This record as markdown: /tools/arrrnmp-discord-mcp/discord-list-guild-bans.md
What discord_list_guild_bans does on Discord
AI agents call discord_list_guild_bans to retrieve information from Discord without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why discord_list_guild_bans is rated Low
This tool queries and retrieves existing ban information from a Discord guild. It performs no modifications, deletions, or external operations. The action is purely informational, making it a Read category tool. Severity is low because listing bans exposes no sensitive data beyond what guild moderators would already have access to, and the operation has no blast radius for misuse.
From the tool's definition Tool name 'discord_list_guild_bans' and description 'List bans in a guild' indicate a retrieval operation with no side effects.
Attacks that exploit this kind of access
The rule that runs discord_list_guild_bans 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_list_guild_bans, this is the rule to start with:
discord_list_guild_bans is read-only, so it stays allowed. 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_list_guild_bans call is checked against it from then on.
Questions about discord_list_guild_bans
List bans in a guild. It is categorised as a Read tool in the Discord MCP Server, which means it retrieves data without modifying state.
Register the Discord MCP server in PolicyLayer and add a rule for discord_list_guild_bans: 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_list_guild_bans is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the discord_list_guild_bans 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_list_guild_bans. 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_list_guild_bans 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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