list_kubernetes_clusters

A read tool on the Vultr MCP server.

SERVERVultr MCP SOURCErsp2k/mcp-vultr

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/rsp2k-mcp-vultr/list-kubernetes-clusters.md

WHAT IT DOES

What list_kubernetes_clusters does on Vultr MCP

AI agents call list_kubernetes_clusters to retrieve information from Vultr MCP without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why list_kubernetes_clusters is rated Low

The 'list' prefix is a strong indicator of a Read operation that enumerates Kubernetes clusters. No modification, deletion, or execution of workloads occurs. The blast radius is minimal—the worst case is information disclosure about cluster topology. Confidence is high despite the empty description because the naming convention is unambiguous.

From the tool's definition Tool name 'list_kubernetes_clusters' indicates a query/retrieval operation with the 'list' verb, which retrieves cluster information without modifying state.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs list_kubernetes_clusters safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Vultr MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For list_kubernetes_clusters, this is the rule to start with:

list_kubernetes_clusters Allowed

list_kubernetes_clusters is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "list_kubernetes_clusters": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Vultr MCP, apply this rule, and every list_kubernetes_clusters call is checked against it from then on.

FAQ

Questions about list_kubernetes_clusters

What does the list_kubernetes_clusters tool do? +

list_kubernetes_clusters is a read tool on the Vultr MCP server. It is categorised as a Read tool in the Vultr MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_kubernetes_clusters? +

Register the Vultr MCP server in PolicyLayer and add a rule for list_kubernetes_clusters: 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.

What risk level is list_kubernetes_clusters? +

list_kubernetes_clusters is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit list_kubernetes_clusters? +

Yes. Add a rate_limit block to the list_kubernetes_clusters 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.

How do I block list_kubernetes_clusters completely? +

Set action: deny in the PolicyLayer policy for list_kubernetes_clusters. 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.

What MCP server provides list_kubernetes_clusters? +

list_kubernetes_clusters 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.

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