List countries/regions (global) for geo-IP firewall rules. Returns: code (ISO alpha-2, e.g.
AI agents call unifi_list_countries to retrieve information from UniFi Network MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries a static or reference list of countries/regions for use in configuring firewall rules. It performs a pure retrieval operation with no capability to modify data, execute code, or cause destructive changes. The worst-case misuse would be information disclosure of publicly available country codes, which poses minimal security risk.
From the tool's definition Tool description states it "List countries/regions" and "Returns: code (ISO alpha-2, e.g.". The verb 'List' and the return-only nature of the operation indicate data retrieval with no modification or side effects.
Attacks that exploit this kind of access
List countries/regions (global) for geo-IP firewall rules. Returns: code (ISO alpha-2, e.g. It is categorised as a Read tool in the UniFi Network MCP Server MCP Server, which means it retrieves data without modifying state.
Register the UniFi Network MCP Server MCP server in PolicyLayer and add a rule for unifi_list_countries: 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 UniFi Network MCP Server. Nothing to install.
unifi_list_countries 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 unifi_list_countries 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 unifi_list_countries. 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.
unifi_list_countries is provided by the UniFi Network MCP Server MCP server (owine/unifi-network-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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