Low Risk

list_access_groups

List access groups for a team, project or member

How to control list_access_groups ↓

What list_access_groups does on eToro MCP Server

AI agents call list_access_groups to retrieve information from eToro MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Low Risk

Why list_access_groups needs a policy

This tool performs a read-only query operation that retrieves and lists existing access groups. It has no side effects, does not create, modify, or delete data, and does not execute code or trigger external operations. The blast radius of misuse is minimal—an attacker could enumerate access group metadata but cannot escalate privileges or cause damage through the list operation alone.

From the tool's definition Tool name 'list_access_groups' with description 'List access groups for a team, project or member' indicates retrieval of access group information without modification or execution of code.

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

How to control list_access_groups

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 list_access_groups:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "list_access_groups": {}
  }
}

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

  1. Create a free account and register eToro MCP Server — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
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Related tools and policies

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Questions about list_access_groups

What does the list_access_groups tool do? +

List access groups for a team, project or member. 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 list_access_groups? +

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

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

Can I rate-limit list_access_groups? +

Yes. Add a rate_limit block to the list_access_groups 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 list_access_groups completely? +

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

list_access_groups 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.

Free to start. No card required.

154 eToro MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.

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