discord_update_webhook

Update webhook properties

SERVERDiscord SOURCEarrrnmp/discord-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/arrrnmp-discord-mcp/discord-update-webhook.md

WHAT IT DOES

What discord_update_webhook does on Discord

AI agents use discord_update_webhook 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.

RISK

Why discord_update_webhook is rated Medium

This tool modifies webhook configuration settings in a reversible manner. It does not delete data (Destructive), execute arbitrary code (Execute), move money (Financial), or merely read data (Read). Update operations that change webhook settings classify as Write.

From the tool's definition Tool name contains 'update' and description states 'Update webhook properties', indicating modification of existing data.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs discord_update_webhook safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Discord, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For discord_update_webhook, this is the rule to start with:

discord_update_webhook Rate-limited

discord_update_webhook 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_update_webhook": {
      "limits": [
        {
          "counter": "discord_update_webhook_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Discord, apply this rule, and every discord_update_webhook call is checked against it from then on.

FAQ

Questions about discord_update_webhook

What does the discord_update_webhook tool do? +

Update webhook properties. 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_update_webhook? +

Register the Discord MCP server in PolicyLayer and add a rule for discord_update_webhook: 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_update_webhook? +

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

Can I rate-limit discord_update_webhook? +

Yes. Add a rate_limit block to the discord_update_webhook 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_update_webhook completely? +

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

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

KEEP EXPLORING

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