# discord_update_application_emoji

Rename an application emoji

Agent View of the PolicyLayer registry record for `discord_update_application_emoji`. HTML page: https://policylayer.com/tools/arrrnmp-discord-mcp/discord-update-application-emoji

## Facts

- Tool: `discord_update_application_emoji`
- Server: Discord (`arrrnmp/discord-mcp`) — https://policylayer.com/tools/arrrnmp-discord-mcp.md
- Homepage: https://github.com/arrrnmp/discord-mcp
- Risk category: Write (Medium risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Rate-limited

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "discord_update_application_emoji",
    "arguments": {}
  }
}
```

## 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 own definition: "Tool name 'discord_update_application_emoji' and description 'Rename an application emoji' indicate modification of emoji metadata without deletion or permanent loss."

## Use case

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.

## Recommended policy (PolicyLayer)

Verdict: **Rate-limited**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Discord:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "discord_update_application_emoji": {
      "limits": [
        {
          "counter": "discord_update_application_emoji_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}
```

## Other tools on Discord (125)

- `discord_ban_member` — Destructive — https://policylayer.com/tools/arrrnmp-discord-mcp/discord-ban-member.md
- `discord_begin_guild_prune` — Destructive — https://policylayer.com/tools/arrrnmp-discord-mcp/discord-begin-guild-prune.md
- `discord_bulk_ban_members` — Destructive — https://policylayer.com/tools/arrrnmp-discord-mcp/discord-bulk-ban-members.md
- `discord_clear_emoji_reactions` — Destructive — https://policylayer.com/tools/arrrnmp-discord-mcp/discord-clear-emoji-reactions.md
- `discord_clear_reactions` — Destructive — https://policylayer.com/tools/arrrnmp-discord-mcp/discord-clear-reactions.md
- `discord_delete_application_emoji` — Destructive — https://policylayer.com/tools/arrrnmp-discord-mcp/discord-delete-application-emoji.md
- `discord_delete_automod_rule` — Destructive — https://policylayer.com/tools/arrrnmp-discord-mcp/discord-delete-automod-rule.md
- `discord_delete_channel` — Destructive — https://policylayer.com/tools/arrrnmp-discord-mcp/discord-delete-channel.md
- `discord_delete_channel_permission_overwrite` — Destructive — https://policylayer.com/tools/arrrnmp-discord-mcp/discord-delete-channel-permission-overwrite.md
- `discord_delete_guild_emoji` — Destructive — https://policylayer.com/tools/arrrnmp-discord-mcp/discord-delete-guild-emoji.md
- `discord_delete_guild_soundboard_sound` — Destructive — https://policylayer.com/tools/arrrnmp-discord-mcp/discord-delete-guild-soundboard-sound.md
- `discord_delete_guild_sticker` — Destructive — https://policylayer.com/tools/arrrnmp-discord-mcp/discord-delete-guild-sticker.md
- `discord_delete_guild_template` — Destructive — https://policylayer.com/tools/arrrnmp-discord-mcp/discord-delete-guild-template.md
- `discord_delete_invite` — Destructive — https://policylayer.com/tools/arrrnmp-discord-mcp/discord-delete-invite.md
- `discord_delete_message` — Destructive — https://policylayer.com/tools/arrrnmp-discord-mcp/discord-delete-message.md
- `discord_delete_role` — Destructive — https://policylayer.com/tools/arrrnmp-discord-mcp/discord-delete-role.md
- `discord_delete_scheduled_event` — Destructive — https://policylayer.com/tools/arrrnmp-discord-mcp/discord-delete-scheduled-event.md
- `discord_delete_stage_instance` — Destructive — https://policylayer.com/tools/arrrnmp-discord-mcp/discord-delete-stage-instance.md
- `discord_delete_thread` — Destructive — https://policylayer.com/tools/arrrnmp-discord-mcp/discord-delete-thread.md
- `discord_delete_webhook` — Destructive — https://policylayer.com/tools/arrrnmp-discord-mcp/discord-delete-webhook.md
- `discord_delete_webhook_message_by_token` — Destructive — https://policylayer.com/tools/arrrnmp-discord-mcp/discord-delete-webhook-message-by-token.md
- `discord_kick_member` — Destructive — https://policylayer.com/tools/arrrnmp-discord-mcp/discord-kick-member.md
- `discord_purge_messages` — Destructive — https://policylayer.com/tools/arrrnmp-discord-mcp/discord-purge-messages.md
- `discord_remove_own_reaction` — Destructive — https://policylayer.com/tools/arrrnmp-discord-mcp/discord-remove-own-reaction.md
- `discord_remove_thread_member` — Destructive — https://policylayer.com/tools/arrrnmp-discord-mcp/discord-remove-thread-member.md
- `discord_remove_user_reaction` — Destructive — https://policylayer.com/tools/arrrnmp-discord-mcp/discord-remove-user-reaction.md
- `discord_execute_webhook_by_token` — Execute — https://policylayer.com/tools/arrrnmp-discord-mcp/discord-execute-webhook-by-token.md
- `discord_set_member_voice_state` — Execute — https://policylayer.com/tools/arrrnmp-discord-mcp/discord-set-member-voice-state.md
- `discord_fetch_guild_ban` — Read — https://policylayer.com/tools/arrrnmp-discord-mcp/discord-fetch-guild-ban.md
- `discord_fetch_member` — Read — https://policylayer.com/tools/arrrnmp-discord-mcp/discord-fetch-member.md
- …and 95 more: https://policylayer.com/tools/arrrnmp-discord-mcp.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

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Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=arrrnmp-discord-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/arrrnmp-discord-mcp
