get_kubernetes_versions

Get list of available Kubernetes versions.

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/get-kubernetes-versions.md

WHAT IT DOES

What get_kubernetes_versions does on Vultr MCP

AI agents call get_kubernetes_versions 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 get_kubernetes_versions is rated Low

This is a read-only operation that retrieves configuration information from the Vultr API. It has no side effects, cannot modify infrastructure, and presents minimal security risk. Even if misused by an agent, it only exposes informational data about available Kubernetes versions.

From the tool's definition The tool name 'get_kubernetes_versions' and description 'Get list of available Kubernetes versions' indicate a retrieval operation that queries Kubernetes version data without modifying, executing, or deleting anything.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_kubernetes_versions 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 get_kubernetes_versions, this is the rule to start with:

get_kubernetes_versions Allowed

get_kubernetes_versions 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": {
    "get_kubernetes_versions": {}
  }
}

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 get_kubernetes_versions call is checked against it from then on.

FAQ

Questions about get_kubernetes_versions

What does the get_kubernetes_versions tool do? +

Get list of available Kubernetes versions. 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 get_kubernetes_versions? +

Register the Vultr MCP server in PolicyLayer and add a rule for get_kubernetes_versions: 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 get_kubernetes_versions? +

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

Can I rate-limit get_kubernetes_versions? +

Yes. Add a rate_limit block to the get_kubernetes_versions 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 get_kubernetes_versions completely? +

Set action: deny in the PolicyLayer policy for get_kubernetes_versions. 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 get_kubernetes_versions? +

get_kubernetes_versions 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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