enable_server_maintenance · Morpheus MCP Server MCP

WHAT IT DOES

What enable_server_maintenance does on Morpheus MCP Server

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

WHY IT NEEDS A POLICY

Why enable_server_maintenance needs a policy

Enabling maintenance mode modifies the server's scheduling state, preventing new workloads from being assigned. This is a reversible configuration change (maintenance mode can be disabled), placing it in the Write category. The blast radius is medium since it affects workload scheduling on a server but does not destroy data or move resources irreversibly.

From the tool's definition Enable maintenance mode on a server. No new workloads will be scheduled here.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

enable_server_maintenance Rate-limited

enable_server_maintenance 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": {
    "enable_server_maintenance": {
      "limits": [
        {
          "counter": "enable_server_maintenance_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 Morpheus MCP Server, so you can run agents against it safely.

FAQ

Questions about enable_server_maintenance

What does the enable_server_maintenance tool do? +

Enable maintenance mode on a server. No new workloads will be scheduled here. It is categorised as a Write tool in the Morpheus 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 enable_server_maintenance? +

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

What risk level is enable_server_maintenance? +

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

Can I rate-limit enable_server_maintenance? +

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

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

enable_server_maintenance is provided by the Morpheus MCP Server MCP server (nixndme/morpheus-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.