discord_get_guild_preview

Get public preview information about a guild without being a member

SERVERDiscord SOURCEarrrnmp/discord-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/arrrnmp-discord-mcp/discord-get-guild-preview.md

WHAT IT DOES

What discord_get_guild_preview does on Discord

AI agents call discord_get_guild_preview 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.

RISK

Why discord_get_guild_preview is rated Low

This tool retrieves publicly available guild preview data without modifying, executing, or deleting anything. It is a pure read operation that poses minimal security risk—the information is intended to be public and accessible without membership. Severity is low because the blast radius of misuse (accessing public guild info) is limited.

From the tool's definition Tool name and description indicate retrieval of public information: 'Get public preview information about a guild without being a member'. The action is read-only with no side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs discord_get_guild_preview 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_get_guild_preview, this is the rule to start with:

discord_get_guild_preview Allowed

discord_get_guild_preview is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "discord_get_guild_preview": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Discord, apply this rule, and every discord_get_guild_preview call is checked against it from then on.

FAQ

Questions about discord_get_guild_preview

What does the discord_get_guild_preview tool do? +

Get public preview information about a guild without being a member. It is categorised as a Read tool in the Discord MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on discord_get_guild_preview? +

Register the Discord MCP server in PolicyLayer and add a rule for discord_get_guild_preview: 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.

What risk level is discord_get_guild_preview? +

discord_get_guild_preview is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit discord_get_guild_preview? +

Yes. Add a rate_limit block to the discord_get_guild_preview 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.

How do I block discord_get_guild_preview completely? +

Set action: deny in the PolicyLayer policy for discord_get_guild_preview. 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.

What MCP server provides discord_get_guild_preview? +

discord_get_guild_preview 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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