This record as markdown: /tools/arrrnmp-discord-mcp/discord-list-channel-webhooks.md
What discord_list_channel_webhooks does on Discord
AI agents call discord_list_channel_webhooks 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_channel_webhooks is rated Low
This tool queries and returns webhook data from a Discord channel without creating, modifying, or deleting any resources. It is a read-only operation with minimal security impact, though webhook listings could reveal integration points. Classified as Read with low severity since the information returned is typically accessible to users with basic channel permissions.
From the tool's definition Tool name contains 'list' and description states 'List webhooks in a channel' — a pure retrieval operation with no modification or side effects.
Attacks that exploit this kind of access
The rule that runs discord_list_channel_webhooks 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_channel_webhooks, this is the rule to start with:
discord_list_channel_webhooks 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_channel_webhooks call is checked against it from then on.
Questions about discord_list_channel_webhooks
List webhooks in a channel. 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_channel_webhooks: 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_channel_webhooks 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_channel_webhooks 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_channel_webhooks. 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_channel_webhooks 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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