Low Risk

ip_control_fetch_users_ips

Fetch IPs for all users on a node (async job)

How to control ip_control_fetch_users_ips ↓

AI agents call ip_control_fetch_users_ips to retrieve information from Remnawave without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Low Risk

This tool retrieves IP address information for users on a node. It performs a read-only query operation that returns data without modifying, deleting, or executing external operations. While IP data is sensitive, the tool itself has no side effects and only queries existing information. The async job nature does not change the classification as the underlying operation remains a data retrieval.

From the tool's definition Tool name contains 'fetch' and description states 'Fetch IPs for all users on a node (async job)' - fetching is a retrieval operation with no modification or deletion.

Risk signalsBulk/mass operation — affects multiple targets

Documented attack patterns abuse exactly the kind of access ip_control_fetch_users_ips gives an agent:

PolicyLayer is an MCP gateway — it sits between your AI agents and Remnawave, and nothing reaches the server without passing your rules. This is the rule we recommend for ip_control_fetch_users_ips:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "ip_control_fetch_users_ips": {}
  }
}

ip_control_fetch_users_ips is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

  1. Create a free account and register Remnawave — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
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Go deeper

What does the ip_control_fetch_users_ips tool do? +

Fetch IPs for all users on a node (async job). It is categorised as a Read tool in the Remnawave MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on ip_control_fetch_users_ips? +

Register the Remnawave MCP server in PolicyLayer and add a rule for ip_control_fetch_users_ips: 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 Remnawave. Nothing to install.

What risk level is ip_control_fetch_users_ips? +

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

Can I rate-limit ip_control_fetch_users_ips? +

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

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

ip_control_fetch_users_ips is provided by the Remnawave MCP server (trackline/mcp-remnawave). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Remnawave tool call.

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153 Remnawave tools catalogued and risk-classified — across an index of 42,500+ MCP servers.

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