AI agents call list_funds to retrieve information from Standard Metrics MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a simple data retrieval operation to list funds. It has no side effects, does not create, modify, delete, or execute external operations. The verb 'list' is characteristic of Read category tools. The blast radius of misuse is minimal—an agent might expose fund names but cannot perform financial transactions, delete data, or trigger external effects.
From the tool's definition Tool name 'list_funds' and description 'List all funds associated with the firm' indicate a read-only operation that retrieves and enumerates data without modifying or executing actions.
Documented attack patterns abuse exactly the kind of access list_funds gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Standard Metrics MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for list_funds:
{
"version": "1",
"default": "deny",
"tools": {
"list_funds": {}
}
}list_funds is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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List all funds associated with the firm. It is categorised as a Read tool in the Standard Metrics MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Standard Metrics MCP Server MCP server in PolicyLayer and add a rule for list_funds: 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 Standard Metrics MCP Server. Nothing to install.
list_funds 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 list_funds 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 list_funds. 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.
list_funds is provided by the Standard Metrics MCP Server MCP server (quaestor-technologies/smx-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Standard Metrics 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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19 Standard Metrics MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.