discord_send · Discord Bridge MCP Server MCP: Risk & Policy

WHAT IT DOES

What discord_send does on Discord Bridge MCP Server

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

WHY IT NEEDS A POLICY

Why discord_send needs a policy

This tool creates new messages in Discord channels, which modifies state reversibly. It is not a read operation (no data retrieval), not destructive (messages can be edited/deleted separately), not financial, and not code execution.

From the tool's definition Tool name is 'discord_send' and description states 'Send a message to a Discord channel' — creates new message data in Discord.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

discord_send Rate-limited

discord_send 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_send": {
      "limits": [
        {
          "counter": "discord_send_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Discord Bridge MCP Server, so you can run agents against it safely.

FAQ

Questions about discord_send

What does the discord_send tool do? +

Send a message to a Discord channel. It is categorised as a Write tool in the Discord Bridge MCP Server 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_send? +

Register the Discord Bridge MCP Server MCP server in PolicyLayer and add a rule for discord_send: 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 Bridge MCP Server. Nothing to install.

What risk level is discord_send? +

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

Can I rate-limit discord_send? +

Yes. Add a rate_limit block to the discord_send 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_send completely? +

Set action: deny in the PolicyLayer policy for discord_send. 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_send? +

discord_send is provided by the Discord Bridge MCP Server MCP server (jhammant/mcp-discord-bridge). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.