zabbix_create_proxy

THE RISK

Medium Risk

Why zabbix_create_proxy needs a policy

Creating a proxy in Zabbix is a reversible write operation that adds a new distributed monitoring component to the infrastructure. While it modifies system configuration, it does not delete data or execute arbitrary code.

From the tool's definition Tool name contains 'create' and description states 'Create a new proxy in Zabbix' — this creates a new entity (proxy) in the monitoring system that modifies infrastructure configuration.

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

POLICY

How to control zabbix_create_proxy

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

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "zabbix_create_proxy": {
      "limits": [
        {
          "counter": "zabbix_create_proxy_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

zabbix_create_proxy stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

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

LIMIT THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

More Zabbix MCP Server tools

Destructive zabbix_delete_actions Delete actions from Zabbix Destructive zabbix_delete_correlations Delete event correlations from Zabbix Destructive zabbix_delete_dashboards Delete dashboards from Zabbix Destructive zabbix_delete_discovery_rules Delete Low-Level Discovery (LLD) rules from Zabbix Destructive zabbix_delete_hostgroups Delete host groups from Zabbix Destructive zabbix_delete_icon_maps Delete icon maps from Zabbix Destructive zabbix_delete_items Delete items from Zabbix Destructive zabbix_delete_maintenance Delete maintenance periods from Zabbix

All 102 Zabbix MCP Server tools →

Write tools on other servers

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about zabbix_create_proxy

What does the zabbix_create_proxy tool do? +

Create a new proxy in Zabbix for distributed monitoring. It is categorised as a Write tool in the Zabbix MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on zabbix_create_proxy? +

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

What risk level is zabbix_create_proxy? +

zabbix_create_proxy is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit zabbix_create_proxy? +

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

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

zabbix_create_proxy is provided by the Zabbix MCP Server MCP server (leroylim/zabbix-mcp-server-nodejs). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Zabbix MCP Server tool call.

Start from Zabbix MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →