list_operating_systems

List all available operating systems.

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-operating-systems.md

WHAT IT DOES

What list_operating_systems does on Vultr MCP

AI agents call list_operating_systems 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_operating_systems is rated Low

This tool performs a read-only operation that queries and returns a list of available operating systems. There are no side effects, no data modification, no code execution, and no resource consumption beyond standard API calls. It is purely informational retrieval.

From the tool's definition Tool name is 'list_operating_systems' and description states 'List all available operating systems.' The verb 'list' indicates a query operation that retrieves information without modification or side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

list_operating_systems Allowed

list_operating_systems 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_operating_systems": {}
  }
}

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_operating_systems call is checked against it from then on.

FAQ

Questions about list_operating_systems

What does the list_operating_systems tool do? +

List all available operating systems. 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_operating_systems? +

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

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

Can I rate-limit list_operating_systems? +

Yes. Add a rate_limit block to the list_operating_systems 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_operating_systems completely? +

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

list_operating_systems 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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