discord_follow_announcement_channel

WHAT IT DOES

What discord_follow_announcement_channel does on Discord

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

WHY IT NEEDS A POLICY

Why discord_follow_announcement_channel needs a policy

This tool performs a reversible write operation by establishing a subscription relationship between channels. It modifies channel state (adds a follow-subscription) but does not execute arbitrary code, delete data, move money, or cause irreversible changes.

From the tool's definition Tool description states "Subscribe a target channel to an announcement (news) channel" which is a write operation that modifies channel subscriptions/configuration. The 'discord_follow_announcement_channel' name indicates channel configuration modification.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

discord_follow_announcement_channel Rate-limited

discord_follow_announcement_channel 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_follow_announcement_channel": {
      "limits": [
        {
          "counter": "discord_follow_announcement_channel_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, so you can run agents against it safely.

FAQ

Questions about discord_follow_announcement_channel

What does the discord_follow_announcement_channel tool do? +

Subscribe a target channel to an announcement (news) channel, so the source. It is categorised as a Write tool in the 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_follow_announcement_channel? +

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

What risk level is discord_follow_announcement_channel? +

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

Can I rate-limit discord_follow_announcement_channel? +

Yes. Add a rate_limit block to the discord_follow_announcement_channel 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_follow_announcement_channel completely? +

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

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