discord_delete_webhook
Delete a webhook (requires confirm=true)
This record as markdown: /tools/arrrnmp-discord-mcp/discord-delete-webhook.md
What discord_delete_webhook does on Discord
AI agents call discord_delete_webhook to permanently remove resources in Discord, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Why discord_delete_webhook is rated Critical
Deleting a webhook is an irreversible action that permanently removes an integration point from the Discord server. Once deleted, the webhook cannot be recovered and any automations or third-party services relying on it will cease to function. This is a destructive operation with potentially significant impact on server automation and integrations, warranting a 'high' severity rating.
From the tool's definition Tool name is 'discord_delete_webhook' and description states 'Delete a webhook'. The verb 'Delete' indicates irreversible removal of data. The requirement for 'confirm=true' is a safeguard but does not change the destructive nature of the operation.
Attacks that exploit this kind of access
The rule that runs discord_delete_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_delete_webhook, this is the rule to start with:
discord_delete_webhook is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect Discord, apply this rule, and every discord_delete_webhook call is checked against it from then on.
Questions about discord_delete_webhook
Delete a webhook (requires confirm=true). It is categorised as a Destructive tool in the Discord MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Discord MCP server in PolicyLayer and add a rule for discord_delete_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.
discord_delete_webhook is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the discord_delete_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.
Set action: deny in the PolicyLayer policy for discord_delete_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.
discord_delete_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.
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