Permanently delete a forum post (thread) and all its messages. IRREVERSIBLE. To merely close it without deleting, use discord_update_forum_post with archived:true. Requires the Manage Threads permission.
AI agents call discord_delete_forum_post 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 irreversibly deletes data (forum posts and associated messages) with no recovery mechanism, fitting the Destructive category definition. While scoped to a specific forum post rather than affecting entire systems, the permanent loss of user-generated content and discussion history represents a high-severity risk if invoked by an AI agent without proper authorization or context.
From the tool's definition Tool description explicitly states 'Permanently delete a forum post (thread) and all its messages. IRREVERSIBLE.' The descriptor 'Permanently' and 'IRREVERSIBLE' combined with 'delete' are unambiguous markers of destructive action.
Attacks that exploit this kind of access
Permanently delete a forum post (thread) and all its messages. IRREVERSIBLE. To merely close it without deleting, use discord_update_forum_post with archived:true. Requires the Manage Threads permission. 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_forum_post: 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_forum_post 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_forum_post 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_forum_post. 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_forum_post 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.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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