without modifying, deleting, or executing any operations. The data returned appears to be from official Federal Revenue records, which are public information. No side effects or irreversible actions are possible.
From the tool's definition Tool description states 'Busca empresas por NOME DE SOCIO' (searches companies by partner/shareholder name). Parameters are nome (name), uf (state filter), and limite (result limit).
Attacks that exploit this kind of access
Busca empresas por NOME DE SOCIO. QUANDO USAR: - Quer encontrar todas empresas de um empresario - Precisa mapear portfolio de um investidor PARAMETROS: - nome: Nome do socio (minimo 3 caracteres) - uf: Filtrar por estado (opcional) - limite: Quantidade maxima (padrao: 50). 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 buscar_por_socio: 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.
buscar_por_socio 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 buscar_por_socio 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 buscar_por_socio. 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.
buscar_por_socio 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.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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