Get delivery modality (forma de entrega) for a CEP and service — whether delivery is domicile, agency pickup, etc.
AI agents call get_delivery_modality to retrieve information from Mcp Ap2 without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a read-only operation that queries and returns delivery information without modifying any data, creating side effects, or executing external operations. The blast radius of misuse is minimal — an attacker could only retrieve information about delivery options, not modify orders, process payments, or cause irreversible changes.
From the tool's definition The tool 'get_delivery_modality' retrieves information about delivery options for a given CEP (Brazilian postal code) and service. The description explicitly states it 'Get[s]' delivery modality and identifies whether delivery is 'domicile, agency pickup, etc.
Documented attack patterns abuse exactly the kind of access get_delivery_modality gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Mcp Ap2, and nothing reaches the server without passing your rules. This is the rule we recommend for get_delivery_modality:
{
"version": "1",
"default": "deny",
"tools": {
"get_delivery_modality": {}
}
}get_delivery_modality is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get delivery modality (forma de entrega) for a CEP and service — whether delivery is domicile, agency pickup, etc. It is categorised as a Read tool in the Mcp Ap2 MCP Server, which means it retrieves data without modifying state.
Register the Mcp Ap2 MCP server in PolicyLayer and add a rule for get_delivery_modality: 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 Ap2. Nothing to install.
get_delivery_modality 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 get_delivery_modality 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 get_delivery_modality. 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.
get_delivery_modality is provided by the Mcp Ap2 MCP server (@codespar/mcp-ap2). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Mcp Ap2, 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.
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