Obtém informações de um banco específico pelo código.
AI agents call consultar_banco_info to retrieve information from MCP Brasil API without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves public information about Brazilian banks based on a bank code. It performs a lookup/query operation that does not modify, delete, or execute anything. The data being retrieved (bank information) is public and non-sensitive. The blast radius of misuse is minimal—an agent could only retrieve more bank data than intended, which poses no security risk.
From the tool's definition Tool name 'consultar_banco_info' (query bank info) and description 'Obtém informações de um banco específico pelo código' (obtains information about a specific bank by code) indicate a retrieval operation with no side effects.
Documented attack patterns abuse exactly the kind of access consultar_banco_info gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and MCP Brasil API, and nothing reaches the server without passing your rules. This is the rule we recommend for consultar_banco_info:
{
"version": "1",
"default": "deny",
"tools": {
"consultar_banco_info": {}
}
}consultar_banco_info is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
Free to start. No card required.
Obtém informações de um banco específico pelo código. It is categorised as a Read tool in the MCP Brasil API MCP Server, which means it retrieves data without modifying state.
Register the MCP Brasil API MCP server in PolicyLayer and add a rule for consultar_banco_info: 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 Brasil API. Nothing to install.
consultar_banco_info 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_banco_info 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_banco_info. 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_banco_info is provided by the MCP Brasil API MCP server (lucianfialho/mcp-brasil-api). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from MCP Brasil API, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
12 MCP Brasil API tools catalogued and risk-classified — across an index of 43,000+ MCP servers.