AI agents call find_family to retrieve information from SeldomMaster without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
In cybersecurity threat intelligence systems, 'find_family' most likely retrieves information about malware or threat actor families from integrated threat intelligence APIs. This is fundamentally a read operation—querying a database or API for information—with no side effects, data modification, code execution, or destructive capabilities.
From the tool's definition Tool name 'find_family' paired with sibling tools like 'find_actor', 'get_actor', 'get_cve', 'geo_for_ip', and 'analysis_for_file' in a threat intelligence context indicates data retrieval and querying operations.
Documented attack patterns abuse exactly the kind of access find_family gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and SeldomMaster, and nothing reaches the server without passing your rules. This is the rule we recommend for find_family:
{
"version": "1",
"default": "deny",
"tools": {
"find_family": {}
}
}find_family is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Name: find_family. It is categorised as a Read tool in the SeldomMaster MCP Server, which means it retrieves data without modifying state.
Register the SeldomMaster MCP server in PolicyLayer and add a rule for find_family: 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 SeldomMaster. Nothing to install.
find_family 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 find_family 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 find_family. 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.
find_family is provided by the SeldomMaster MCP server (paralax/seldommonster). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from SeldomMaster, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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52 SeldomMaster tools catalogued and risk-classified — across an index of 43,000+ MCP servers.