Create a new category (channel group) in the Discord server.
AI agents use create_category 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.
The tool creates a new organizational structure (category) in Discord. This is Write-category material because it creates data reversibly—categories can be deleted, and the action does not execute arbitrary code, delete data irreversibly, move money, or have uncontrollable side effects.
From the tool's definition Tool name 'create_category' and description 'Create a new category (channel group) in the Discord server' indicate data creation. This is a reversible modification that creates a new Discord category/channel group.
Documented attack patterns abuse exactly the kind of access create_category gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Discord, and nothing reaches the server without passing your rules. This is the rule we recommend for create_category:
{
"version": "1",
"default": "deny",
"tools": {
"create_category": {
"limits": [
{
"counter": "create_category_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}create_category 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.
Free to start. No card required.
Create a new category (channel group) in the Discord server. 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.
Register the Discord MCP server in PolicyLayer and add a rule for create_category: 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.
create_category is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the create_category 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 create_category. 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.
create_category is provided by the Discord MCP server (hardheadhackerhead/discord-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Discord, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
139 Discord tools catalogued and risk-classified — across an index of 43,000+ MCP servers.