AI agents call get_marketplace_member 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.
This tool retrieves marketplace member data without modifying, executing code, or committing financial transactions. The operation is informational in nature, returning existing data about marketplace participants. No destructive, financial, or executable operations are implied.
From the tool's definition Tool name 'get_marketplace_member' and description 'Get marketplace member information' indicate a retrieval operation with no side effects. The verb 'Get' and context of fetching member information from a marketplace are consistent with read-only operations.
Documented attack patterns abuse exactly the kind of access get_marketplace_member gives an agent:
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_marketplace_member:
{
"version": "1",
"default": "deny",
"tools": {
"get_marketplace_member": {}
}
}get_marketplace_member is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get marketplace member information. It is categorised as a Read tool in the eToro MCP Server MCP Server, which means it retrieves data without modifying state.
Register the eToro MCP Server MCP server in PolicyLayer and add a rule for get_marketplace_member: 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.
get_marketplace_member 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_marketplace_member 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_marketplace_member. 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_marketplace_member 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.
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.
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154 eToro MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.