arvan_list_servers

List cloud servers (VMs) in a region.

SERVERArvanCloud MCP Server SOURCEdwin-gharibi/arvancloud-mcp

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/dwin-gharibi-arvancloud-mcp/arvan-list-servers.md

WHAT IT DOES

What arvan_list_servers does on ArvanCloud MCP Server

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

RISK

Why arvan_list_servers is rated Low

This tool retrieves and queries existing cloud server data without creating, modifying, deleting, or executing operations. It has no side effects and presents minimal risk even if misused by an AI agent, as it only exposes metadata about existing infrastructure. The blast radius is limited to information disclosure of server inventory.

From the tool's definition Tool name is 'arvan_list_servers' and description states 'List cloud servers (VMs) in a region.' The verb 'list' and action of retrieving server information with no side effects indicates a read operation.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs arvan_list_servers safely

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

arvan_list_servers Allowed

arvan_list_servers 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": {
    "arvan_list_servers": {}
  }
}

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

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

FAQ

Questions about arvan_list_servers

What does the arvan_list_servers tool do? +

List cloud servers (VMs) in a region. It is categorised as a Read tool in the ArvanCloud MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on arvan_list_servers? +

Register the ArvanCloud MCP Server MCP server in PolicyLayer and add a rule for arvan_list_servers: 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 ArvanCloud MCP Server. Nothing to install.

What risk level is arvan_list_servers? +

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

Can I rate-limit arvan_list_servers? +

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

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

arvan_list_servers is provided by the ArvanCloud MCP Server MCP server (dwin-gharibi/arvancloud-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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