AI agents call pihole_get_stats to retrieve information from Homelab without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves DNS statistics from Pi-hole instances without modifying any data or triggering state changes. It is a passive read operation with no side effects. The blast radius of misuse is minimal—an AI agent could only retrieve monitoring/diagnostic information already accessible to authenticated users of the homelab.
From the tool's definition Tool name and description both indicate a retrieval operation: 'get' DNS statistics 'from' Pi-hole instances. No modification, deletion, or execution of external code is implied.
Attacks that exploit this kind of access
Get DNS statistics from all Pi-hole instances. It is categorised as a Read tool in the Homelab MCP Server, which means it retrieves data without modifying state.
Register the Homelab MCP server in PolicyLayer and add a rule for pihole_get_stats: 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 Homelab. Nothing to install.
pihole_get_stats 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 pihole_get_stats 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 pihole_get_stats. 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.
pihole_get_stats is provided by the Homelab MCP server (myraffy/homelab-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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