run_playbook · ReliaQuest GreyMatter MCP Server MCP

WHAT IT DOES

What run_playbook does on ReliaQuest GreyMatter MCP Server

AI agents invoke run_playbook to trigger actions in ReliaQuest GreyMatter 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 run_playbook needs a policy

This tool triggers execution of a predefined playbook in an incident response platform. While the actual impact depends on what the playbook does, the tool itself is a mechanism to run automated workflows that could perform arbitrary actions (notifications, remediation steps, system changes, etc.) based on the playbook's design.

From the tool's definition Tool name 'run_playbook' and description states 'Execute a predefined playbook (Respond capability)' - the word 'Execute' directly indicates code/action execution.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

run_playbook Rate-limited

run_playbook 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": {
    "run_playbook": {
      "limits": [
        {
          "counter": "run_playbook_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 ReliaQuest GreyMatter MCP Server, so you can run agents against it safely.

FAQ

Questions about run_playbook

What does the run_playbook tool do? +

Execute a predefined playbook (Respond capability) with the given inputs. Variables: input. Example variables: {\. It is categorised as a Execute tool in the ReliaQuest GreyMatter 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 run_playbook? +

Register the ReliaQuest GreyMatter MCP Server MCP server in PolicyLayer and add a rule for run_playbook: 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 ReliaQuest GreyMatter MCP Server. Nothing to install.

What risk level is run_playbook? +

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

Can I rate-limit run_playbook? +

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

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

run_playbook is provided by the ReliaQuest GreyMatter MCP Server MCP server (space-c0wboy/reliaquest-greymatter-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.