roll_initiative · Dice Roller MCP Server MCP: Risk & Policy

WHAT IT DOES

What roll_initiative does on Dice Roller MCP Server

AI agents call roll_initiative as a supporting operation in Dice Roller MCP Server workflows.

WHY IT NEEDS A POLICY

Why roll_initiative needs a policy

Without any rule in front of it, every call an agent makes to roll_initiative happens silently — no trail, no cap, no way to know it misbehaved until something breaks downstream.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

roll_initiative Rate-limited

roll_initiative gets a rate cap, and everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "roll_initiative": {
      "limits": [
        {
          "counter": "roll_initiative_rate",
          "window": "minute",
          "max": 60,
          "scope": "grant"
        }
      ]
    }
  }
}

SET A RULE FOR THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Dice Roller MCP Server, so you can run agents against it safely.

FAQ

Questions about roll_initiative

What does the roll_initiative tool do? +

Roll initiative (1d20 + modifier) for DnD combat. It is categorised as a Other tool in the Dice Roller MCP Server MCP Server, which means it performs auxiliary operations.

How do I enforce a policy on roll_initiative? +

Register the Dice Roller MCP Server MCP server in PolicyLayer and add a rule for roll_initiative: 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 Dice Roller MCP Server. Nothing to install.

What risk level is roll_initiative? +

roll_initiative is a Other tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit roll_initiative? +

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

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

roll_initiative is provided by the Dice Roller MCP Server MCP server (swayam-mishra/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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