Busca empresas pelo NOME (razao social ou nome fantasia). QUANDO USAR: - Sabe o nome mas nao o CNPJ - Quer encontrar todas as unidades de uma rede PARAMETROS: - nome: Termo de busca (minimo 3 caracteres) - uf: Filtrar por estado (opcional) - limite: Quantidade maxima (padrao: 50)
AI agents call buscar_por_nome 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 is a straightforward database query tool that retrieves company information from the Federal Revenue database based on search criteria. It retrieves or lists data with no side effects—no data is created, modified, deleted, or executed. The search is read-only against public Brazilian company registry data.
From the tool's definition Tool name 'buscar_por_nome' and description indicate it 'Busca empresas pelo NOME' (searches companies by name). Parameters are 'nome' (search term), 'uf' (optional state filter), and 'limite' (result limit).
Attacks that exploit this kind of access
Busca empresas pelo NOME (razao social ou nome fantasia). QUANDO USAR: - Sabe o nome mas nao o CNPJ - Quer encontrar todas as unidades de uma rede PARAMETROS: - nome: Termo de busca (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_nome: 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_nome 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_nome 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_nome. 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_nome 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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