docker_ps

List Docker containers on the Ubuntu server.

SERVERMcp Control Plane SOURCEalbertik322-sudo/mcp-control-plane

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/mcp-control-plane/docker-ps.md

WHAT IT DOES

What docker_ps does on Mcp Control Plane

AI agents call docker_ps to retrieve information from Mcp Control Plane without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why docker_ps is rated Low

This tool performs a read-only operation (docker ps equivalent) to enumerate running containers. It has no side effects, does not execute code within containers, and does not modify system state. The blast radius of misuse is limited to information disclosure about running services.

From the tool's definition Tool name 'docker_ps' and description 'List Docker containers' indicate a query operation that retrieves container status without modifying, deleting, or executing anything.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs docker_ps safely

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

docker_ps Allowed

docker_ps is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "docker_ps": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Mcp Control Plane, apply this rule, and every docker_ps call is checked against it from then on.

FAQ

Questions about docker_ps

What does the docker_ps tool do? +

List Docker containers on the Ubuntu server. It is categorised as a Read tool in the Mcp Control Plane MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on docker_ps? +

Register the Mcp Control Plane MCP server in PolicyLayer and add a rule for docker_ps: 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 Mcp Control Plane. Nothing to install.

What risk level is docker_ps? +

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

Can I rate-limit docker_ps? +

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

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

docker_ps is provided by the Mcp Control Plane MCP server (albertik322-sudo/mcp-control-plane). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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