get_firewall_config

THE RISK

Low Risk

Why get_firewall_config needs a policy

The verb 'retrieve' combined with a read-only information query (firewall configuration) classifies this as a Read operation. There are no side effects, no data modification, and no execution of external operations.

From the tool's definition Tool name 'get_firewall_config' and description 'Retrieve the firewall configuration' indicate a retrieval operation with no modification of data.

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

POLICY

How to control get_firewall_config

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

policy.json

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

get_firewall_config 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 eToro MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about get_firewall_config

What does the get_firewall_config tool do? +

Retrieve the firewall configuration. It is categorised as a Read tool in the eToro MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_firewall_config? +

Register the eToro MCP Server MCP server in PolicyLayer and add a rule for get_firewall_config: 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 eToro MCP Server. Nothing to install.

What risk level is get_firewall_config? +

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

Can I rate-limit get_firewall_config? +

Yes. Add a rate_limit block to the get_firewall_config 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_firewall_config completely? +

Set action: deny in the PolicyLayer policy for get_firewall_config. 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_firewall_config? +

get_firewall_config is provided by the eToro MCP Server MCP server (shlomico-tr/etoroportfoliomcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every eToro MCP Server tool call.

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

CHECK YOUR STACK →