ambari_services_restartcomponents · Ambari MCP Server MCP

WHAT IT DOES

What ambari_services_restartcomponents does on Ambari MCP Server

AI agents invoke ambari_services_restartcomponents to trigger actions in Ambari MCP 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 ambari_services_restartcomponents needs a policy

Restarting cluster components is an operational action that affects running services and infrastructure. While not destructive (components will come back online), it represents a command execution that causes real-world side effects: service interruption, temporary unavailability, and potential cascading impacts.

From the tool's definition Tool name contains 'restart' and description states it 'Restart[s] specific components' — this triggers external operations on cluster infrastructure whose effects depend on which components are targeted.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

ambari_services_restartcomponents Rate-limited

ambari_services_restartcomponents 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": {
    "ambari_services_restartcomponents": {
      "limits": [
        {
          "counter": "ambari_services_restartcomponents_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 Ambari MCP Server, so you can run agents against it safely.

FAQ

Questions about ambari_services_restartcomponents

What does the ambari_services_restartcomponents tool do? +

Restart specific components that have stale configurations. It is categorised as a Execute tool in the Ambari MCP 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 ambari_services_restartcomponents? +

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

What risk level is ambari_services_restartcomponents? +

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

Can I rate-limit ambari_services_restartcomponents? +

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

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

ambari_services_restartcomponents is provided by the Ambari MCP Server MCP server (nikita15p/ambari-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.