create_grouping

Create a grouping in a course with Moodle's form; give it its groups with set_grouping_groups. Returns its id. Confirm with the person first.

SERVERMoodle SOURCE@falkenslab/moodle-mcp

Medium RISK CLASS

Category Write

Parameters 42 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/falkenslab-moodle-mcp/create-grouping.md

WHAT IT DOES

What create_grouping does on Moodle

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

Parameter	Type	Required	Description
`name`	string	Yes
`courseId`	integer	Yes
`idNumber`	string	—
`description`	string	—	HTML

Parameters from the server's own tool schema.

RISK

Why create_grouping is rated Medium

An AI agent can call create_grouping faster than any human can review: one bad instruction and it creates or modifies resources in Moodle by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_grouping safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Moodle, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For create_grouping, this is the rule to start with:

create_grouping Rate-limited

create_grouping 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": {
    "create_grouping": {
      "limits": [
        {
          "counter": "create_grouping_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 Moodle, apply this rule, and every create_grouping call is checked against it from then on.

FAQ

Questions about create_grouping

What does the create_grouping tool do? +

Create a grouping in a course with Moodle's form; give it its groups with set_grouping_groups. Returns its id. Confirm with the person first. It is categorised as a Write tool in the Moodle MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does create_grouping accept? +

create_grouping accepts 4 parameters: name, courseId, idNumber, description. Required: name, courseId. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on create_grouping? +

Register the Moodle MCP server in PolicyLayer and add a rule for create_grouping: 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 Moodle. Nothing to install.

What risk level is create_grouping? +

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

Can I rate-limit create_grouping? +

Yes. Add a rate_limit block to the create_grouping 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 create_grouping completely? +

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

create_grouping is provided by the Moodle MCP server (@falkenslab/moodle-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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