discord_create_forum_post · MCP-Discord MCP: Risk & Policy

WHAT IT DOES

What discord_create_forum_post does on MCP-Discord

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

WHY IT NEEDS A POLICY

Why discord_create_forum_post needs a policy

This tool performs a create operation that modifies Discord server state by adding new content (a forum post). It is reversible since Discord allows deletion and editing of posts. It does not delete data (would be Destructive), execute arbitrary code (would be Execute), involve financial transactions (would be Financial), or retrieve data without side effects (would be Read).

From the tool's definition Tool creates a new post in a Discord forum channel. The description explicitly states 'Creates a new post', which is a reversible write operation. Forum posts can be edited or deleted by authorized users.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

discord_create_forum_post Rate-limited

discord_create_forum_post 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": {
    "discord_create_forum_post": {
      "limits": [
        {
          "counter": "discord_create_forum_post_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 MCP-Discord, so you can run agents against it safely.

FAQ

Questions about discord_create_forum_post

What does the discord_create_forum_post tool do? +

Creates a new post in a Discord forum channel with optional tags. It is categorised as a Write tool in the MCP-Discord MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on discord_create_forum_post? +

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

What risk level is discord_create_forum_post? +

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

Can I rate-limit discord_create_forum_post? +

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

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

discord_create_forum_post is provided by the MCP-Discord MCP server (jar285/mcp-discord). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.