hosts_list

List all managed /etc/hosts entries added via Kali-MCP.

SERVERZebbern Kali MCP SOURCEzebbern/zebbern-kali-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/zebbern-zebbern-kali-mcp/hosts-list.md

WHAT IT DOES

What hosts_list does on Zebbern Kali MCP

AI agents call hosts_list to retrieve information from Zebbern Kali 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 hosts_list is rated Low

This tool performs a simple enumeration of DNS/host configuration data. It retrieves information (a read operation) with no side effects, no code execution, no data modification, and no destructive capabilities. The scope is limited to displaying already-configured entries.

From the tool's definition Tool name and description: 'List all managed /etc/hosts entries added via Kali-MCP' — a read-only operation that retrieves and queries existing host entries without modification, deletion, or execution of arbitrary commands.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs hosts_list safely

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

hosts_list Allowed

hosts_list 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": {
    "hosts_list": {}
  }
}

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

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

FAQ

Questions about hosts_list

What does the hosts_list tool do? +

List all managed /etc/hosts entries added via Kali-MCP. It is categorised as a Read tool in the Zebbern Kali MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on hosts_list? +

Register the Zebbern Kali MCP server in PolicyLayer and add a rule for hosts_list: 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 Zebbern Kali MCP. Nothing to install.

What risk level is hosts_list? +

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

Can I rate-limit hosts_list? +

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

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

hosts_list is provided by the Zebbern Kali MCP server (zebbern/zebbern-kali-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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