List the available vpn countries from the VPN provider
AI agents call list_available_vpn to retrieve information from VPN As A Service MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and displays available VPN country options from the provider without modifying, deleting, or executing any operations. It is a pure read operation with minimal security risk—the information disclosed (available countries) is typically public or low-sensitivity metadata.
From the tool's definition Tool name contains 'list' and description states 'List the available vpn countries', which is a query operation with no side effects.
Attacks that exploit this kind of access
List the available vpn countries from the VPN provider. It is categorised as a Read tool in the VPN As A Service MCP MCP Server, which means it retrieves data without modifying state.
Register the VPN As A Service MCP server in PolicyLayer and add a rule for list_available_vpn: 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 VPN As A Service MCP. Nothing to install.
list_available_vpn 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_available_vpn 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_available_vpn. 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_available_vpn is provided by the VPN As A Service MCP server (nolaan/ai_vpn_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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