update_host

A write tool on the 1Panel MCP server.

SERVER1Panel MCP Server SOURCEeaveluo/1panel-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/eaveluo-1panel-mcp/update-host.md

WHAT IT DOES

What update_host does on 1Panel MCP Server

AI agents use update_host to create or update resources in 1Panel MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your 1Panel MCP Server environment.

RISK

Why update_host is rated Medium

This tool modifies host configuration, which is a reversible Write operation but has potentially wide-reaching effects on system networking and service accessibility. It does not delete data (ruling out Destructive) or move money (ruling out Financial), but could impact multiple services if misconfigured.

From the tool's definition Tool name 'update_host' with description 'Update host' indicates modification of host configuration. In the context of a server infrastructure management tool (1Panel), updating host configuration can affect DNS resolution, network connectivity, and system…

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs update_host safely

PolicyLayer is an MCP gateway: it sits between your AI agents and 1Panel MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For update_host, this is the rule to start with:

update_host Rate-limited

update_host 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.

View as policy code

policy.json

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

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect 1Panel MCP Server, apply this rule, and every update_host call is checked against it from then on.

FAQ

Questions about update_host

What does the update_host tool do? +

update_host is a write tool on the 1Panel MCP Server MCP server. It is categorised as a Write tool in the 1Panel 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 update_host? +

Register the 1Panel MCP Server MCP server in PolicyLayer and add a rule for update_host: 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 1Panel MCP Server. Nothing to install.

What risk level is update_host? +

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

Can I rate-limit update_host? +

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

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

update_host is provided by the 1Panel MCP Server MCP server (eaveluo/1panel-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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