docker_manage · MCP Workspace Server MCP: Risk & Policy

WHAT IT DOES

What docker_manage does on MCP Workspace Server

AI agents invoke docker_manage to trigger actions in MCP Workspace Server. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why docker_manage needs a policy

Docker management encompasses executing containers (running arbitrary code/processes), controlling networks, and managing volumes. This can have significant blast radius as it can start new processes, expose network services, or manipulate data volumes.

From the tool's definition 'Manage Docker containers, images, networks, and volumes' — managing Docker resources involves starting/stopping containers, pulling/running images, and configuring networks

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

docker_manage Rate-limited

docker_manage stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "docker_manage": {
      "limits": [
        {
          "counter": "docker_manage_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about docker_manage

What does the docker_manage tool do? +

Manage Docker containers, images, networks, and volumes. It is categorised as a Execute tool in the MCP Workspace Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on docker_manage? +

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

What risk level is docker_manage? +

docker_manage is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit docker_manage? +

Yes. Add a rate_limit block to the docker_manage 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_manage completely? +

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

docker_manage is provided by the MCP Workspace Server MCP server (shayyeffet/ultimate_mcp_server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.