setup_role_hierarchy · Discord MCP Server MCP: Risk & Policy

WHAT IT DOES

What setup_role_hierarchy does on Discord MCP Server

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

WHY IT NEEDS A POLICY

Why setup_role_hierarchy needs a policy

This tool creates and modifies (reorders) roles, which are server configuration objects. While role creation and hierarchy management are reversible operations (roles can be deleted and reordered again), they represent Write operations that modify server state.

From the tool's definition Tool creates multiple roles with specified colors and permissions and reorders them into a hierarchy. The description explicitly states 'Create multiple roles' and 'reorder them into a hierarchy', indicating reversible modifications to Discord server…

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

setup_role_hierarchy Rate-limited

setup_role_hierarchy 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": {
    "setup_role_hierarchy": {
      "limits": [
        {
          "counter": "setup_role_hierarchy_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 Discord MCP Server, so you can run agents against it safely.

FAQ

Questions about setup_role_hierarchy

What does the setup_role_hierarchy tool do? +

Create multiple roles with specified colors and permissions, then reorder them into a hierarchy. Roles are created in order from highest to lowest position. Note: bots can only position roles below their own highest role. It is categorised as a Write tool in the Discord MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on setup_role_hierarchy? +

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

What risk level is setup_role_hierarchy? +

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

Can I rate-limit setup_role_hierarchy? +

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

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

setup_role_hierarchy is provided by the Discord MCP Server MCP server (jackglick/discord-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.