create_dockerimage_application · Coolify MCP Server MCP

WHAT IT DOES

What create_dockerimage_application does on Coolify MCP Server

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

WHY IT NEEDS A POLICY

Why create_dockerimage_application needs a policy

This tool creates new applications in a PaaS environment, which is a reversible write operation (applications can be deleted/updated). It does not delete data (not Destructive), does not move money (not Financial), and does not execute arbitrary code on behalf of the user—it deploys from a pre-existing Docker image (not Execute in the sense of running arbitrary commands).

From the tool's definition Tool creates a new application from a Docker image, which is a persistent creation operation. The server context shows it 'enables control and management of Coolify self-hosted PaaS instances, allowing you to deploy applications' — this is application…

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_dockerimage_application Rate-limited

create_dockerimage_application 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_dockerimage_application": {
      "limits": [
        {
          "counter": "create_dockerimage_application_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 Coolify MCP Server, so you can run agents against it safely.

FAQ

Questions about create_dockerimage_application

What does the create_dockerimage_application tool do? +

Create a new application from a Docker image. It is categorised as a Write tool in the Coolify 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_dockerimage_application? +

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

What risk level is create_dockerimage_application? +

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

Can I rate-limit create_dockerimage_application? +

Yes. Add a rate_limit block to the create_dockerimage_application 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_dockerimage_application completely? +

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

create_dockerimage_application is provided by the Coolify MCP Server MCP server (kof70/coolify-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.