discord_update_application_emoji
Rename an application emoji
This record as markdown: /tools/arrrnmp-discord-mcp/discord-update-application-emoji.md
What discord_update_application_emoji does on Discord
AI agents use discord_update_application_emoji to create or update resources in Discord, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Discord environment.
Why discord_update_application_emoji is rated Medium
This tool modifies emoji properties (specifically renaming), which is a reversible change to data. It does not delete, execute arbitrary operations, or affect financial systems. The blast radius is minimal—renaming an emoji affects only that emoji's display name and has no cascading consequences for Discord server integrity, member access, or data loss. Therefore, it fits the Write category with low severity.
From the tool's definition Tool name 'discord_update_application_emoji' and description 'Rename an application emoji' indicate modification of emoji metadata without deletion or permanent loss.
Attacks that exploit this kind of access
The rule that runs discord_update_application_emoji safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Discord, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For discord_update_application_emoji, this is the rule to start with:
discord_update_application_emoji stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Discord, apply this rule, and every discord_update_application_emoji call is checked against it from then on.
Questions about discord_update_application_emoji
Rename an application emoji. It is categorised as a Write tool in the Discord MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Discord MCP server in PolicyLayer and add a rule for discord_update_application_emoji: 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_update_application_emoji is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the discord_update_application_emoji 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_update_application_emoji. 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_update_application_emoji is provided by the Discord MCP server (arrrnmp/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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