Lists all forum channels in a specified Discord server (guild)
AI agents call discord_get_forum_channels to retrieve information from MCP-Discord without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a query-only operation to retrieve information about forum channels in a Discord server. It does not create, modify, delete, or execute any actions. The blast radius of misuse is minimal—an AI agent could at most enumerate forum channels, which is informational only.
From the tool's definition Tool name contains 'get' and description states it 'Lists all forum channels' — a data retrieval operation with no side effects.
Attacks that exploit this kind of access
Lists all forum channels in a specified Discord server (guild). It is categorised as a Read tool in the MCP-Discord MCP Server, which means it retrieves data without modifying state.
Register the MCP-Discord MCP server in PolicyLayer and add a rule for discord_get_forum_channels: 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_get_forum_channels 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_get_forum_channels 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_get_forum_channels. 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_get_forum_channels 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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