discord_set_channel_permission_overwrite

Create or update a channel permission overwrite

SERVERDiscord SOURCEarrrnmp/discord-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/arrrnmp-discord-mcp/discord-set-channel-permission-overwrite.md

WHAT IT DOES

What discord_set_channel_permission_overwrite does on Discord

AI agents use discord_set_channel_permission_overwrite to create or update resources in Discord, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Discord environment.

RISK

Why discord_set_channel_permission_overwrite is rated Medium

This tool creates or updates permission rules for a Discord channel, which is a reversible write operation. While permission changes affect security posture and can have broad impact (high severity due to potential unauthorized access grant), they are not destructive (can be undone) and not financial.

From the tool's definition Tool modifies Discord channel permissions via 'Create or update a channel permission overwrite', a reversible operation that changes access control settings.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs discord_set_channel_permission_overwrite 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_set_channel_permission_overwrite, this is the rule to start with:

discord_set_channel_permission_overwrite Rate-limited

discord_set_channel_permission_overwrite stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "discord_set_channel_permission_overwrite": {
      "limits": [
        {
          "counter": "discord_set_channel_permission_overwrite_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about discord_set_channel_permission_overwrite

What does the discord_set_channel_permission_overwrite tool do? +

Create or update a channel permission overwrite. It is categorised as a Write tool in the Discord MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on discord_set_channel_permission_overwrite? +

Register the Discord MCP server in PolicyLayer and add a rule for discord_set_channel_permission_overwrite: 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_set_channel_permission_overwrite? +

discord_set_channel_permission_overwrite is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit discord_set_channel_permission_overwrite? +

Yes. Add a rate_limit block to the discord_set_channel_permission_overwrite 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_set_channel_permission_overwrite completely? +

Set action: deny in the PolicyLayer policy for discord_set_channel_permission_overwrite. 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_set_channel_permission_overwrite? +

discord_set_channel_permission_overwrite 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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