get_ibge_states

THE RISK

Low Risk

Why get_ibge_states needs a policy

This tool performs a simple data retrieval operation (list/get) that returns geographic reference information about Brazilian states. It has no capability to modify, delete, or execute operations. The data retrieved (IBGE codes and state metadata) is read-only reference information. The low severity reflects minimal blast radius—misuse would only return publicly available geographic data.

From the tool's definition Tool name 'get_ibge_states' with description 'List all Brazilian states/UFs with IBGE codes and metadata' indicates a retrieval operation that returns reference data without modification or side effects.

Documented attack patterns abuse exactly the kind of access get_ibge_states gives an agent:

POLICY

How to control get_ibge_states

PolicyLayer is an MCP gateway — it sits between your AI agents and Mcp Afip, and nothing reaches the server without passing your rules. This is the rule we recommend for get_ibge_states:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_ibge_states": {}
  }
}

get_ibge_states is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Mcp Afip — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
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FAQ

Questions about get_ibge_states

What does the get_ibge_states tool do? +

List all Brazilian states/UFs with IBGE codes and metadata. It is categorised as a Read tool in the Mcp Afip MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_ibge_states? +

Register the Mcp Afip MCP server in PolicyLayer and add a rule for get_ibge_states: 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 Afip. Nothing to install.

What risk level is get_ibge_states? +

get_ibge_states is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_ibge_states? +

Yes. Add a rate_limit block to the get_ibge_states 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.

How do I block get_ibge_states completely? +

Set action: deny in the PolicyLayer policy for get_ibge_states. 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.

What MCP server provides get_ibge_states? +

get_ibge_states is provided by the Mcp Afip MCP server (codespar/mcp-dev-latam). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Mcp Afip tool call.

Start from Mcp Afip, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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