create_site · Ploi MCP Server MCP: Risk & Policy

WHAT IT DOES

What create_site does on Ploi MCP Server

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

WHY IT NEEDS A POLICY

Why create_site needs a policy

This tool creates new site infrastructure (virtual host, directory, system user) on a server, which is a reversible modification operation. While it has broad blast radius in a hosting context (creates persistent server resources), it does not delete, destroy, or execute arbitrary code—those actions are performed by separate tools (delete_certificate, delete_daemon, etc.).

From the tool's definition Tool name 'create_site' and description 'Create a new site on a server (vhost, directory, system user)' indicates creation of new infrastructure resources.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_site Rate-limited

create_site 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": {
    "create_site": {
      "limits": [
        {
          "counter": "create_site_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Ploi MCP Server, so you can run agents against it safely.

FAQ

Questions about create_site

What does the create_site tool do? +

Create a new site on a server (vhost, directory, system user). Provisions an empty site; install a repository/deploy separately. It is categorised as a Write tool in the Ploi 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 create_site? +

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

What risk level is create_site? +

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

Can I rate-limit create_site? +

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

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

create_site is provided by the Ploi MCP Server MCP server (sudanese/ploi-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.