Delete a permission overwrite for a role or member on a channel
AI agents call delete_channel_permission 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.
This tool permanently removes a permission overwrite on a Discord channel. Deleting permission overwrites is irreversible (the specific configuration is lost and must be manually recreated), and misuse could expose channels to unintended access or lock out legitimate users/roles, making it a high-severity destructive action.
From the tool's definition 'Delete a permission overwrite for a role or member on a channel' — explicitly deletes a permission configuration, which is an irreversible removal of an access control entry
Attacks that exploit this kind of access
Delete a permission overwrite for a role or member on a channel. 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 delete_channel_permission: 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.
delete_channel_permission 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 delete_channel_permission 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 delete_channel_permission. 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.
delete_channel_permission is provided by the Discord MCP server (scarecr0w12/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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