Delete a permission overwrite for a role or member on a channel.
AI agents call delete_channel_permissions to permanently remove resources in Discord MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
This tool irreversibly removes permission overwrites from a Discord channel, which can affect access control for roles or members. Deleting permission configurations cannot be easily undone without knowing the prior state, making this a destructive operation. Misuse could expose restricted channels or lock out members/roles, with a high blast radius in a server context.
From the tool's definition "Delete a permission overwrite for a role or member on a channel"
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 MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Discord MCP Server MCP server in PolicyLayer and add a rule for delete_channel_permissions: 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 MCP Server. Nothing to install.
delete_channel_permissions 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_permissions 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_permissions. 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_permissions is provided by the Discord MCP Server MCP server (jackglick/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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