get_access_group

THE RISK

Low Risk

Why get_access_group needs a policy

This tool retrieves access group information without side effects. The verb 'Read' and the absence of any modification, deletion, or execution semantics classify this as a Read operation. Severity is low because reading access group metadata poses minimal risk unless the data itself contains sensitive information, but the tool itself performs no destructive or impactful action.

From the tool's definition Tool name is 'get_access_group' and description explicitly states 'Read an access group', indicating a data retrieval operation with no modification.

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

POLICY

How to control get_access_group

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_access_group:

policy.json

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

get_access_group 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

Related tools and policies

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All 154 eToro MCP Server tools →

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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_access_group

What does the get_access_group tool do? +

Read an access group. 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_access_group? +

Register the eToro MCP Server MCP server in PolicyLayer and add a rule for get_access_group: 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_access_group? +

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

Can I rate-limit get_access_group? +

Yes. Add a rate_limit block to the get_access_group 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_access_group completely? +

Set action: deny in the PolicyLayer policy for get_access_group. 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_access_group? +

get_access_group 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 →