discord_remove_user_reaction
Remove a specific user’s reaction emoji (requires perms).
This record as markdown: /tools/bennettschwartz-discord-mcp/discord-remove-user-reaction.md
What discord_remove_user_reaction does on Discord MCP Server
AI agents call discord_remove_user_reaction 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.
Why discord_remove_user_reaction is rated Critical
Removing a user's reaction is a moderative action that deletes user-generated content without an undo mechanism. It is not simply a data read or reversible write; once removed, the reaction is gone. Severity is medium because the blast radius is limited to individual reactions rather than messages or channels.
From the tool's definition 'Remove a specific user's reaction emoji' — this irreversibly removes a reaction that a user posted
Attacks that exploit this kind of access
The rule that runs discord_remove_user_reaction safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Discord MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For discord_remove_user_reaction, this is the rule to start with:
discord_remove_user_reaction 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 MCP Server, apply this rule, and every discord_remove_user_reaction call is checked against it from then on.
Questions about discord_remove_user_reaction
Remove a specific user’s reaction emoji (requires perms). 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 discord_remove_user_reaction: 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.
discord_remove_user_reaction 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_remove_user_reaction 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_remove_user_reaction. 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_remove_user_reaction is provided by the Discord MCP Server MCP server (bennettschwartz/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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