Removes a specific emoji reaction from a Discord message
AI agents call discord_remove_reaction to permanently remove resources in MCP-Discord — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Removing a reaction is an irreversible action in the sense that the original reaction state cannot be automatically restored, though the impact is minimal (low blast radius). The word 'removes' indicates deletion of existing data. While reactions can be re-added, the act of removal itself is a destructive operation. Severity is low because reactions are ephemeral, low-stakes data.
From the tool's definition Removes a specific emoji reaction from a Discord message
Attacks that exploit this kind of access
Removes a specific emoji reaction from a Discord message. It is categorised as a Destructive tool in the MCP-Discord MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the MCP-Discord MCP server in PolicyLayer and add a rule for discord_remove_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 MCP-Discord. Nothing to install.
discord_remove_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_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_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_reaction is provided by the MCP-Discord MCP server (jar285/mcp-discord). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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