AI agents call discord_list_forum_threads to retrieve information from Discord without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries existing forum thread data with no side effects. It does not create, modify, delete, or execute any operations—it purely fetches information. The low severity reflects that misuse would at worst expose forum thread information that is typically already visible to users with channel access.
From the tool's definition Tool name contains 'list', description states 'List posts in a forum channel' and returns thread data without modification. Returns paginated results ({ threads: [...], hasMore, nextBefore }) indicating a read-only query operation.
Attacks that exploit this kind of access
List posts in a forum channel. Returns { threads: [...], hasMore, nextBefore }. The first call (no. 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_forum_threads: 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_forum_threads 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_forum_threads 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_forum_threads. 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_forum_threads is provided by the Discord MCP server (@pasympa/discord-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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