waroom_update_service_label · Waroom MCP: Risk & Policy

WHAT IT DOES

What waroom_update_service_label does on Waroom MCP

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

WHY IT NEEDS A POLICY

Why waroom_update_service_label needs a policy

The tool modifies existing service label data. While the change is reversible (can be updated again), it affects service metadata and could impact incident categorization, filtering, or organizational processes. It is not a read-only operation (which would be Read), not destructive (deletion would be Destructive), not executable code (which would be Execute), and not financial. Write is the appropriate category.

From the tool's definition Tool name contains 'update' and description states it updates/modifies service labels (「ラベルを更新します」= 'updates labels'). This is a reversible modification operation.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

waroom_update_service_label Rate-limited

waroom_update_service_label 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": {
    "waroom_update_service_label": {
      "limits": [
        {
          "counter": "waroom_update_service_label_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 Waroom MCP, so you can run agents against it safely.

FAQ

Questions about waroom_update_service_label

What does the waroom_update_service_label tool do? +

特定のサービスのラベルを更新します。. It is categorised as a Write tool in the Waroom MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on waroom_update_service_label? +

Register the Waroom MCP server in PolicyLayer and add a rule for waroom_update_service_label: 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 Waroom MCP. Nothing to install.

What risk level is waroom_update_service_label? +

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

Can I rate-limit waroom_update_service_label? +

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

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

waroom_update_service_label is provided by the Waroom MCP server (topotal/waroom-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.