waroom_create_postmortem · Waroom MCP: Risk & Policy

WHAT IT DOES

What waroom_create_postmortem does on Waroom MCP

AI agents use waroom_create_postmortem 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_create_postmortem needs a policy

Creating a postmortem is a reversible write operation that adds new data to the system. It does not execute arbitrary code, delete data, or move money. However, it has medium severity because creating incident postmortems could be misused to pollute the incident tracking system, create false records, or interfere with incident management workflows—affecting team trust and response coordination.

From the tool's definition Tool name 'waroom_create_postmortem' and Japanese description 'ポストモーテムを作成します' (creates a postmortem) indicate data creation.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

waroom_create_postmortem Rate-limited

waroom_create_postmortem 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_create_postmortem": {
      "limits": [
        {
          "counter": "waroom_create_postmortem_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_create_postmortem

What does the waroom_create_postmortem tool do? +

ポストモーテムを作成します。. 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_create_postmortem? +

Register the Waroom MCP server in PolicyLayer and add a rule for waroom_create_postmortem: 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_create_postmortem? +

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

Can I rate-limit waroom_create_postmortem? +

Yes. Add a rate_limit block to the waroom_create_postmortem 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_create_postmortem completely? +

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

waroom_create_postmortem 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.