List VHF (High Frequency) plans.
AI agents call list_vhf_plans to retrieve information from Vultr MCP 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—listing available VHF plans. It has no side effects, does not execute code or commands, does not create, modify, or delete resources, and does not involve financial transactions. It is a straightforward Read operation with minimal risk if misused by an AI agent.
From the tool's definition Tool name 'list_vhf_plans' and description 'List VHF (High Frequency) plans' indicate a retrieval operation that queries available pricing or service plans without modifying, executing, or deleting any resources.
Documented attack patterns abuse exactly the kind of access list_vhf_plans gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Vultr MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for list_vhf_plans:
{
"version": "1",
"default": "deny",
"tools": {
"list_vhf_plans": {}
}
}list_vhf_plans is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
Free to start. No card required.
List VHF (High Frequency) plans. It is categorised as a Read tool in the Vultr MCP MCP Server, which means it retrieves data without modifying state.
Register the Vultr MCP server in PolicyLayer and add a rule for list_vhf_plans: 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 Vultr MCP. Nothing to install.
list_vhf_plans 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_vhf_plans 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_vhf_plans. 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_vhf_plans is provided by the Vultr MCP server (rsp2k/mcp-vultr). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Vultr MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
284 Vultr MCP tools catalogued and risk-classified — across an index of 43,000+ MCP servers.